HardLabs

Power Monitor

Filips-Talums·DC-Inline-Power-Monitor·hardware/kicad/Power_Monitor_V1/Power Monitor.kicad_pcb

This repository ships a schematic but no board layout.

About the Power Monitor PCB

Power Monitor is an open source ESP32 PCB design by Filips-Talums, published on GitHub. It is a 2-layer board, with 14 components from 11 distinct parts.

Its main chip is the ESP32-DEVKITC-32E, from the ESP32 family. By type, the board carries 4 capacitors, 2 diodes, 1 IC, 1 connector, 1 buzzer and 1 fuse.

From the project

ESP32-based DC inline power monitor for measuring voltage, current, and power between a DC power source and external load.

This directory preserves the project's KiCad design history and manufacturing files:

- PowerMonitorV1/ contains the first PCB design. - PowerMonitorV2/ contains the version 2 project, its libraries, 3D model, and tracked recovery material. - The top-level PowerMonitorV2.1.kicad files contain the later version 2.1 board project files. - PCBV2PRINTING/ and PCBV2PRINTING.zip contain version 2 manufacturing outputs.

Main components on the Power Monitor

ESP32-DEVKITC-32E

Power Monitor bill of materials (BOM)

14 components, 11 distinct parts.

QtyPartRefs
1
ESP32-DEVKITC-32E
U2
1
INA226
J1
1
Buzzer
BZ1
1
Polyfuse
F1
2
Screw_Terminal_01x02
JIn1, JOut1
1
LM2596 buck converter
PS1
1
LED
D1
1
1N914
D2
1
330 uf
C1
3
0.1 uf
C2, C3, C4
1
R330
R1

Power Monitor design files

The KiCad project lives in the Filips-Talums/DC-Inline-Power-Monitor repository on GitHub; these links point at the commit this page was built from.

Power Monitor: common questions

What microcontroller does the Power Monitor use?

The Power Monitor is built around the ESP32-DEVKITC-32E, from the ESP32 family.

How big is the Power Monitor PCB?

The Power Monitor has 2 copper layers and is 1.6 mm thick.

How many components are on the Power Monitor?

14 components, from 11 distinct parts. The full bill of materials is listed on this page.

Where can I download the Power Monitor design files?

From the Filips-Talums/DC-Inline-Power-Monitor repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Power Monitor design in my own project?

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

Can I test firmware for the Power Monitor without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP32 firmware against it before you order a PCB.

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