7 open source boards using the HM62256BLP
Real designs built with the HM62256BLP, 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.
TI99 22
danwerner21
350 × 224.3 mm242 parts2LNo license50
ESP32DevRamCart RevA
Danjovic
100 × 64.7 mm37 parts2LGPL-2.043
ESP32TI99 22
244 × 244 mm257 parts4LNo license4
Lomax ColorMagic Redux
RichCini
254 × 137.7 mm148 parts4LNo license1
AVR/ArduinoProgrammer
benanderman
99.6 × 59.9 mm106 parts2LMIT54
ESP32DevRam
100 × 64.7 mm36 parts2LGPL-2.043
TMS9918
michalin
100 × 100 mm20 parts2LGPL-3.041
The HM62256BLP in open source designs
The gallery holds 7 open source boards using the HM62256BLP from 6 GitHub repositories; a typical one measures about 100 × 100 mm and carries around 106 components.
71% are two-layer designs, the rest use four layers or more, and 57% carry an open source license.
The most starred is Programmer by benanderman.
Parts used alongside the HM62256BLP
Microcontrollers on boards using the HM62256BLP
What boards using the HM62256BLP are built for
HM62256BLP: common questions
Where can I find a HM62256BLP reference design?
Each of the 7 boards on this page is a real design using the HM62256BLP. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
What parts are used alongside the HM62256BLP?
The 74LS00, 74LS04, 74LS08, 74LS244 and 74LS32 appear in the most repositories here.
Which microcontrollers do boards using the HM62256BLP use?
Most are built on ESP32 (3) and AVR/Arduino (1).
How big is a typical board using the HM62256BLP?
The median is 100 × 100 mm, and 71% are two-layer designs.
What is the most popular open source board using the HM62256BLP?
By GitHub stars, Programmer by benanderman, with 54 stars.
Can I simulate one of these boards using the HM62256BLP 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.