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ESP12FPSU backup 27-11

R8bert·esp32-psu

ESP12FPSU backup 27-11 PCB layout, top view — open source ESP8266 board by R8bert

About the ESP12FPSU backup 27-11 PCB

ESP12FPSU backup 27-11 is an open source ESP8266 PCB design by R8bert, published on GitHub. It is a 2-layer board measuring 70 × 100 mm, with 52 components from 26 distinct parts.

Its main chip is the ESP-12F(ESP8266MOD), from the ESP8266 family. Other key parts include the MP2451DT-LF-Z, DS18B20 and XT60. By type, the board carries 18 resistors, 12 capacitors, 8 ICs, 3 connectors, 3 diodes and 2 transistors.

It belongs with the iot & wireless designs in this gallery.

From the project

A smart, programmable lab power supply controlled by an ESP32 microcontroller. This project combines hardware design and firmware development to provide precise, remote control over voltage and current using a custom-designed PCB.

A smart, programmable lab power supply controlled by an ESP32 microcontroller. This project combines hardware design and firmware development to provide precise, remote control over voltage and current using a custom-designed PCB.

This project was created to make a standard lab power supply smarter and easier to use. By adding an ESP32 and a custom interface board, I was able to control voltage, current, and safety features remotely — either through a web dashboard, serial commands, or a mobile app.

ESP12FPSU backup 27-11, from the project README
From the project README

Main components on the ESP12FPSU backup 27-11

ESP-12F(ESP8266MOD)MP2451DT-LF-ZDS18B20XT60

ESP12FPSU backup 27-11 bill of materials (BOM)

52 components, 26 distinct parts.

QtyPartRefs
1
ESP-12F(ESP8266MOD)
U1
2
MP2451DT-LF-Z
U2, U5
2
DS18B20
U3, U7
3
XT60
U4, U6, U8
1
IRL540NPBF
Q1
1
AO3400
Q2
2
24.245.2
CN1, CN2
1
PROGRAMMER
J1
1
XF-508P-A-B
FUSE1
1
Button-6x6x9-Right-Angle
SW1
2
WS2812B-4020
LED1, LED2
2
SS24_C908678
D1, D2
1
1N5819
D3
1
0630 2.2uH
L1
1
0630 3.3uH
L3
6
100nF
C1, C5, C6, C10, C11, C12
2
10uF
C2, C8
2
33pF
C3, C7
2
4.7uF
C4, C13
1
40k
R1
Show 6 more
QtyPartRefs
2
124k
R2, R7
4
100k
R3, R5, R10, R11
1
24k
R4
2
4k7
R6, R12
7
10K
R8, R9, R13, R14, R15, R16, R18
1
1k
R17

ESP12FPSU backup 27-11 design files

The KiCad project lives in the R8bert/esp32-psu repository on GitHub; these links point at the commit this page was built from.

ESP12FPSU backup 27-11: common questions

What microcontroller does the ESP12FPSU backup 27-11 use?

The ESP12FPSU backup 27-11 is built around the ESP-12F(ESP8266MOD), from the ESP8266 family.

How big is the ESP12FPSU backup 27-11 PCB?

The ESP12FPSU backup 27-11 measures 70 × 100 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the ESP12FPSU backup 27-11?

52 components, from 26 distinct parts. The full bill of materials is listed on this page.

Where can I download the ESP12FPSU backup 27-11 design files?

From the R8bert/esp32-psu repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the ESP12FPSU backup 27-11 design in my own project?

The repository has no license, so all rights stay with R8bert. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the ESP12FPSU backup 27-11 without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP8266 firmware against it before you order a PCB.

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