2 open source boards using the ATTINY25-20SU
Real designs built with the ATTINY25-20SU, 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.
AVR/Arduino2d xmas tree
designer2k2
97.2 × 99.7 mm32 parts2LMIT26
AVR/ArduinoLarge-Heart-PCB-LED-Pendant
SaltyPaws
202.4 × 142.2 mm32 parts2LMIT8
The ATTINY25-20SU in open source designs
The gallery holds 2 open source boards using the ATTINY25-20SU from 2 GitHub repositories; a typical one measures about 149.8 × 121 mm and carries around 32 components.
100% are two-layer designs, the rest use four layers or more, and 100% carry an open source license.
The most starred is 2d xmas tree by designer2k2.
Microcontrollers on boards using the ATTINY25-20SU
What boards using the ATTINY25-20SU are built for
ATTINY25-20SU: common questions
Where can I find a ATTINY25-20SU reference design?
Each of the 2 boards on this page is a real design using the ATTINY25-20SU. 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 ATTINY25-20SU use?
Most are built on AVR/Arduino (2).
How big is a typical board using the ATTINY25-20SU?
The median is 149.8 × 121 mm, and 100% are two-layer designs.
What is the most popular open source board using the ATTINY25-20SU?
By GitHub stars, 2d xmas tree by designer2k2, with 26 stars.
Can I simulate one of these boards using the ATTINY25-20SU 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.