7 open source boards using the 7555
Real designs built with the 7555, 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.
555 badge
ShawnHymel
53.9 × 85.6 mm15 parts2LNo license9
Sbc6120-rbc front panel submini
djtersteegc
200.7 × 106.7 mm100 parts2LGPL-2.06
555 Badge Panel v02
188 × 279.4 mm15 parts2LNo license9
SBC6120 Mini Front Panel
198.1 × 121.3 mm96 parts2LGPL-2.06
555 timer2
HrishikeshMRao
56.9 × 80.5 mm10 parts2LNo license2
Blinky
AravinthPanch
36.8 × 49.5 mm7 parts2LApache-2.016
GettingToBlinky
axello
35.6 × 35.6 mm7 parts2LNo license1
The 7555 in open source designs
The gallery holds 7 open source boards using the 7555 from 5 GitHub repositories; a typical one measures about 56.9 × 85.6 mm and carries around 15 components.
100% are two-layer designs, the rest use four layers or more, and 43% carry an open source license.
The most starred is Blinky by AravinthPanch.
What boards using the 7555 are built for
7555: common questions
Where can I find a 7555 reference design?
Each of the 7 boards on this page is a real design using the 7555. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
How big is a typical board using the 7555?
The median is 56.9 × 85.6 mm, and 100% are two-layer designs.
What is the most popular open source board using the 7555?
By GitHub stars, Blinky by AravinthPanch, with 16 stars.
Can I simulate one of these boards using the 7555 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.