HardLabs

BattSense

akurmapr-create·BattSense·hardware/schematics/BattSense_AFE/BattSense_AFE.kicad_pcb

BattSense PCB layout, top view — open source ESP32 board by akurmapr-create

About the BattSense PCB

BattSense is an open source ESP32 PCB design by akurmapr-create, published on GitHub under the MIT license. It is a 2-layer board measuring 34.6 × 65.4 mm, with 9 components from 7 distinct parts.

Its main chip is the ESP32_LEFT, from the ESP32 family. By type, the board carries 5 resistors and 4 connectors.

It belongs with the displays & leds and power & battery designs in this gallery.

From the project

Modular battery telemetry platform built using the ESP32.ESP32 Li-ion battery monitor with SoC estimation, a custom KiCad PCB, OLED interface, and unit-tested firmware.

ESP32 Li-ion battery monitor with voltage-based state-of-charge estimation, a custom KiCad PCB, OLED interface, and unit-tested firmware.

BattSense is an embedded battery-monitoring system for a single-cell Li-ion battery. It measures battery voltage through a resistive analog front end, estimates battery state of charge (SoC), and displays the result locally on an OLED.

BattSense, from the project README
From the project README

BattSense bill of materials (BOM)

9 components, 7 distinct parts.

QtyPartRefs
1
Battery
J1
1
ESP32_LEFT
J2
1
ESP32_RIGHT
J3
1
OLED
J4
2
10k
R1, R4
1
6.8k
R2
2
3.3k
R3, R5

BattSense design files

The KiCad project lives in the akurmapr-create/BattSense repository on GitHub; these links point at the commit this page was built from.

BattSense: common questions

What microcontroller does the BattSense use?

The BattSense is built around the ESP32_LEFT, from the ESP32 family.

How big is the BattSense PCB?

The BattSense measures 34.6 × 65.4 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the BattSense?

9 components, from 7 distinct parts. The full bill of materials is listed on this page.

Where can I download the BattSense design files?

From the akurmapr-create/BattSense repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the BattSense design in my own project?

Yes, under the terms of its MIT license, which akurmapr-create chose for the repository.

Can I test firmware for the BattSense 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.

Similar boards