# Open Hornet 16-Channel 28V Magnetic Hold Driver ## Description Open Hornet 16-channel 28 V magnetic-hold coil driver for Honeywell ET switches. Arduino Mega/Pro Micro logic inputs drive low-side 100 V MOSFET channels for ET switch magnet coils with common ground, fail-safe pulldowns, 100 V flyback protection, dedicated 28 V coil input, and conservative high-current 4-layer PCB routing. ## Project Details - **Owner:** sddvox - **Created:** 5/4/2026 - **Last Updated:** 6/7/2026 - **Visibility:** Public - **Operating Voltage:** 28V - **Power Requirements:** External 28 V DC coil supply; Arduino logic input reference with common ground; USB-C environmental sensor blocks are legacy and should be removed or isolated if not used. - **Domain:** Flight simulator / Open Hornet cockpit interface - **Implementation Details:** 16 low-side MOSFET channels drive Honeywell ET magnetic-hold coils. Conservative design target: 1 A/channel, 8-10 A total input path, 60-100 V switching parts, 4-layer PCB, 2 oz outer copper preferred. ## Key Components ### D10 — [MURS110T3G](https://www.flux.ai/lcsc/murs110t3g~tsrz.md) - Product Info Url: https://lcsc.com/product-detail/Diodes-Rectifiers-Hyperfast_ON-Semicon-ON-MURS110T3G_C236162.html - Package or Case Code: SMB_L4.6-W3.6-LS5.3-RD - Role: Flyback Diode - LCSC Part Number: C236162 - Part Type: Diodes - Fast Recovery Rectifiers - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010400_onsemi-MURS110T3G_C236162.pdf - JLCPCB Part Class: Extended Part - Manufacturer Part Number: MURS110T3G - Role Details: 100 V / 1 A ultrafast flyback diode; cathode to VCOIL_28V, anode to MOSFET drain / coil switched node. - Manufacturer Name: onsemi(安森美) **Pins:** - A [pin 2] - C [pin 1] ### D11 — [MURS110T3G](https://www.flux.ai/lcsc/murs110t3g~tsrz.md) - LCSC Part Number: C236162 - Package or Case Code: SMB_L4.6-W3.6-LS5.3-RD - Product Info Url: https://lcsc.com/product-detail/Diodes-Rectifiers-Hyperfast_ON-Semicon-ON-MURS110T3G_C236162.html - Role: Flyback Diode - JLCPCB Part Class: Extended Part - Manufacturer Part Number: MURS110T3G - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010400_onsemi-MURS110T3G_C236162.pdf - Role Details: 100 V / 1 A ultrafast flyback diode; cathode to VCOIL_28V, anode to MOSFET drain / coil switched node. - Part Type: Diodes - Fast Recovery Rectifiers - Manufacturer Name: onsemi(安森美) **Pins:** - A [pin 2] - C [pin 1] ### D12 — [MURS110T3G](https://www.flux.ai/lcsc/murs110t3g~tsrz.md) - Package or Case Code: SMB_L4.6-W3.6-LS5.3-RD - LCSC Part Number: C236162 - Product Info Url: https://lcsc.com/product-detail/Diodes-Rectifiers-Hyperfast_ON-Semicon-ON-MURS110T3G_C236162.html - Manufacturer Part Number: MURS110T3G - JLCPCB Part Class: Extended Part - Part Type: Diodes - Fast Recovery Rectifiers - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010400_onsemi-MURS110T3G_C236162.pdf - Role: Flyback Diode - Role Details: 100 V / 1 A ultrafast flyback diode; cathode to VCOIL_28V, anode to MOSFET drain / coil switched node. - Manufacturer Name: onsemi(安森美) **Pins:** - A [pin 2] - C [pin 1] ### D13 — [MURS110T3G](https://www.flux.ai/lcsc/murs110t3g~tsrz.md) - Part Type: Diodes - Fast Recovery Rectifiers - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010400_onsemi-MURS110T3G_C236162.pdf - Manufacturer Part Number: MURS110T3G - JLCPCB Part Class: Extended Part - Role: Flyback Diode - Product Info Url: https://lcsc.com/product-detail/Diodes-Rectifiers-Hyperfast_ON-Semicon-ON-MURS110T3G_C236162.html - Package or Case Code: SMB_L4.6-W3.6-LS5.3-RD - LCSC Part Number: C236162 - Manufacturer Name: onsemi(安森美) - Role Details: 100 V / 1 A ultrafast flyback diode; cathode to VCOIL_28V, anode to MOSFET drain / coil switched node. **Pins:** - A [pin 2] - C [pin 1] ### D14 — [MURS110T3G](https://www.flux.ai/lcsc/murs110t3g~tsrz.md) - Product Info Url: https://lcsc.com/product-detail/Diodes-Rectifiers-Hyperfast_ON-Semicon-ON-MURS110T3G_C236162.html - Package or Case Code: SMB_L4.6-W3.6-LS5.3-RD - LCSC Part Number: C236162 - Part Type: Diodes - Fast Recovery Rectifiers - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010400_onsemi-MURS110T3G_C236162.pdf - Manufacturer Part Number: MURS110T3G - JLCPCB Part Class: Extended Part - Role: Flyback Diode - Role Details: 100 V / 1 A ultrafast flyback diode; cathode to VCOIL_28V, anode to MOSFET drain / coil switched node. - Manufacturer Name: onsemi(安森美) **Pins:** - A [pin 2] - C [pin 1] ### D15 — [MURS110T3G](https://www.flux.ai/lcsc/murs110t3g~tsrz.md) - Manufacturer Name: onsemi(安森美) - Role: Flyback Diode - Role Details: 100 V / 1 A ultrafast flyback diode; cathode to VCOIL_28V, anode to MOSFET drain / coil switched node. - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010400_onsemi-MURS110T3G_C236162.pdf - Part Type: Diodes - Fast Recovery Rectifiers - Manufacturer Part Number: MURS110T3G - JLCPCB Part Class: Extended Part - Product Info Url: https://lcsc.com/product-detail/Diodes-Rectifiers-Hyperfast_ON-Semicon-ON-MURS110T3G_C236162.html - LCSC Part Number: C236162 - Package or Case Code: SMB_L4.6-W3.6-LS5.3-RD **Pins:** - A [pin 2] - C [pin 1] ### D16 — [MURS110T3G](https://www.flux.ai/lcsc/murs110t3g~tsrz.md) - Manufacturer Name: onsemi(安森美) - LCSC Part Number: C236162 - Package or Case Code: SMB_L4.6-W3.6-LS5.3-RD - Product Info Url: https://lcsc.com/product-detail/Diodes-Rectifiers-Hyperfast_ON-Semicon-ON-MURS110T3G_C236162.html - Role Details: 100 V / 1 A ultrafast flyback diode; cathode to VCOIL_28V, anode to MOSFET drain / coil switched node. - Role: Flyback Diode - Manufacturer Part Number: MURS110T3G - JLCPCB Part Class: Extended Part - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010400_onsemi-MURS110T3G_C236162.pdf - Part Type: Diodes - Fast Recovery Rectifiers **Pins:** - A [pin 2] - C [pin 1] ### D17 — [MURS110T3G](https://www.flux.ai/lcsc/murs110t3g~tsrz.md) - Role: Flyback Diode - Manufacturer Name: onsemi(安森美) - Role Details: 100 V / 1 A ultrafast flyback diode; cathode to VCOIL_28V, anode to MOSFET drain / coil switched node. - LCSC Part Number: C236162 - Package or Case Code: SMB_L4.6-W3.6-LS5.3-RD - Product Info Url: https://lcsc.com/product-detail/Diodes-Rectifiers-Hyperfast_ON-Semicon-ON-MURS110T3G_C236162.html - JLCPCB Part Class: Extended Part - Manufacturer Part Number: MURS110T3G - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010400_onsemi-MURS110T3G_C236162.pdf - Part Type: Diodes - Fast Recovery Rectifiers **Pins:** - A [pin 2] - C [pin 1] ### D18 — [MURS110T3G](https://www.flux.ai/lcsc/murs110t3g~tsrz.md) - Role Details: 100 V / 1 A ultrafast flyback diode; cathode to VCOIL_28V, anode to MOSFET drain / coil switched node. - Manufacturer Name: onsemi(安森美) - Product Info Url: https://lcsc.com/product-detail/Diodes-Rectifiers-Hyperfast_ON-Semicon-ON-MURS110T3G_C236162.html - LCSC Part Number: C236162 - Package or Case Code: SMB_L4.6-W3.6-LS5.3-RD - Role: Flyback Diode - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010400_onsemi-MURS110T3G_C236162.pdf - Part Type: Diodes - Fast Recovery Rectifiers - JLCPCB Part Class: Extended Part - Manufacturer Part Number: MURS110T3G **Pins:** - A [pin 2] - C [pin 1] ### D19 — [SMCJ33A-13-F](https://www.flux.ai/lcsc/smcj33a-13-f~8tjg.md) - Manufacturer Part Number: SMCJ33A-13-F - Part Type: TVS - LCSC Part Number: C135162 - Role: Clamping - Manufacturer Name: DIODES(美台) - JLCPCB Part Class: Extended Part - Product Info Url: https://lcsc.com/product-detail/TVS_Diodes-Incorporated-SMCJ33A-13-F_C135162.html - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_Diodes-Incorporated-SMCJ33A-13-F_C135162.pdf - Package or Case Code: SMC_L6.9-W5.9-LS7.9-R-RD - Role Details: SMCJ33A 1500 W unidirectional TVS for VCOIL_28V transient suppression; cathode to VCOIL_28V, anode to GND. **Pins:** - 1 [pin 1] - 2 [pin 2] ### D3 — [MURS110T3G](https://www.flux.ai/lcsc/murs110t3g~tsrz.md) - Product Info Url: https://lcsc.com/product-detail/Diodes-Rectifiers-Hyperfast_ON-Semicon-ON-MURS110T3G_C236162.html - LCSC Part Number: C236162 - Package or Case Code: SMB_L4.6-W3.6-LS5.3-RD - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010400_onsemi-MURS110T3G_C236162.pdf - Role: Flyback Diode - Part Type: Diodes - Fast Recovery Rectifiers - Role Details: 100 V / 1 A ultrafast flyback diode; cathode to VCOIL_28V, anode to MOSFET drain / coil switched node. - JLCPCB Part Class: Extended Part - Manufacturer Part Number: MURS110T3G - Manufacturer Name: onsemi(安森美) **Pins:** - A [pin 2] - C [pin 1] ### D4 — [MURS110T3G](https://www.flux.ai/lcsc/murs110t3g~tsrz.md) - Manufacturer Name: onsemi(安森美) - Role: Flyback Diode - Role Details: 100 V / 1 A ultrafast flyback diode; cathode to VCOIL_28V, anode to MOSFET drain / coil switched node. - JLCPCB Part Class: Extended Part - Manufacturer Part Number: MURS110T3G - Part Type: Diodes - Fast Recovery Rectifiers - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010400_onsemi-MURS110T3G_C236162.pdf - Package or Case Code: SMB_L4.6-W3.6-LS5.3-RD - LCSC Part Number: C236162 - Product Info Url: https://lcsc.com/product-detail/Diodes-Rectifiers-Hyperfast_ON-Semicon-ON-MURS110T3G_C236162.html **Pins:** - A [pin 2] - C [pin 1] ### D5 — [MURS110T3G](https://www.flux.ai/lcsc/murs110t3g~tsrz.md) - Package or Case Code: SMB_L4.6-W3.6-LS5.3-RD - LCSC Part Number: C236162 - Product Info Url: https://lcsc.com/product-detail/Diodes-Rectifiers-Hyperfast_ON-Semicon-ON-MURS110T3G_C236162.html - Role Details: 100 V / 1 A ultrafast flyback diode; cathode to VCOIL_28V, anode to MOSFET drain / coil switched node. - JLCPCB Part Class: Extended Part - Manufacturer Part Number: MURS110T3G - Part Type: Diodes - Fast Recovery Rectifiers - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010400_onsemi-MURS110T3G_C236162.pdf - Role: Flyback Diode - Manufacturer Name: onsemi(安森美) **Pins:** - A [pin 2] - C [pin 1] ### D6 — [MURS110T3G](https://www.flux.ai/lcsc/murs110t3g~tsrz.md) - Role: Flyback Diode - JLCPCB Part Class: Extended Part - Manufacturer Part Number: MURS110T3G - Part Type: Diodes - Fast Recovery Rectifiers - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010400_onsemi-MURS110T3G_C236162.pdf - Package or Case Code: SMB_L4.6-W3.6-LS5.3-RD - LCSC Part Number: C236162 - Product Info Url: https://lcsc.com/product-detail/Diodes-Rectifiers-Hyperfast_ON-Semicon-ON-MURS110T3G_C236162.html - Role Details: 100 V / 1 A ultrafast flyback diode; cathode to VCOIL_28V, anode to MOSFET drain / coil switched node. - Manufacturer Name: onsemi(安森美) **Pins:** - A [pin 2] - C [pin 1] ### D7 — [MURS110T3G](https://www.flux.ai/lcsc/murs110t3g~tsrz.md) - Manufacturer Name: onsemi(安森美) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010400_onsemi-MURS110T3G_C236162.pdf - Part Type: Diodes - Fast Recovery Rectifiers - Role Details: 100 V / 1 A ultrafast flyback diode; cathode to VCOIL_28V, anode to MOSFET drain / coil switched node. - Manufacturer Part Number: MURS110T3G - JLCPCB Part Class: Extended Part - Role: Flyback Diode - Product Info Url: https://lcsc.com/product-detail/Diodes-Rectifiers-Hyperfast_ON-Semicon-ON-MURS110T3G_C236162.html - LCSC Part Number: C236162 - Package or Case Code: SMB_L4.6-W3.6-LS5.3-RD **Pins:** - A [pin 2] - C [pin 1] ### D8 — [MURS110T3G](https://www.flux.ai/lcsc/murs110t3g~tsrz.md) - Product Info Url: https://lcsc.com/product-detail/Diodes-Rectifiers-Hyperfast_ON-Semicon-ON-MURS110T3G_C236162.html - LCSC Part Number: C236162 - Role Details: 100 V / 1 A ultrafast flyback diode; cathode to VCOIL_28V, anode to MOSFET drain / coil switched node. - Package or Case Code: SMB_L4.6-W3.6-LS5.3-RD - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010400_onsemi-MURS110T3G_C236162.pdf - Part Type: Diodes - Fast Recovery Rectifiers - JLCPCB Part Class: Extended Part - Manufacturer Part Number: MURS110T3G - Manufacturer Name: onsemi(安森美) - Role: Flyback Diode **Pins:** - A [pin 2] - C [pin 1] ### D9 — [MURS110T3G](https://www.flux.ai/lcsc/murs110t3g~tsrz.md) - LCSC Part Number: C236162 - Package or Case Code: SMB_L4.6-W3.6-LS5.3-RD - Role Details: 100 V / 1 A ultrafast flyback diode; cathode to VCOIL_28V, anode to MOSFET drain / coil switched node. - Product Info Url: https://lcsc.com/product-detail/Diodes-Rectifiers-Hyperfast_ON-Semicon-ON-MURS110T3G_C236162.html - JLCPCB Part Class: Extended Part - Role: Flyback Diode - Manufacturer Part Number: MURS110T3G - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010400_onsemi-MURS110T3G_C236162.pdf - Part Type: Diodes - Fast Recovery Rectifiers - Manufacturer Name: onsemi(安森美) **Pins:** - A [pin 2] - C [pin 1] ### J10 — [0039293026](https://www.flux.ai/adrian95/0039293026~vcd.md) - Part Type: Connector - Datasheet URL: https://www.molex.com/en-us/products/part-detail/39293026?display=pdf - Role: Coil/Load Connector - Manufacturer Name: Molex - Package or Case Code: 39-29-3026 - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: 0039293026 - Role Details: Channels 1-16: pin 1 to +12V coil supply, pin 2 to MOSFET-switched low side drain node. **Pins:** - 1 [pin 1] - 2 [pin 2] ### J11 — [0039293026](https://www.flux.ai/adrian95/0039293026~vcd.md) - License: https://creativecommons.org/licenses/by/4.0/ - Role: Coil/Load Connector - Manufacturer Part Number: 0039293026 - Role Details: Channels 1-16: pin 1 to +12V coil supply, pin 2 to MOSFET-switched low side drain node. - Part Type: Connector - Datasheet URL: https://www.molex.com/en-us/products/part-detail/39293026?display=pdf - Package or Case Code: 39-29-3026 - Manufacturer Name: Molex **Pins:** - 1 [pin 1] - 2 [pin 2] ### J12 — [0039293026](https://www.flux.ai/adrian95/0039293026~vcd.md) - License: https://creativecommons.org/licenses/by/4.0/ - Role: Coil/Load Connector - Manufacturer Part Number: 0039293026 - Role Details: Channels 1-16: pin 1 to +12V coil supply, pin 2 to MOSFET-switched low side drain node. - Part Type: Connector - Datasheet URL: https://www.molex.com/en-us/products/part-detail/39293026?display=pdf - Package or Case Code: 39-29-3026 - Manufacturer Name: Molex **Pins:** - 1 [pin 1] - 2 [pin 2] ### J13 — [0039293026](https://www.flux.ai/adrian95/0039293026~vcd.md) - Role: Coil/Load Connector - Manufacturer Name: Molex - Package or Case Code: 39-29-3026 - Datasheet URL: https://www.molex.com/en-us/products/part-detail/39293026?display=pdf - Part Type: Connector - Manufacturer Part Number: 0039293026 - Role Details: Channels 1-16: pin 1 to +12V coil supply, pin 2 to MOSFET-switched low side drain node. - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 1 [pin 1] - 2 [pin 2] ### J14 — [0039293026](https://www.flux.ai/adrian95/0039293026~vcd.md) - Datasheet URL: https://www.molex.com/en-us/products/part-detail/39293026?display=pdf - Part Type: Connector - Manufacturer Name: Molex - Package or Case Code: 39-29-3026 - Role: Coil/Load Connector - Role Details: Channels 1-16: pin 1 to +12V coil supply, pin 2 to MOSFET-switched low side drain node. - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: 0039293026 **Pins:** - 1 [pin 1] - 2 [pin 2] ### J15 — [0039293026](https://www.flux.ai/adrian95/0039293026~vcd.md) - Role Details: Channels 1-16: pin 1 to +12V coil supply, pin 2 to MOSFET-switched low side drain node. - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: 0039293026 - Datasheet URL: https://www.molex.com/en-us/products/part-detail/39293026?display=pdf - Role: Coil/Load Connector - Part Type: Connector - Package or Case Code: 39-29-3026 - Manufacturer Name: Molex **Pins:** - 1 [pin 1] - 2 [pin 2] ### J16 — [0039293026](https://www.flux.ai/adrian95/0039293026~vcd.md) - Manufacturer Part Number: 0039293026 - Role: Coil/Load Connector - Role Details: Channels 1-16: pin 1 to +12V coil supply, pin 2 to MOSFET-switched low side drain node. - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Molex - Package or Case Code: 39-29-3026 - Datasheet URL: https://www.molex.com/en-us/products/part-detail/39293026?display=pdf - Part Type: Connector **Pins:** - 1 [pin 1] - 2 [pin 2] ### J17 — [0039293026](https://www.flux.ai/adrian95/0039293026~vcd.md) - License: https://creativecommons.org/licenses/by/4.0/ - Role: Coil/Load Connector - Manufacturer Part Number: 0039293026 - Datasheet URL: https://www.molex.com/en-us/products/part-detail/39293026?display=pdf - Role Details: Channels 1-16: pin 1 to +12V coil supply, pin 2 to MOSFET-switched low side drain node. - Part Type: Connector - Manufacturer Name: Molex - Package or Case Code: 39-29-3026 **Pins:** - 1 [pin 1] - 2 [pin 2] ### J18 — [0039293026](https://www.flux.ai/adrian95/0039293026~vcd.md) - Manufacturer Name: Molex - Package or Case Code: 39-29-3026 - Part Type: Connector - Datasheet URL: https://www.molex.com/en-us/products/part-detail/39293026?display=pdf - Manufacturer Part Number: 0039293026 - Role Details: Channels 1-16: pin 1 to +12V coil supply, pin 2 to MOSFET-switched low side drain node. - License: https://creativecommons.org/licenses/by/4.0/ - Role: Coil/Load Connector **Pins:** - 1 [pin 1] - 2 [pin 2] ### J19 — [691137710002](https://www.flux.ai/adrian95/691137710002~c39.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Würth Elektronik - Role: Power Input - Role Details: External VCOIL_28V/GND input; Wurth 5.00 mm screw terminal rated 16 A/300 VAC class, suitable margin for 8-10 A 28 V coil rail. - Manufacturer Part Number: 691137710002 - Datasheet URL: https://www.we-online.com/katalog/datasheet/691137710002.pdf - Part Type: Connector **Pins:** - 1 [pin 1] - 2 [pin 2] ### J2 — [Pin Header 01x17 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x17-254mm-vertical~fh0.md) - Role Details: Bottom-edge 17-pin vertical header. Pin 1=GND; pins 2-17=IN1-IN16; silkscreen labels GND, IN1-IN16, TO ARDUINO MEGA. Orient so harness exits downward with 15mm clearance below. - License: https://creativecommons.org/licenses/by/4.0/ - Connector Pitch: 2.54mm - Role: Arduino Logic Header - Mount: Through Hole - Connector Positions: 17 - Connector Rows: 1 - Part Type: Connector **Pins:** - Pin_1 [pin 1] - Pin_10 [pin 10] - Pin_11 [pin 11] - Pin_12 [pin 12] - Pin_13 [pin 13] - Pin_14 [pin 14] - Pin_15 [pin 15] - Pin_16 [pin 16] - Pin_17 [pin 17] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] - Pin_5 [pin 5] - Pin_6 [pin 6] - Pin_7 [pin 7] - Pin_8 [pin 8] - Pin_9 [pin 9] ### J3 — [0039293026](https://www.flux.ai/adrian95/0039293026~vcd.md) - Part Type: Connector - Role Details: Channels 1-16: pin 1 to +12V coil supply, pin 2 to MOSFET-switched low side drain node. - Datasheet URL: https://www.molex.com/en-us/products/part-detail/39293026?display=pdf - Manufacturer Name: Molex - Package or Case Code: 39-29-3026 - Role: Coil/Load Connector - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: 0039293026 **Pins:** - 1 [pin 1] - 2 [pin 2] ### J4 — [0039293026](https://www.flux.ai/adrian95/0039293026~vcd.md) - Role: Coil/Load Connector - Role Details: Channels 1-16: pin 1 to +12V coil supply, pin 2 to MOSFET-switched low side drain node. - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: 0039293026 - Datasheet URL: https://www.molex.com/en-us/products/part-detail/39293026?display=pdf - Part Type: Connector - Manufacturer Name: Molex - Package or Case Code: 39-29-3026 **Pins:** - 1 [pin 1] - 2 [pin 2] ### J5 — [0039293026](https://www.flux.ai/adrian95/0039293026~vcd.md) - License: https://creativecommons.org/licenses/by/4.0/ - Role: Coil/Load Connector - Manufacturer Part Number: 0039293026 - Role Details: Channels 1-16: pin 1 to +12V coil supply, pin 2 to MOSFET-switched low side drain node. - Part Type: Connector - Datasheet URL: https://www.molex.com/en-us/products/part-detail/39293026?display=pdf - Package or Case Code: 39-29-3026 - Manufacturer Name: Molex **Pins:** - 1 [pin 1] - 2 [pin 2] ### J6 — [0039293026](https://www.flux.ai/adrian95/0039293026~vcd.md) - Package or Case Code: 39-29-3026 - Manufacturer Name: Molex - Part Type: Connector - Datasheet URL: https://www.molex.com/en-us/products/part-detail/39293026?display=pdf - Role Details: Channels 1-16: pin 1 to +12V coil supply, pin 2 to MOSFET-switched low side drain node. - Manufacturer Part Number: 0039293026 - License: https://creativecommons.org/licenses/by/4.0/ - Role: Coil/Load Connector **Pins:** - 1 [pin 1] - 2 [pin 2] ### J7 — [0039293026](https://www.flux.ai/adrian95/0039293026~vcd.md) - Package or Case Code: 39-29-3026 - Manufacturer Name: Molex - Role: Coil/Load Connector - Part Type: Connector - Datasheet URL: https://www.molex.com/en-us/products/part-detail/39293026?display=pdf - Manufacturer Part Number: 0039293026 - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: Channels 1-16: pin 1 to +12V coil supply, pin 2 to MOSFET-switched low side drain node. **Pins:** - 1 [pin 1] - 2 [pin 2] ### J8 — [0039293026](https://www.flux.ai/adrian95/0039293026~vcd.md) - Manufacturer Name: Molex - Role: Coil/Load Connector - Package or Case Code: 39-29-3026 - Datasheet URL: https://www.molex.com/en-us/products/part-detail/39293026?display=pdf - Part Type: Connector - Role Details: Channels 1-16: pin 1 to +12V coil supply, pin 2 to MOSFET-switched low side drain node. - Manufacturer Part Number: 0039293026 - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 1 [pin 1] - 2 [pin 2] ### J9 — [0039293026](https://www.flux.ai/adrian95/0039293026~vcd.md) - License: https://creativecommons.org/licenses/by/4.0/ - Role: Coil/Load Connector - Manufacturer Part Number: 0039293026 - Part Type: Connector - Datasheet URL: https://www.molex.com/en-us/products/part-detail/39293026?display=pdf - Manufacturer Name: Molex - Package or Case Code: 39-29-3026 - Role Details: Channels 1-16: pin 1 to +12V coil supply, pin 2 to MOSFET-switched low side drain node. **Pins:** - 1 [pin 1] - 2 [pin 2] ### Q10 — [NCEP0178AK](https://www.flux.ai/lcsc/ncep0178ak~yy56.md) - Manufacturer Name: NCE(无锡新洁能) - Operating Temperature: -55℃~+175℃ - JLCPCB Part Class: Extended Part - Role Details: Conservative 100 V MOSFET replacement for 28 V Honeywell ET magnetic-hold coil driver; source to GND, drain to switched coil node, gate driven from Arduino through 220Ω + 1k chain. - Continuous Drain Current: 78A - Drain to Source Voltage: 100V - Transistor Type: 1 N-channel - Product Info Url: https://lcsc.com/product-detail/MOSFET_Wuxi-NCE-Power-Semiconductor-NCEP0178AK_C216784.html - Manufacturer Part Number: NCEP0178AK - Part Type: MOSFETs - LCSC Part Number: C216784 - Power: 125W - Role: Low-Side Coil MOSFET - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810010234_Wuxi-NCE-Power-Semiconductor-NCEP0178AK_C216784.pdf - Package or Case Code: TO-252-2_L6.5-W6.1-P4.58-LS10.0-TL **Pins:** - D [pin 4] - G [pin 1] - S [pin 3] ### Q11 — [NCEP0178AK](https://www.flux.ai/lcsc/ncep0178ak~yy56.md) - Package or Case Code: TO-252-2_L6.5-W6.1-P4.58-LS10.0-TL - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810010234_Wuxi-NCE-Power-Semiconductor-NCEP0178AK_C216784.pdf - Role Details: Conservative 100 V MOSFET replacement for 28 V Honeywell ET magnetic-hold coil driver; source to GND, drain to switched coil node, gate driven from Arduino through 220Ω + 1k chain. - Power: 125W - Role: Low-Side Coil MOSFET - Continuous Drain Current: 78A - Drain to Source Voltage: 100V - Product Info Url: https://lcsc.com/product-detail/MOSFET_Wuxi-NCE-Power-Semiconductor-NCEP0178AK_C216784.html - Transistor Type: 1 N-channel - Part Type: MOSFETs - LCSC Part Number: C216784 - Manufacturer Part Number: NCEP0178AK - Manufacturer Name: NCE(无锡新洁能) - Operating Temperature: -55℃~+175℃ - JLCPCB Part Class: Extended Part **Pins:** - D [pin 4] - G [pin 1] - S [pin 3] ### Q12 — [NCEP0178AK](https://www.flux.ai/lcsc/ncep0178ak~yy56.md) - Continuous Drain Current: 78A - Drain to Source Voltage: 100V - Product Info Url: https://lcsc.com/product-detail/MOSFET_Wuxi-NCE-Power-Semiconductor-NCEP0178AK_C216784.html - Transistor Type: 1 N-channel - Manufacturer Part Number: NCEP0178AK - LCSC Part Number: C216784 - Part Type: MOSFETs - Manufacturer Name: NCE(无锡新洁能) - Role: Low-Side Coil MOSFET - Operating Temperature: -55℃~+175℃ - JLCPCB Part Class: Extended Part - Package or Case Code: TO-252-2_L6.5-W6.1-P4.58-LS10.0-TL - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810010234_Wuxi-NCE-Power-Semiconductor-NCEP0178AK_C216784.pdf - Role Details: Conservative 100 V MOSFET replacement for 28 V Honeywell ET magnetic-hold coil driver; source to GND, drain to switched coil node, gate driven from Arduino through 220Ω + 1k chain. - Power: 125W **Pins:** - D [pin 4] - G [pin 1] - S [pin 3] ### Q13 — [NCEP0178AK](https://www.flux.ai/lcsc/ncep0178ak~yy56.md) - Package or Case Code: TO-252-2_L6.5-W6.1-P4.58-LS10.0-TL - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810010234_Wuxi-NCE-Power-Semiconductor-NCEP0178AK_C216784.pdf - Role: Low-Side Coil MOSFET - Power: 125W - Product Info Url: https://lcsc.com/product-detail/MOSFET_Wuxi-NCE-Power-Semiconductor-NCEP0178AK_C216784.html - Transistor Type: 1 N-channel - Drain to Source Voltage: 100V - Continuous Drain Current: 78A - LCSC Part Number: C216784 - Role Details: Conservative 100 V MOSFET replacement for 28 V Honeywell ET magnetic-hold coil driver; source to GND, drain to switched coil node, gate driven from Arduino through 220Ω + 1k chain. - Part Type: MOSFETs - Manufacturer Part Number: NCEP0178AK - Manufacturer Name: NCE(无锡新洁能) - JLCPCB Part Class: Extended Part - Operating Temperature: -55℃~+175℃ **Pins:** - D [pin 4] - G [pin 1] - S [pin 3] ### Q14 — [NCEP0178AK](https://www.flux.ai/lcsc/ncep0178ak~yy56.md) - LCSC Part Number: C216784 - Part Type: MOSFETs - Role Details: Conservative 100 V MOSFET replacement for 28 V Honeywell ET magnetic-hold coil driver; source to GND, drain to switched coil node, gate driven from Arduino through 220Ω + 1k chain. - Manufacturer Part Number: NCEP0178AK - Drain to Source Voltage: 100V - Continuous Drain Current: 78A - Product Info Url: https://lcsc.com/product-detail/MOSFET_Wuxi-NCE-Power-Semiconductor-NCEP0178AK_C216784.html - Transistor Type: 1 N-channel - Operating Temperature: -55℃~+175℃ - JLCPCB Part Class: Extended Part - Manufacturer Name: NCE(无锡新洁能) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810010234_Wuxi-NCE-Power-Semiconductor-NCEP0178AK_C216784.pdf - Package or Case Code: TO-252-2_L6.5-W6.1-P4.58-LS10.0-TL - Role: Low-Side Coil MOSFET - Power: 125W **Pins:** - D [pin 4] - G [pin 1] - S [pin 3] ### Q15 — [NCEP0178AK](https://www.flux.ai/lcsc/ncep0178ak~yy56.md) - Role Details: Conservative 100 V MOSFET replacement for 28 V Honeywell ET magnetic-hold coil driver; source to GND, drain to switched coil node, gate driven from Arduino through 220Ω + 1k chain. - Power: 125W - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810010234_Wuxi-NCE-Power-Semiconductor-NCEP0178AK_C216784.pdf - Package or Case Code: TO-252-2_L6.5-W6.1-P4.58-LS10.0-TL - Role: Low-Side Coil MOSFET - JLCPCB Part Class: Extended Part - Operating Temperature: -55℃~+175℃ - Manufacturer Name: NCE(无锡新洁能) - Manufacturer Part Number: NCEP0178AK - Part Type: MOSFETs - LCSC Part Number: C216784 - Product Info Url: https://lcsc.com/product-detail/MOSFET_Wuxi-NCE-Power-Semiconductor-NCEP0178AK_C216784.html - Transistor Type: 1 N-channel - Continuous Drain Current: 78A - Drain to Source Voltage: 100V **Pins:** - D [pin 4] - G [pin 1] - S [pin 3] ### Q16 — [NCEP0178AK](https://www.flux.ai/lcsc/ncep0178ak~yy56.md) - Role Details: Conservative 100 V MOSFET replacement for 28 V Honeywell ET magnetic-hold coil driver; source to GND, drain to switched coil node, gate driven from Arduino through 220Ω + 1k chain. - Package or Case Code: TO-252-2_L6.5-W6.1-P4.58-LS10.0-TL - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810010234_Wuxi-NCE-Power-Semiconductor-NCEP0178AK_C216784.pdf - Power: 125W - Transistor Type: 1 N-channel - Product Info Url: https://lcsc.com/product-detail/MOSFET_Wuxi-NCE-Power-Semiconductor-NCEP0178AK_C216784.html - Continuous Drain Current: 78A - Drain to Source Voltage: 100V - LCSC Part Number: C216784 - Part Type: MOSFETs - Manufacturer Part Number: NCEP0178AK - Manufacturer Name: NCE(无锡新洁能) - JLCPCB Part Class: Extended Part - Role: Low-Side Coil MOSFET - Operating Temperature: -55℃~+175℃ **Pins:** - D [pin 4] - G [pin 1] - S [pin 3] ### Q17 — [NCEP0178AK](https://www.flux.ai/lcsc/ncep0178ak~yy56.md) - Manufacturer Part Number: NCEP0178AK - LCSC Part Number: C216784 - Part Type: MOSFETs - Drain to Source Voltage: 100V - Continuous Drain Current: 78A - Product Info Url: https://lcsc.com/product-detail/MOSFET_Wuxi-NCE-Power-Semiconductor-NCEP0178AK_C216784.html - Transistor Type: 1 N-channel - Operating Temperature: -55℃~+175℃ - JLCPCB Part Class: Extended Part - Manufacturer Name: NCE(无锡新洁能) - Role: Low-Side Coil MOSFET - Package or Case Code: TO-252-2_L6.5-W6.1-P4.58-LS10.0-TL - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810010234_Wuxi-NCE-Power-Semiconductor-NCEP0178AK_C216784.pdf - Role Details: Conservative 100 V MOSFET replacement for 28 V Honeywell ET magnetic-hold coil driver; source to GND, drain to switched coil node, gate driven from Arduino through 220Ω + 1k chain. - Power: 125W **Pins:** - D [pin 4] - G [pin 1] - S [pin 3] ### Q2 — [NCEP0178AK](https://www.flux.ai/lcsc/ncep0178ak~yy56.md) - Role Details: Conservative 100 V MOSFET replacement for 28 V Honeywell ET magnetic-hold coil driver; source to GND, drain to switched coil node, gate driven from Arduino through 220Ω + 1k chain. - Package or Case Code: TO-252-2_L6.5-W6.1-P4.58-LS10.0-TL - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810010234_Wuxi-NCE-Power-Semiconductor-NCEP0178AK_C216784.pdf - Power: 125W - Continuous Drain Current: 78A - Drain to Source Voltage: 100V - Product Info Url: https://lcsc.com/product-detail/MOSFET_Wuxi-NCE-Power-Semiconductor-NCEP0178AK_C216784.html - Transistor Type: 1 N-channel - LCSC Part Number: C216784 - Part Type: MOSFETs - Manufacturer Part Number: NCEP0178AK - Manufacturer Name: NCE(无锡新洁能) - Operating Temperature: -55℃~+175℃ - JLCPCB Part Class: Extended Part - Role: Low-Side Coil MOSFET **Pins:** - D [pin 4] - G [pin 1] - S [pin 3] ### Q3 — [NCEP0178AK](https://www.flux.ai/lcsc/ncep0178ak~yy56.md) - Power: 125W - Role: Low-Side Coil MOSFET - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810010234_Wuxi-NCE-Power-Semiconductor-NCEP0178AK_C216784.pdf - Role Details: Conservative 100 V MOSFET replacement for 28 V Honeywell ET magnetic-hold coil driver; source to GND, drain to switched coil node, gate driven from Arduino through 220Ω + 1k chain. - Package or Case Code: TO-252-2_L6.5-W6.1-P4.58-LS10.0-TL - Manufacturer Name: NCE(无锡新洁能) - Operating Temperature: -55℃~+175℃ - JLCPCB Part Class: Extended Part - Continuous Drain Current: 78A - Drain to Source Voltage: 100V - Product Info Url: https://lcsc.com/product-detail/MOSFET_Wuxi-NCE-Power-Semiconductor-NCEP0178AK_C216784.html - Transistor Type: 1 N-channel - LCSC Part Number: C216784 - Part Type: MOSFETs - Manufacturer Part Number: NCEP0178AK **Pins:** - D [pin 4] - G [pin 1] - S [pin 3] ### Q4 — [NCEP0178AK](https://www.flux.ai/lcsc/ncep0178ak~yy56.md) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810010234_Wuxi-NCE-Power-Semiconductor-NCEP0178AK_C216784.pdf - Package or Case Code: TO-252-2_L6.5-W6.1-P4.58-LS10.0-TL - Power: 125W - Role: Low-Side Coil MOSFET - Role Details: Conservative 100 V MOSFET replacement for 28 V Honeywell ET magnetic-hold coil driver; source to GND, drain to switched coil node, gate driven from Arduino through 220Ω + 1k chain. - LCSC Part Number: C216784 - Part Type: MOSFETs - Manufacturer Part Number: NCEP0178AK - Product Info Url: https://lcsc.com/product-detail/MOSFET_Wuxi-NCE-Power-Semiconductor-NCEP0178AK_C216784.html - Transistor Type: 1 N-channel - Drain to Source Voltage: 100V - Continuous Drain Current: 78A - JLCPCB Part Class: Extended Part - Operating Temperature: -55℃~+175℃ - Manufacturer Name: NCE(无锡新洁能) **Pins:** - D [pin 4] - G [pin 1] - S [pin 3] ### Q5 — [NCEP0178AK](https://www.flux.ai/lcsc/ncep0178ak~yy56.md) - LCSC Part Number: C216784 - Part Type: MOSFETs - Manufacturer Part Number: NCEP0178AK - Product Info Url: https://lcsc.com/product-detail/MOSFET_Wuxi-NCE-Power-Semiconductor-NCEP0178AK_C216784.html - Transistor Type: 1 N-channel - Continuous Drain Current: 78A - Drain to Source Voltage: 100V - JLCPCB Part Class: Extended Part - Operating Temperature: -55℃~+175℃ - Manufacturer Name: NCE(无锡新洁能) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810010234_Wuxi-NCE-Power-Semiconductor-NCEP0178AK_C216784.pdf - Package or Case Code: TO-252-2_L6.5-W6.1-P4.58-LS10.0-TL - Role: Low-Side Coil MOSFET - Power: 125W - Role Details: Conservative 100 V MOSFET replacement for 28 V Honeywell ET magnetic-hold coil driver; source to GND, drain to switched coil node, gate driven from Arduino through 220Ω + 1k chain. **Pins:** - D [pin 4] - G [pin 1] - S [pin 3] ### Q6 — [NCEP0178AK](https://www.flux.ai/lcsc/ncep0178ak~yy56.md) - JLCPCB Part Class: Extended Part - Operating Temperature: -55℃~+175℃ - Manufacturer Name: NCE(无锡新洁能) - Manufacturer Part Number: NCEP0178AK - Part Type: MOSFETs - LCSC Part Number: C216784 - Role: Low-Side Coil MOSFET - Transistor Type: 1 N-channel - Product Info Url: https://lcsc.com/product-detail/MOSFET_Wuxi-NCE-Power-Semiconductor-NCEP0178AK_C216784.html - Drain to Source Voltage: 100V - Continuous Drain Current: 78A - Power: 125W - Package or Case Code: TO-252-2_L6.5-W6.1-P4.58-LS10.0-TL - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810010234_Wuxi-NCE-Power-Semiconductor-NCEP0178AK_C216784.pdf - Role Details: Conservative 100 V MOSFET replacement for 28 V Honeywell ET magnetic-hold coil driver; source to GND, drain to switched coil node, gate driven from Arduino through 220Ω + 1k chain. **Pins:** - D [pin 4] - G [pin 1] - S [pin 3] ### Q7 — [NCEP0178AK](https://www.flux.ai/lcsc/ncep0178ak~yy56.md) - Power: 125W - Role Details: Conservative 100 V MOSFET replacement for 28 V Honeywell ET magnetic-hold coil driver; source to GND, drain to switched coil node, gate driven from Arduino through 220Ω + 1k chain. - Package or Case Code: TO-252-2_L6.5-W6.1-P4.58-LS10.0-TL - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810010234_Wuxi-NCE-Power-Semiconductor-NCEP0178AK_C216784.pdf - Manufacturer Name: NCE(无锡新洁能) - Operating Temperature: -55℃~+175℃ - JLCPCB Part Class: Extended Part - Continuous Drain Current: 78A - Drain to Source Voltage: 100V - Product Info Url: https://lcsc.com/product-detail/MOSFET_Wuxi-NCE-Power-Semiconductor-NCEP0178AK_C216784.html - Transistor Type: 1 N-channel - Role: Low-Side Coil MOSFET - LCSC Part Number: C216784 - Part Type: MOSFETs - Manufacturer Part Number: NCEP0178AK **Pins:** - D [pin 4] - G [pin 1] - S [pin 3] ### Q8 — [NCEP0178AK](https://www.flux.ai/lcsc/ncep0178ak~yy56.md) - Role Details: Conservative 100 V MOSFET replacement for 28 V Honeywell ET magnetic-hold coil driver; source to GND, drain to switched coil node, gate driven from Arduino through 220Ω + 1k chain. - Power: 125W - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810010234_Wuxi-NCE-Power-Semiconductor-NCEP0178AK_C216784.pdf - Package or Case Code: TO-252-2_L6.5-W6.1-P4.58-LS10.0-TL - Manufacturer Name: NCE(无锡新洁能) - JLCPCB Part Class: Extended Part - Operating Temperature: -55℃~+175℃ - Product Info Url: https://lcsc.com/product-detail/MOSFET_Wuxi-NCE-Power-Semiconductor-NCEP0178AK_C216784.html - Transistor Type: 1 N-channel - Continuous Drain Current: 78A - Drain to Source Voltage: 100V - Role: Low-Side Coil MOSFET - Manufacturer Part Number: NCEP0178AK - LCSC Part Number: C216784 - Part Type: MOSFETs **Pins:** - D [pin 4] - G [pin 1] - S [pin 3] ### Q9 — [NCEP0178AK](https://www.flux.ai/lcsc/ncep0178ak~yy56.md) - Manufacturer Name: NCE(无锡新洁能) - Operating Temperature: -55℃~+175℃ - JLCPCB Part Class: Extended Part - Continuous Drain Current: 78A - Drain to Source Voltage: 100V - Product Info Url: https://lcsc.com/product-detail/MOSFET_Wuxi-NCE-Power-Semiconductor-NCEP0178AK_C216784.html - Transistor Type: 1 N-channel - Manufacturer Part Number: NCEP0178AK - Part Type: MOSFETs - LCSC Part Number: C216784 - Role Details: Conservative 100 V MOSFET replacement for 28 V Honeywell ET magnetic-hold coil driver; source to GND, drain to switched coil node, gate driven from Arduino through 220Ω + 1k chain. - Power: 125W - Role: Low-Side Coil MOSFET - Package or Case Code: TO-252-2_L6.5-W6.1-P4.58-LS10.0-TL - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810010234_Wuxi-NCE-Power-Semiconductor-NCEP0178AK_C216784.pdf **Pins:** - D [pin 4] - G [pin 1] - S [pin 3] ### U1 — [DEV-12640](https://www.flux.ai/jecstronic/dev-12640~yd1.md) - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/492/ProMicro&Fio_v3_HookupGuide_Web.pdf - Role Details: SparkFun Pro Micro ATmega32U4 module. USB connects to PC/DCS-BIOS; 16 GPIO outputs drive IN1-IN16 gate-command nets. Coil power remains separate 28 V input with common ground reference. - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Evaluation Board - Role: Onboard DCS-BIOS Controller - Manufacturer Name: SparkFun Electronics - Manufacturer Part Number: DEV-12640 **Pins:** - 10 [pin 10] - 14 [pin 14] - 15 [pin 15] - 16 [pin 16] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] - 9 [pin 9] - A0 [pin A1] - A1 [pin A2] - A2 [pin A3] - A3 [pin A4] - GND_1 [pin 1] - GND_2 [pin 20] - GND_3 [pin 24] - RAW [pin 21] - RST [pin 19] - RXI [pin 23] - TXO [pin 22] - VCC [pin 18] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/sddvox/open-hornet-16-channel-28v-magnetic-hold-driver~t9](https://www.flux.ai/sddvox/open-hornet-16-channel-28v-magnetic-hold-driver~t9).* --- *Generated from [https://www.flux.ai/sddvox/open-hornet-16-channel-28v-magnetic-hold-driver~t9](https://www.flux.ai/sddvox/open-hornet-16-channel-28v-magnetic-hold-driver~t9)*