4 open source boards using the HLK-5M05
Real designs built with the HLK-5M05, 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.
ESP32Plc board
denorath-sys
100 × 80 mm62 parts4LCERN-OHL-W-2.05
ESP32Test backup
himanshu40304
100 × 30 mm30 parts2LNo license1
ESP32Converter
100 × 30 mm28 parts2LNo license1
ESP32Converter v9 plot temp
100 × 30 mm28 parts2LNo license1
The HLK-5M05 in open source designs
The gallery holds 4 open source boards using the HLK-5M05 from 2 GitHub repositories; a typical one measures about 100 × 30 mm and carries around 29 components.
75% are two-layer designs, the rest use four layers or more, and 25% carry an open source license.
The most starred is Plc board by denorath-sys.
Parts used alongside the HLK-5M05
Microcontrollers on boards using the HLK-5M05
What boards using the HLK-5M05 are built for
HLK-5M05: common questions
Where can I find a HLK-5M05 reference design?
Each of the 4 boards on this page is a real design using the HLK-5M05. 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 HLK-5M05 use?
Most are built on ESP32 (4).
How big is a typical board using the HLK-5M05?
The median is 100 × 30 mm, and 75% are two-layer designs.
What is the most popular open source board using the HLK-5M05?
By GitHub stars, Plc board by denorath-sys, with 5 stars.
Can I simulate one of these boards using the HLK-5M05 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.