14 open source boards using the HT75XX-1-SOT89
Real designs built with the HT75XX-1-SOT89, 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.
ESP32DoorbellCamPhy
mc-cat-tty
81.6 × 97.9 mm31 parts2LNo license3
RP2040/RP2350DC31 CHV Badge Board
car-hacking-village
137.3 × 128.4 mm100 parts2LNo license2
RP2040/RP2350CHV badge board
linted
137.3 × 128.4 mm100 parts2LNo license2
STM32Antdrive
edatki
32 × 20 mm24 parts2LMIT2
Jantteri right
OJ2016
63.8 × 63.8 mm89 parts2LNo license1
ESP32Brucon
jorisplusplus
0.1 × 0 mm693 parts4LNo license0
STM32Mixed-Signal STM32
cipher8-0
60.1 × 78 mm110 parts4LNo license0
STM32Air-Speed-Measurement-Board
Shadaab1904
50.1 × 57.7 mm38 parts2LMIT0
AVR/ArduinoVdo breakout
nagutierrez
47 × 48 mm30 parts4LCC-BY-NC-4.00
STM32Jantteri motor pwr
137.7 × 45 mm72 parts2LNo license1
STM32ICECART-GB
ice-bergtech
51.4 × 61 mm47 parts2LMPL-2.01
Jantteri secondary
90.6 × 20.3 mm58 parts2LNo license1
STM32Jantteri motor pwr old
40 × 80.7 mm52 parts2LNo license1
STM32Jantteri lora
40.2 × 17.5 mm24 parts2LNo license1
The HT75XX-1-SOT89 in open source designs
The gallery holds 14 open source boards using the HT75XX-1-SOT89 from 10 GitHub repositories; a typical one measures about 55.7 × 59.3 mm and carries around 55 components.
79% are two-layer designs, the rest use four layers or more, and 21% carry an open source license.
The most starred is DoorbellCamPhy by mc-cat-tty.
Parts used alongside the HT75XX-1-SOT89
Microcontrollers on boards using the HT75XX-1-SOT89
What boards using the HT75XX-1-SOT89 are built for
HT75XX-1-SOT89: common questions
Where can I find a HT75XX-1-SOT89 reference design?
Each of the 14 boards on this page is a real design using the HT75XX-1-SOT89. 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 HT75XX-1-SOT89?
The DRV8848, MCP2558FD-xMNY, RP2040, STM32F030F4Px and USBLC6-2SC6 appear in the most repositories here.
Which microcontrollers do boards using the HT75XX-1-SOT89 use?
Most are built on STM32 (7), ESP32 (2), RP2040/RP2350 (2) and AVR/Arduino (1).
How big is a typical board using the HT75XX-1-SOT89?
The median is 55.7 × 59.3 mm, and 79% are two-layer designs.
What is the most popular open source board using the HT75XX-1-SOT89?
By GitHub stars, DoorbellCamPhy by mc-cat-tty, with 3 stars.
Can I simulate one of these boards using the HT75XX-1-SOT89 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.