7 open source boards using the KA78M05_TO252
Real designs built with the KA78M05_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.
OCXO
F6ITU
50 × 50 mm16 parts2LNo license8
Cardshark
slobworks
237 × 70.5 mm75 parts4LMIT2
AVR/ArduinoMentor
50 × 100 mm48 parts2LNo license2- schematic only · 69 parts
Eurorack-3310-ADSR
DIYSynthMNL
69 partsNo license2 
AVR/ArduinoMain board
ARTS-Laboratory
40.6 × 82.6 mm32 parts2LCC-BY-SA-4.00
AVR/ArduinoDual mentor
100 × 100 mm48 parts2LNo license2
LV Sensor
Gregification
186.7 × 123.9 mm68 parts2LMIT5
The KA78M05_TO252 in open source designs
The gallery holds 7 open source boards using the KA78M05_TO252 from 6 GitHub repositories; a typical one measures about 75 × 91.3 mm and carries around 48 components.
83% are two-layer designs, the rest use four layers or more, and 43% carry an open source license.
The most starred is OCXO by F6ITU.
Microcontrollers on boards using the KA78M05_TO252
What boards using the KA78M05_TO252 are built for
KA78M05_TO252: common questions
Where can I find a KA78M05_TO252 reference design?
Each of the 7 boards on this page is a real design using the KA78M05_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 KA78M05_TO252 use?
Most are built on AVR/Arduino (3).
How big is a typical board using the KA78M05_TO252?
The median is 75 × 91.3 mm, and 83% are two-layer designs.
What is the most popular open source board using the KA78M05_TO252?
By GitHub stars, OCXO by F6ITU, with 8 stars.
Can I simulate one of these boards using the KA78M05_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.