8 open source boards using the ATTINY85-20SU
Real designs built with the ATTINY85-20SU, 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.
STM32SuperPower-RPi
SensorsIot
65 × 56.5 mm98 parts2LCERN-OHL-W-2.0601
AVR/ArduinoSnopf
snopf
14 × 17.3 mm16 parts2LGPL-2.0145
AVR/ArduinoC64 Saver addon board
bwack
43.9 × 29 mm42 parts2LCERN-OHL-1.2123
AVR/ArduinoKeebcard
rsheldiii
61 × 36.8 mm14 parts2LNo license111
AVR/ArduinoMAUS
MAKERSUN99
32.6 × 19.4 mm14 parts2LGPL-3.039
AVR/ArduinoAvBadge 2020
AerospaceVillage
134.3 × 140 mm20 parts2LNo license29
AVR/ArduinoVm101-inout
mirdej
130 × 105 mm233 parts4LNo license23
AVR/ArduinoWavelab-24G-Addon module
PA0MHE
118.5 × 94.5 mm187 parts2LMIT5
The ATTINY85-20SU in open source designs
The gallery holds 8 open source boards using the ATTINY85-20SU from 8 GitHub repositories; a typical one measures about 63 × 46.7 mm and carries around 31 components.
88% are two-layer designs, the rest use four layers or more, and 63% carry an open source license.
The most starred is SuperPower-RPi-KiCAD by SensorsIot.
Microcontrollers on boards using the ATTINY85-20SU
What boards using the ATTINY85-20SU are built for
ATTINY85-20SU: common questions
Where can I find a ATTINY85-20SU reference design?
Each of the 8 boards on this page is a real design using the ATTINY85-20SU. 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 ATTINY85-20SU use?
Most are built on AVR/Arduino (7) and STM32 (1).
How big is a typical board using the ATTINY85-20SU?
The median is 63 × 46.7 mm, and 88% are two-layer designs.
What is the most popular open source board using the ATTINY85-20SU?
By GitHub stars, SuperPower-RPi-KiCAD by SensorsIot, with 601 stars.
Can I simulate one of these boards using the ATTINY85-20SU 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.