2 open source boards using the SC77526
Real designs built with the SC77526, 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.
TRS-80 Color Computer 3
qbancoffee
280 × 156.3 mm205 parts2LGPL-3.040
TRS-80 Color Computer 2 NTSC ( 26-3134B & 26-3136B)
230 × 170 mm150 parts2LGPL-3.040
The SC77526 in open source designs
The gallery holds 2 open source boards using the SC77526 from 1 GitHub repository; a typical one measures about 255 × 163.1 mm and carries around 178 components.
100% are two-layer designs, the rest use four layers or more, and 100% carry an open source license.
The most starred is TRS-80 Color Computer 3 by qbancoffee.
SC77526: common questions
Where can I find a SC77526 reference design?
Each of the 2 boards on this page is a real design using the SC77526. 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 SC77526?
The median is 255 × 163.1 mm, and 100% are two-layer designs.
What is the most popular open source board using the SC77526?
By GitHub stars, TRS-80 Color Computer 3 by qbancoffee, with 40 stars.
Can I simulate one of these boards using the SC77526 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.