# Continuous Fuchsia P.K.E. Meter ## Description Universal 12V ESP32 Automation Motherboard with MOSFET Outputs, A4988 Stepper Socket, LM2596 5V Regulator & Expansion Headers ## Project Details - **Owner:** zubieboards - **Created:** 2/3/2026 - **Last Updated:** 2/3/2026 - **Visibility:** Public - **Net Type: 5V:** Power - **Net Type: GND:** Ground - **Net Type: MS1:** Low Speed - **Net Type: MS2:** Low Speed - **Net Type: GPIO27:** Low Speed - **Net Type: STEP:** Low Speed - **Net Type: 3.3V:** Power - **Net Type: MS3:** Low Speed - **Net Type: GPIO14:** Low Speed - **Net Type: DIR:** Low Speed - **Net Type: GPIO12:** Low Speed - **Net Type: 12V:** Power - **Net Type: RESET:** Low Speed - **Net Type: GPIO13:** Low Speed - **Net Type: ENABLE:** Low Speed ## Key Components ### D1 — [1N4007](https://www.flux.ai/adrian95/1n4007~3wg.md) - Manufacturer Name: Yangjie Technology - License: https://creativecommons.org/licenses/by/4.0/ - Role: Flyback / Freewheeling - Role Details: Flyback diode for MOSFET low-side output clamp for channels CH1–CH4 - Part Type: Diode - Manufacturer Part Number: 1N4007 - Datasheet URL: https://diotec.com/tl_files/diotec/files/pdf/datasheets/1n4001.pdf **Pins:** - anode [pin 2] - cathode [pin 1] ### D2 — [1N4007](https://www.flux.ai/adrian95/1n4007~3wg.md) - Part Type: Diode - Manufacturer Part Number: 1N4007 - Datasheet URL: https://diotec.com/tl_files/diotec/files/pdf/datasheets/1n4001.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Yangjie Technology - Role Details: Flyback diode for MOSFET low-side output clamp for channels CH1–CH4 - Role: Flyback / Freewheeling **Pins:** - anode [pin 2] - cathode [pin 1] ### D3 — [1N4007](https://www.flux.ai/adrian95/1n4007~3wg.md) - Part Type: Diode - Datasheet URL: https://diotec.com/tl_files/diotec/files/pdf/datasheets/1n4001.pdf - Manufacturer Part Number: 1N4007 - Role Details: Flyback diode for MOSFET low-side output clamp for channels CH1–CH4 - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Yangjie Technology - Role: Flyback / Freewheeling **Pins:** - anode [pin 2] - cathode [pin 1] ### D4 — [1N4007](https://www.flux.ai/adrian95/1n4007~3wg.md) - Role: Flyback / Freewheeling - Manufacturer Name: Yangjie Technology - Role Details: Flyback diode for MOSFET low-side output clamp for channels CH1–CH4 - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: 1N4007 - Datasheet URL: https://diotec.com/tl_files/diotec/files/pdf/datasheets/1n4001.pdf - Part Type: Diode **Pins:** - anode [pin 2] - cathode [pin 1] ### J1 — [Pin Header 01x03 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x03-254mm-vertical~cp4.md) - Role Details: Expansion header with GND, 3.3V, GPIO34 - Part Type: Connector - Role: Connector - Mount: Through Hole **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] ### J10 — [PPPC151LFBN-RC](https://www.flux.ai/adrian95/pppc151lfbn-rc~kro.md) - Role: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector - Package or Case Code: RHDR15W80P0X254_1X15_3860X254X870P - Manufacturer Part Number: PPPC151LFBN-RC - Manufacturer Name: Sullins - Role Details: Female header for ESP32 DevKit V1 - Datasheet URL: https://datasheet.datasheetarchive.com/originals/dk/DKDS-20/386705.pdf **Pins:** - 1 [pin 1] - 10 [pin 10] - 11 [pin 11] - 12 [pin 12] - 13 [pin 13] - 14 [pin 14] - 15 [pin 15] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] - 9 [pin 9] ### J11 — [PPPC151LFBN-RC](https://www.flux.ai/adrian95/pppc151lfbn-rc~kro.md) - Package or Case Code: RHDR15W80P0X254_1X15_3860X254X870P - Role: Connector - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://datasheet.datasheetarchive.com/originals/dk/DKDS-20/386705.pdf - Role Details: Female header for ESP32 DevKit V1 - Manufacturer Part Number: PPPC151LFBN-RC - Manufacturer Name: Sullins **Pins:** - 1 [pin 1] - 10 [pin 10] - 11 [pin 11] - 12 [pin 12] - 13 [pin 13] - 14 [pin 14] - 15 [pin 15] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] - 9 [pin 9] ### J2 — [Pin Header 01x03 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x03-254mm-vertical~cp4.md) - Role Details: Expansion header with GND, 3.3V, GPIO35 - Part Type: Connector - Mount: Through Hole - Role: Connector **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] ### J3 — [Pin Header 01x03 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x03-254mm-vertical~cp4.md) - Role Details: Servo header with GND, 5V, GPIO15 - Part Type: Connector - Role: Connector - Mount: Through Hole **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] ### J4 — [61300411121](https://www.flux.ai/adrian95/61300411121~pw9.md) - Manufacturer Part Number: 61300411121 - Package or Case Code: HDRV4W95P0X254_1X4_1016X254X854P - Role Details: Display header with GND, 5V, SDA, SCL - Datasheet URL: https://www.we-online.com/components/products/datasheet/61300411121.pdf - Manufacturer Name: Wurth Elektronik - License: https://creativecommons.org/licenses/by/4.0/ - Role: Connector - Part Type: Connector **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### J5 — [KF128-5.08-2P-AA](https://www.flux.ai/lcsc/kf128-5p08-2p-aa~0pbi.md) - Role Details: Screw terminal for Power In - Connector Type: Screw terminal - Connector Pitch: 5.08mm - Mount: Through Hole - Current Rating: 24A - Operating Temperature: -40℃~+105℃ - Connector Rows: 1 - Role: Connector - Part Type: Screw terminal - Package or Case Code: CONN-TH_P5.08_KF128-5.08-2P - Connector Positions: 2 - Manufacturer Name: KEFA(科发) - LCSC Part Number: C474952 - Manufacturer Part Number: KF128-5.08-2P-AA - JLCPCB Part Class: Extended Part - Connector Gender: Female - Product Info Url: https://lcsc.com/product-detail/New-Quadratic-Unclassified-Data_Cixi-Kefa-Elec-KF128-5-08-2P_C474952.html - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2408211511_Cixi-Kefa-Elec-KF128-5-08-2P-AA_C474952.pdf **Pins:** - 1 [pin 1] - 2 [pin 2] ### J6 — [KF128-5.08-2P-AA](https://www.flux.ai/lcsc/kf128-5p08-2p-aa~0pbi.md) - Connector Type: Screw terminal - Connector Pitch: 5.08mm - Current Rating: 24A - Role: Connector - Operating Temperature: -40℃~+105℃ - Connector Rows: 1 - Mount: Through Hole - Part Type: Screw terminal - Package or Case Code: CONN-TH_P5.08_KF128-5.08-2P - Connector Positions: 2 - Manufacturer Name: KEFA(科发) - LCSC Part Number: C474952 - Manufacturer Part Number: KF128-5.08-2P-AA - JLCPCB Part Class: Extended Part - Connector Gender: Female - Product Info Url: https://lcsc.com/product-detail/New-Quadratic-Unclassified-Data_Cixi-Kefa-Elec-KF128-5-08-2P_C474952.html - Role Details: Screw terminal for CH1 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2408211511_Cixi-Kefa-Elec-KF128-5-08-2P-AA_C474952.pdf **Pins:** - 1 [pin 1] - 2 [pin 2] ### J7 — [KF128-5.08-2P-AA](https://www.flux.ai/lcsc/kf128-5p08-2p-aa~0pbi.md) - Connector Type: Screw terminal - Connector Pitch: 5.08mm - Current Rating: 24A - Operating Temperature: -40℃~+105℃ - Connector Rows: 1 - Role: Connector - Package or Case Code: CONN-TH_P5.08_KF128-5.08-2P - Part Type: Screw terminal - Mount: Through Hole - Manufacturer Name: KEFA(科发) - Connector Positions: 2 - LCSC Part Number: C474952 - JLCPCB Part Class: Extended Part - Manufacturer Part Number: KF128-5.08-2P-AA - Product Info Url: https://lcsc.com/product-detail/New-Quadratic-Unclassified-Data_Cixi-Kefa-Elec-KF128-5-08-2P_C474952.html - Connector Gender: Female - Role Details: Screw terminal for CH2 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2408211511_Cixi-Kefa-Elec-KF128-5-08-2P-AA_C474952.pdf **Pins:** - 1 [pin 1] - 2 [pin 2] ### J8 — [KF128-5.08-2P-AA](https://www.flux.ai/lcsc/kf128-5p08-2p-aa~0pbi.md) - Role Details: Screw terminal for CH3 - Package or Case Code: CONN-TH_P5.08_KF128-5.08-2P - Part Type: Screw terminal - Connector Positions: 2 - Manufacturer Name: KEFA(科发) - Connector Rows: 1 - Connector Gender: Female - Product Info Url: https://lcsc.com/product-detail/New-Quadratic-Unclassified-Data_Cixi-Kefa-Elec-KF128-5-08-2P_C474952.html - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2408211511_Cixi-Kefa-Elec-KF128-5-08-2P-AA_C474952.pdf - LCSC Part Number: C474952 - Manufacturer Part Number: KF128-5.08-2P-AA - JLCPCB Part Class: Extended Part - Connector Pitch: 5.08mm - Role: Connector - Connector Type: Screw terminal - Current Rating: 24A - Operating Temperature: -40℃~+105℃ - Mount: Through Hole **Pins:** - 1 [pin 1] - 2 [pin 2] ### J9 — [KF128-5.08-2P-AA](https://www.flux.ai/lcsc/kf128-5p08-2p-aa~0pbi.md) - Connector Rows: 1 - Package or Case Code: CONN-TH_P5.08_KF128-5.08-2P - Part Type: Screw terminal - Connector Positions: 2 - Manufacturer Name: KEFA(科发) - LCSC Part Number: C474952 - Manufacturer Part Number: KF128-5.08-2P-AA - JLCPCB Part Class: Extended Part - Mount: Through Hole - Connector Gender: Female - Product Info Url: https://lcsc.com/product-detail/New-Quadratic-Unclassified-Data_Cixi-Kefa-Elec-KF128-5-08-2P_C474952.html - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2408211511_Cixi-Kefa-Elec-KF128-5-08-2P-AA_C474952.pdf - Connector Type: Screw terminal - Role Details: Screw terminal for CH4 - Connector Pitch: 5.08mm - Role: Connector - Current Rating: 24A - Operating Temperature: -40℃~+105℃ **Pins:** - 1 [pin 1] - 2 [pin 2] ### Q1 — [IRLZ44NPBF](https://www.flux.ai/jecstronic/irlz44npbf~kg9.md) - Manufacturer Part Number: IRLZ44NPBF - Role: Switching - Manufacturer Name: Infineon Technologies - Role Details: Low-side MOSFET for channels CH1–CH4 - Part Type: Transistor - Datasheet URL: https://www.mouser.com/datasheet/2/196/Infineon_IRLZ44N_DataSheet_v01_01_EN-3363447.pdf - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - D [pin 2] - G [pin 1] - S [pin 3] ### Q2 — [IRLZ44NPBF](https://www.flux.ai/jecstronic/irlz44npbf~kg9.md) - Manufacturer Part Number: IRLZ44NPBF - Role Details: Low-side MOSFET for channels CH1–CH4 - Part Type: Transistor - Datasheet URL: https://www.mouser.com/datasheet/2/196/Infineon_IRLZ44N_DataSheet_v01_01_EN-3363447.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Role: Switching - Manufacturer Name: Infineon Technologies **Pins:** - D [pin 2] - G [pin 1] - S [pin 3] ### Q3 — [IRLZ44NPBF](https://www.flux.ai/jecstronic/irlz44npbf~kg9.md) - Part Type: Transistor - Datasheet URL: https://www.mouser.com/datasheet/2/196/Infineon_IRLZ44N_DataSheet_v01_01_EN-3363447.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Role: Switching - Manufacturer Name: Infineon Technologies - Manufacturer Part Number: IRLZ44NPBF - Role Details: Low-side MOSFET for channels CH1–CH4 **Pins:** - D [pin 2] - G [pin 1] - S [pin 3] ### Q4 — [IRLZ44NPBF](https://www.flux.ai/jecstronic/irlz44npbf~kg9.md) - Manufacturer Part Number: IRLZ44NPBF - Role Details: Low-side MOSFET for channels CH1–CH4 - Role: Switching - Datasheet URL: https://www.mouser.com/datasheet/2/196/Infineon_IRLZ44N_DataSheet_v01_01_EN-3363447.pdf - Part Type: Transistor - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Infineon Technologies **Pins:** - D [pin 2] - G [pin 1] - S [pin 3] ### U2 — [A4988_STEPPER_MOTOR](https://www.flux.ai/jecstronic/a4988steppermotor~0x9.md) - Part Type: module - Mount: Through Hole - Manufacturer Part Number: A4988_STEPPER_MOTOR_DRIVER_CARRIER - License: https://creativecommons.org/licenses/by/4.0/ - Role: Connector - Role Details: Socket for A4988 stepper motor driver module **Pins:** - ~ENABLE [pin 1] - ~RESET [pin 5] - ~SLEEP [pin 6] - 1A [pin 12] - 1B [pin 11] - 2A [pin 13] - 2B [pin 14] - DIR [pin 8] - GND [pin 9] - GND [pin 15] - MS1 [pin 2] - MS2 [pin 3] - MS3 [pin 4] - STEP [pin 7] - VDD [pin 10] - VMOT [pin 16] ### U3 — [lm2596 step down module](https://www.flux.ai/vasyl/lm2596-step-down-module~yl.md) - Mount: Through Hole - Role Details: Buck converter 12V to 5V for ESP32 Vin and SERVO header - Part Type: DC-DC Convertor - Role: Power Conversion **Pins:** - GND OUT - GND VIN - OUT - VIN *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/zubieboards/continuous-fuchsia-ppkpep-meter~oh](https://www.flux.ai/zubieboards/continuous-fuchsia-ppkpep-meter~oh).* --- *Generated from [https://www.flux.ai/zubieboards/continuous-fuchsia-ppkpep-meter~oh](https://www.flux.ai/zubieboards/continuous-fuchsia-ppkpep-meter~oh)*