5 open source boards using the BQ24040DSQR
Real designs built with the BQ24040DSQR, from public GitHub projects: a quick way to see how others power, decouple and connect it. Each board comes with its KiCad files, full parts list and a render — and you can simulate its firmware on HardLabs.
STM32Ittypda
ingobeans
105 × 107.2 mm152 parts2LNo license1
Nordic nRFMacro-Keyboard v4
NikolasKelava
81 × 112.2 mm65 parts4LMIT1
RP2040/RP2350E-Ink-Badge
Acidicts
77.5 × 48.5 mm78 parts2LNo license0
ESP32GlucoBit
jdharcourt
55 × 30.4 mm43 parts4LNo license0
ESP32DevKitTell
25.5 × 62.8 mm26 parts4LMIT1
The BQ24040DSQR in open source designs
The gallery holds 5 open source boards using the BQ24040DSQR from 4 GitHub repositories; a typical one measures about 77.5 × 62.8 mm and carries around 65 components.
60% use four copper layers or more, and 40% carry an open source license.
The most starred is Ittypda by ingobeans.
Parts used alongside the BQ24040DSQR
Microcontrollers on boards using the BQ24040DSQR
What boards using the BQ24040DSQR are built for
BQ24040DSQR: common questions
Where can I find a BQ24040DSQR reference design?
Each of the 5 boards on this page is a real design using the BQ24040DSQR. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
Which microcontrollers do boards using the BQ24040DSQR use?
Most are built on ESP32 (2), Nordic nRF (1), RP2040/RP2350 (1) and STM32 (1).
How big is a typical board using the BQ24040DSQR?
The median is 77.5 × 62.8 mm, and 40% are two-layer designs.
What is the most popular open source board using the BQ24040DSQR?
By GitHub stars, Ittypda by ingobeans, with 1 stars.
Can I simulate one of these boards using the BQ24040DSQR before building it?
Yes. HardLabs turns a board's netlist and BOM into a working simulation, so you can boot and test firmware against it with no hardware on your desk.