2 open source boards using the AT42QT2120-MMHR
Real designs built with the AT42QT2120-MMHR, 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.
FlexAddressLedsV2
RobotPatient
100 × 81.7 mm580 parts2LMIT0
RP2040/RP2350Wacca Touch Panel
FizzyApple12
254.9 × 231.1 mm101 parts2LNo license32
The AT42QT2120-MMHR in open source designs
The gallery holds 2 open source boards using the AT42QT2120-MMHR from 2 GitHub repositories; a typical one measures about 177.4 × 156.4 mm and carries around 341 components.
100% are two-layer designs, the rest use four layers or more, and 50% carry an open source license.
The most starred is Wacca Touch Panel by FizzyApple12.
Microcontrollers on boards using the AT42QT2120-MMHR
AT42QT2120-MMHR: common questions
Where can I find a AT42QT2120-MMHR reference design?
Each of the 2 boards on this page is a real design using the AT42QT2120-MMHR. 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 AT42QT2120-MMHR use?
Most are built on RP2040/RP2350 (1).
How big is a typical board using the AT42QT2120-MMHR?
The median is 177.4 × 156.4 mm, and 100% are two-layer designs.
What is the most popular open source board using the AT42QT2120-MMHR?
By GitHub stars, Wacca Touch Panel by FizzyApple12, with 32 stars.
Can I simulate one of these boards using the AT42QT2120-MMHR 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.