5 open source boards using the MC78M05_TO252
Real designs built with the MC78M05_TO252, 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.
HSMC-GPIO
calebreister
63.5 × 78.1 mm113 parts2LCC-BY-SA-4.04
AVR/ArduinoLEC009002
LECTIX
69 × 32 mm30 parts2LCERN-OHL-S-2.00
LEC011001-Relais-Temporise-3min30
68.6 × 31.8 mm24 parts2LCERN-OHL-S-2.00
LEC011102-Relais-Temporise-10min
68.3 × 32.7 mm24 parts2LCERN-OHL-S-2.00
IcE1usb RS422 extension
osmocom
37.5 × 32.5 mm52 parts4LNo license9
The MC78M05_TO252 in open source designs
The gallery holds 5 open source boards using the MC78M05_TO252 from 5 GitHub repositories; a typical one measures about 68.3 × 32.5 mm and carries around 30 components.
80% are two-layer designs, the rest use four layers or more, and 80% carry an open source license.
The most starred is IcE1usb RS422 extension by osmocom.
Parts used alongside the MC78M05_TO252
Microcontrollers on boards using the MC78M05_TO252
What boards using the MC78M05_TO252 are built for
MC78M05_TO252: common questions
Where can I find a MC78M05_TO252 reference design?
Each of the 5 boards on this page is a real design using the MC78M05_TO252. 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 MC78M05_TO252 use?
Most are built on AVR/Arduino (1).
How big is a typical board using the MC78M05_TO252?
The median is 68.3 × 32.5 mm, and 80% are two-layer designs.
What is the most popular open source board using the MC78M05_TO252?
By GitHub stars, IcE1usb RS422 extension by osmocom, with 9 stars.
Can I simulate one of these boards using the MC78M05_TO252 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.