# 595 Darling 555 ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** brandocommando - **Created:** 3/9/2026 - **Last Updated:** 3/17/2026 - **Visibility:** Public ## Key Components ### 555a — [LMC555CN/NOPB](https://www.flux.ai/vasyl/lmc555cnnopb.md) - Manufacturer Part Number: LMC555CN/NOPB - Manufacturer Name: Texas Instruments - Part Type: Integrated Circuit - Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Flmc555 **Pins:** - CV [pin 5] - DIS [pin 7] - GND [pin 1] - Q [pin 3] - R [pin 4] - THR [pin 6] - TR [pin 2] - VCC [pin 8] ### 555b — [LMC555CN/NOPB](https://www.flux.ai/vasyl/lmc555cnnopb.md) - Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Flmc555 - Part Type: Integrated Circuit - Manufacturer Name: Texas Instruments - Manufacturer Part Number: LMC555CN/NOPB **Pins:** - CV [pin 5] - DIS [pin 7] - GND [pin 1] - Q [pin 3] - R [pin 4] - THR [pin 6] - TR [pin 2] - VCC [pin 8] ### D1 — [1N4007RLG](https://www.flux.ai/jecstronic/1n4007rlg.md) - Manufacturer Part Number: 1N4007RLG - Manufacturer Name: onsemi - Part Type: Diode - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.onsemi.com/pdf/datasheet/1n4001-d.pdf **Pins:** - anode [pin 2] - cathode [pin 1] ### D2 — [1N4007RLG](https://www.flux.ai/jecstronic/1n4007rlg.md) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.onsemi.com/pdf/datasheet/1n4001-d.pdf - Manufacturer Part Number: 1N4007RLG - Manufacturer Name: onsemi - Part Type: Diode **Pins:** - anode [pin 2] - cathode [pin 1] ### D2 IN — [XHP-3](https://www.flux.ai/adrian95/xhp-3.md) - Manufacturer Part Number: XHP-3 - Part Type: Connector - Manufacturer Name: JST Sales America Inc. - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/eXH.pdf **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] ### D2 OUT — [XHP-3](https://www.flux.ai/adrian95/xhp-3.md) - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/eXH.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: JST Sales America Inc. - Manufacturer Part Number: XHP-3 - Part Type: Connector **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] ### D3 — [1N4007RLG](https://www.flux.ai/jecstronic/1n4007rlg.md) - Manufacturer Name: onsemi - Manufacturer Part Number: 1N4007RLG - Part Type: Diode - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.onsemi.com/pdf/datasheet/1n4001-d.pdf **Pins:** - anode [pin 2] - cathode [pin 1] ### Data IN — [XHP-3](https://www.flux.ai/adrian95/xhp-3.md) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/eXH.pdf - Manufacturer Part Number: XHP-3 - Part Type: Connector - Manufacturer Name: JST Sales America Inc. **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] ### Data OUT — [XHP-3](https://www.flux.ai/adrian95/xhp-3.md) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/eXH.pdf - Manufacturer Part Number: XHP-3 - Part Type: Connector - Manufacturer Name: JST Sales America Inc. **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] ### DOT1 — [B6B-XH-A(LF)(SN)](https://www.flux.ai/adrian95/b6b-xh-alfsn.md) - Part Type: Connector - Manufacturer Name: JST Sales America Inc. - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: B6B-XH-A(LF)(SN) - Datasheet URL: https://www.phoenixcontact.com/en-us/products/pcb-header-mstba-25-3-g-508-1757255?type=pdf **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] - Pin_5 [pin 5] - Pin_6 [pin 6] ### DOT2 — [B6B-XH-A(LF)(SN)](https://www.flux.ai/adrian95/b6b-xh-alfsn.md) - Manufacturer Name: JST Sales America Inc. - Part Type: Connector - Datasheet URL: https://www.phoenixcontact.com/en-us/products/pcb-header-mstba-25-3-g-508-1757255?type=pdf - Manufacturer Part Number: B6B-XH-A(LF)(SN) - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] - Pin_5 [pin 5] - Pin_6 [pin 6] ### H1 — [X5511FV-16-C30D743-0743](https://www.flux.ai/lcsc/x5511fv-16-c30d743-0743.md) - JLCPCB Part Class: Extended Part - Part Type: Pin Headers - Manufacturer Part Number: X5511FV-16-C30D743-0743 - Manufacturer Name: XKB Connectivity(中国星坤) - LCSC Part Number: C2764599 - Package or Case Code: HDR-TH_16P-P2.54-V-F-3 **Pins:** - 1 [pin 1] - 10 [pin 10] - 11 [pin 11] - 12 [pin 12] - 13 [pin 13] - 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] ### H2 — [X5511FV-16-C30D743-0743](https://www.flux.ai/lcsc/x5511fv-16-c30d743-0743.md) - Manufacturer Part Number: X5511FV-16-C30D743-0743 - Part Type: Pin Headers - JLCPCB Part Class: Extended Part - Package or Case Code: HDR-TH_16P-P2.54-V-F-3 - LCSC Part Number: C2764599 - Manufacturer Name: XKB Connectivity(中国星坤) **Pins:** - 1 [pin 1] - 10 [pin 10] - 11 [pin 11] - 12 [pin 12] - 13 [pin 13] - 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] ### J1 — [2-Position Screw Terminal](https://www.flux.ai/corynrobinson/2-position-screw-terminal.md) - Manufacturer Part Number: 691137710002 - Part Type: Connector - Datasheet URL: https://www.we-online.com/katalog/datasheet/691137710002.pdf - Manufacturer Name: Würth Elektrik **Pins:** - P1 [pin 1] - P2 [pin 2] ### J2 — [2-Position Screw Terminal](https://www.flux.ai/corynrobinson/2-position-screw-terminal.md) - Manufacturer Part Number: 691137710002 - Part Type: Connector - Datasheet URL: https://www.we-online.com/katalog/datasheet/691137710002.pdf - Manufacturer Name: Würth Elektrik **Pins:** - P1 [pin 1] - P2 [pin 2] ### JP1 — [Jumper 2 Open](https://www.flux.ai/vasyl/jumper-2-open.md) - Part Type: Jumper - Exclude from BOM: false - Manufacturer Part Number: JP1 **Pins:** - A [pin 1] - B [pin 2] ### JP2 — [Jumper 2 Open](https://www.flux.ai/vasyl/jumper-2-open.md) - Manufacturer Part Number: JP1 - Exclude from BOM: false - Part Type: Jumper **Pins:** - A [pin 1] - B [pin 2] ### LED1 — [LED-THT-3MM](https://www.flux.ai/vasy_skral/led-tht-3mm.md) - Manufacturer Name: LED - Part Type: LED - Manufacturer Part Number: LED **Pins:** - A [pin 2] - K [pin 1] ### LED2 — [LED-THT-3MM](https://www.flux.ai/vasy_skral/led-tht-3mm.md) - Part Type: LED - Manufacturer Part Number: LED **Pins:** - A [pin 2] - K [pin 1] ### P2 IN — [XHP-3](https://www.flux.ai/adrian95/xhp-3.md) - Manufacturer Name: JST Sales America Inc. - Part Type: Connector - Manufacturer Part Number: XHP-3 - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/eXH.pdf - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] ### P2 OUT — [XHP-3](https://www.flux.ai/adrian95/xhp-3.md) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/eXH.pdf - Part Type: Connector - Manufacturer Part Number: XHP-3 - Manufacturer Name: JST Sales America Inc. **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] ### Power IN — [XHP-3](https://www.flux.ai/adrian95/xhp-3.md) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/eXH.pdf - Part Type: Connector - Manufacturer Part Number: XHP-3 - Manufacturer Name: JST Sales America Inc. **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] ### Power OUT — [XHP-3](https://www.flux.ai/adrian95/xhp-3.md) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/eXH.pdf - Manufacturer Part Number: XHP-3 - Part Type: Connector - Manufacturer Name: JST Sales America Inc. **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] ### Q1 — [IRFZ44NPBF](https://www.flux.ai/adrian95/irfz44npbf.md) - Manufacturer Name: Infineon Technologies - Manufacturer Part Number: IRFZ44NPBF - Part Type: Transistor - Datasheet URL: https://www.infineon.com/dgdl/irfz44npbf.pdf?fileId=5546d462533600a40153563b3a9f220d - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - D [pin 2] - G [pin 1] - S [pin 3] ### S1 — [SN74HC595N](https://www.flux.ai/adrian95/sn74hc595n.md) - Part Type: Digital Circuit - Manufacturer Name: Texas Instruments - Manufacturer Part Number: SN74HC595N - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.ti.com/lit/ds/symlink/sn74hc595.pdf **Pins:** - GND [pin 8] - OE [pin 13] - QA [pin 15] - QB [pin 1] - QC [pin 2] - QD [pin 3] - QE [pin 4] - QF [pin 5] - QG [pin 6] - QH [pin 7] - QH' [pin 9] - RCLK [pin 12] - SER [pin 14] - SRCLK [pin 11] - SRCLR [pin 10] - VCC [pin 16] ### S2 — [SN74HC595N](https://www.flux.ai/adrian95/sn74hc595n.md) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.ti.com/lit/ds/symlink/sn74hc595.pdf - Manufacturer Name: Texas Instruments - Part Type: Digital Circuit - Manufacturer Part Number: SN74HC595N **Pins:** - GND [pin 8] - OE [pin 13] - QA [pin 15] - QB [pin 1] - QC [pin 2] - QD [pin 3] - QE [pin 4] - QF [pin 5] - QG [pin 6] - QH [pin 7] - QH' [pin 9] - RCLK [pin 12] - SER [pin 14] - SRCLK [pin 11] - SRCLR [pin 10] - VCC [pin 16] ### S3 — [SN74HC595N](https://www.flux.ai/adrian95/sn74hc595n.md) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.ti.com/lit/ds/symlink/sn74hc595.pdf - Manufacturer Name: Texas Instruments - Part Type: Digital Circuit - Manufacturer Part Number: SN74HC595N **Pins:** - GND [pin 8] - OE [pin 13] - QA [pin 15] - QB [pin 1] - QC [pin 2] - QD [pin 3] - QE [pin 4] - QF [pin 5] - QG [pin 6] - QH [pin 7] - QH' [pin 9] - RCLK [pin 12] - SER [pin 14] - SRCLK [pin 11] - SRCLR [pin 10] - VCC [pin 16] ### S4 — [SN74HC595N](https://www.flux.ai/adrian95/sn74hc595n.md) - Datasheet URL: https://www.ti.com/lit/ds/symlink/sn74hc595.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: SN74HC595N - Part Type: Digital Circuit - Manufacturer Name: Texas Instruments **Pins:** - GND [pin 8] - OE [pin 13] - QA [pin 15] - QB [pin 1] - QC [pin 2] - QD [pin 3] - QE [pin 4] - QF [pin 5] - QG [pin 6] - QH [pin 7] - QH' [pin 9] - RCLK [pin 12] - SER [pin 14] - SRCLK [pin 11] - SRCLR [pin 10] - VCC [pin 16] ### SW1 — [SWITCH-PUSH-6mm-H5mm-4pin](https://www.flux.ai/baronunread/switch-push-6mm-h5mm-4pin.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Switch - Manufacturer Part Number: switch **Pins:** - 1-1 [pin 1-1] - 1-2 [pin 1-2] - 2-1 [pin 2-1] - 2-2 [pin 2-2] ### SW2 — [L101011MS02Q](https://www.flux.ai/adrian95/l101011ms02q.md) - Manufacturer Part Number: L101011MS02Q - Datasheet URL: https://www.ckswitches.com/media/1423/l.pdf - Manufacturer Name: C&K - Part Type: Switch - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 1 [pin 1] - 2 [pin 2] ### U1 — [ULN2803A](https://www.flux.ai/adrian95/uln2803a.md) - Part Type: Transistor - Manufacturer Name: STMicroelectronics - Manufacturer Part Number: ULN2803A - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.mouser.com/datasheet/2/389/uln2801a-1852595.pdf **Pins:** - COMMON_FREE__WHEELING_DIODES [pin 10] - GND [pin 9] - IN_1 [pin 1] - IN_2 [pin 2] - IN_3 [pin 3] - IN_4 [pin 4] - IN_5 [pin 5] - IN_6 [pin 6] - IN_7 [pin 7] - IN_8 [pin 8] - OUT_1 [pin 18] - OUT_2 [pin 17] - OUT_3 [pin 16] - OUT_4 [pin 15] - OUT_5 [pin 14] - OUT_6 [pin 13] - OUT_7 [pin 12] - OUT_8 [pin 11] ### U2 — [ULN2803A](https://www.flux.ai/adrian95/uln2803a.md) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.mouser.com/datasheet/2/389/uln2801a-1852595.pdf - Manufacturer Part Number: ULN2803A - Manufacturer Name: STMicroelectronics - Part Type: Transistor **Pins:** - COMMON_FREE__WHEELING_DIODES [pin 10] - GND [pin 9] - IN_1 [pin 1] - IN_2 [pin 2] - IN_3 [pin 3] - IN_4 [pin 4] - IN_5 [pin 5] - IN_6 [pin 6] - IN_7 [pin 7] - IN_8 [pin 8] - OUT_1 [pin 18] - OUT_2 [pin 17] - OUT_3 [pin 16] - OUT_4 [pin 15] - OUT_5 [pin 14] - OUT_6 [pin 13] - OUT_7 [pin 12] - OUT_8 [pin 11] ### U3 — [ULN2803A](https://www.flux.ai/adrian95/uln2803a.md) - Manufacturer Part Number: ULN2803A - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.mouser.com/datasheet/2/389/uln2801a-1852595.pdf - Part Type: Transistor - Manufacturer Name: STMicroelectronics **Pins:** - COMMON_FREE__WHEELING_DIODES [pin 10] - GND [pin 9] - IN_1 [pin 1] - IN_2 [pin 2] - IN_3 [pin 3] - IN_4 [pin 4] - IN_5 [pin 5] - IN_6 [pin 6] - IN_7 [pin 7] - IN_8 [pin 8] - OUT_1 [pin 18] - OUT_2 [pin 17] - OUT_3 [pin 16] - OUT_4 [pin 15] - OUT_5 [pin 14] - OUT_6 [pin 13] - OUT_7 [pin 12] - OUT_8 [pin 11] ### U4 — [ULN2803A](https://www.flux.ai/adrian95/uln2803a.md) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.mouser.com/datasheet/2/389/uln2801a-1852595.pdf - Manufacturer Part Number: ULN2803A - Manufacturer Name: STMicroelectronics - Part Type: Transistor **Pins:** - COMMON_FREE__WHEELING_DIODES [pin 10] - GND [pin 9] - IN_1 [pin 1] - IN_2 [pin 2] - IN_3 [pin 3] - IN_4 [pin 4] - IN_5 [pin 5] - IN_6 [pin 6] - IN_7 [pin 7] - IN_8 [pin 8] - OUT_1 [pin 18] - OUT_2 [pin 17] - OUT_3 [pin 16] - OUT_4 [pin 15] - OUT_5 [pin 14] - OUT_6 [pin 13] - OUT_7 [pin 12] - OUT_8 [pin 11] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/brandocommando/595-darling-555](https://www.flux.ai/brandocommando/595-darling-555).* --- *Generated from [https://www.flux.ai/brandocommando/595-darling-555](https://www.flux.ai/brandocommando/595-darling-555)*