2 open source boards using the BQ21040DBVR
Real designs built with the BQ21040DBVR, 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.
Nordic nRFXD-keyboard
samdoes-stuff
269.7 × 107.9 mm172 parts2LNo license1
PCB B
dragondgold
54 × 54 mm75 parts2LGPL-3.01
The BQ21040DBVR in open source designs
The gallery holds 2 open source boards using the BQ21040DBVR from 2 GitHub repositories; a typical one measures about 161.8 × 81 mm and carries around 124 components.
100% are two-layer designs, the rest use four layers or more, and 50% carry an open source license.
The most starred is XD-keyboard by samdoes-stuff.
Microcontrollers on boards using the BQ21040DBVR
What boards using the BQ21040DBVR are built for
BQ21040DBVR: common questions
Where can I find a BQ21040DBVR reference design?
Each of the 2 boards on this page is a real design using the BQ21040DBVR. 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 BQ21040DBVR use?
Most are built on Nordic nRF (1).
How big is a typical board using the BQ21040DBVR?
The median is 161.8 × 81 mm, and 100% are two-layer designs.
What is the most popular open source board using the BQ21040DBVR?
By GitHub stars, XD-keyboard by samdoes-stuff, with 1 stars.
Can I simulate one of these boards using the BQ21040DBVR 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.