2 open source boards using the ATTINY85-20PU
Real designs built with the ATTINY85-20PU, 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.
AVR/ArduinoATtiny85 Charlieplex LED Grid
rjwalters
50 × 55 mm19 parts2LMIT63
AVR/ArduinoATtiny85 Charlieplex LED Grid
50 × 55 mm19 parts2LMIT63
The ATTINY85-20PU in open source designs
The gallery holds 2 open source boards using the ATTINY85-20PU from 1 GitHub repository; a typical one measures about 50 × 55 mm and carries around 19 components.
100% are two-layer designs, the rest use four layers or more, and 100% carry an open source license.
The most starred is ATtiny85 Charlieplex LED Grid by rjwalters.
Microcontrollers on boards using the ATTINY85-20PU
ATTINY85-20PU: common questions
Where can I find a ATTINY85-20PU reference design?
Each of the 2 boards on this page is a real design using the ATTINY85-20PU. 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 ATTINY85-20PU use?
Most are built on AVR/Arduino (2).
How big is a typical board using the ATTINY85-20PU?
The median is 50 × 55 mm, and 100% are two-layer designs.
What is the most popular open source board using the ATTINY85-20PU?
By GitHub stars, ATtiny85 Charlieplex LED Grid by rjwalters, with 63 stars.
Can I simulate one of these boards using the ATTINY85-20PU 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.