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2 layers28.7 × 51.1 mmESP Pump Interface, the printed circuit board in 3D

A small project for an ESP32-doit-devKi-V1 to expose 4 GPIOs to BJTs in order to switch external 5V powerlanes driven by USB-C

Size
28.7 × 51.1 mm
Copper layers
2
Thickness
1.6 mm
Parts
24
Nets
39
Pads
100
Tracks, vias
92, 0
Pours
2
Routed
Yes
KiCad
KiCad 7 (file 20221018)
Created
13 Jun 2024
Updated
26 Jul 2024

Overview

ESP Pump Interface is an open-source printed circuit board by pmamatis, from the pmamatis/ESP32_waterpump_interface repository on GitHub, published under the MIT licence. It is a 2-layer board of 28.7 × 51.1 mm with 24 parts on 39 nets, routed with 92 tracks and 0 vias.

Its parts include 10 resistors, 4 diodes, 4 transistors, 1 IC and 1 connector. It belongs with the interfaces and adapters boards and the ESP32 boards of this library.

README

README.md

ESP32_waterpump_interface

A small project for an ESP32-doit-devKi-V1 to expose 4 GPIOs to BJTs in order to switch an external 5V powerlane driven by USB-C

Parts

24
QtyValueFootprintReferences
410kResistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_HorizontalR1, R4, R6, R8
42N2219Package_TO_SOT_THT:TO-92_Inline_WideQ1, Q2, Q3, Q4
4500Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_HorizontalR2, R3, R5, R7
4Conn_01x02Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_VerticalPump1, Pump2, Pump3, Pump4
4LEDLED_THT:LED_D5.0mmD1, D2, D3, D4
25k1Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_HorizontalR9, R10
1DOIT-ESP32-DEVKIT-V1ESP32-DEVKIT-V1:MODULE_ESP32_DEVKIT_V1U1
1USB_C_Receptacle_PowerOnly_6PConnector_USB:USB_C_Receptacle_G-Switch_GT-USB-7010ASVJ1

Questions

How big is the ESP Pump Interface PCB?

It measures 28.7 × 51.1 mm and has 2 copper layers, 1.6 mm thick.

What parts does the ESP Pump Interface use?

24 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the ESP Pump Interface KiCad files?

From the pmamatis/ESP32_waterpump_interface repository on GitHub, at the commit this page was made from: the board is PCB/ESP-Pump-Interface.kicad_pcb and its schematic PCB/ESP-Pump-Interface.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the ESP Pump Interface design in my own project?

Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

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