4 open source boards using the HT7550-1
Real designs built with the HT7550-1, 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.
AVR/ArduinoMegadesk
gcormier
41.7 × 32.2 mm23 parts2LGPL-3.0818
Twomes opentherm monitor hardware
energietransitie
31.1 × 34.5 mm28 parts2LCERN-OHL-P-2.03
RP2040/RP2350Space
ThisIsNotRocketScience
119.4 × 110.4 mm249 parts4LMIT87
HLW8032 Click
michpro
25.4 × 57.2 mm37 parts2LCERN-OHL-P-2.03
The HT7550-1 in open source designs
The gallery holds 4 open source boards using the HT7550-1 from 4 GitHub repositories; a typical one measures about 36.4 × 45.8 mm and carries around 33 components.
75% are two-layer designs, the rest use four layers or more, and 100% carry an open source license.
The most starred is Megadesk by gcormier.
Microcontrollers on boards using the HT7550-1
What boards using the HT7550-1 are built for
HT7550-1: common questions
Where can I find a HT7550-1 reference design?
Each of the 4 boards on this page is a real design using the HT7550-1. 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 HT7550-1 use?
Most are built on AVR/Arduino (1) and RP2040/RP2350 (1).
How big is a typical board using the HT7550-1?
The median is 36.4 × 45.8 mm, and 75% are two-layer designs.
What is the most popular open source board using the HT7550-1?
By GitHub stars, Megadesk by gcormier, with 818 stars.
Can I simulate one of these boards using the HT7550-1 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.