2 open source boards using the LMR51420
Real designs built with the LMR51420, 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.
Bike line protocol
c4deszes
79.5 × 50 mm100 parts2LNo license1
ESP32StartrackerOrion-Hardware
NBER08
86.1 × 71.9 mm96 parts4LMIT0
The LMR51420 in open source designs
The gallery holds 2 open source boards using the LMR51420 from 2 GitHub repositories; a typical one measures about 82.8 × 61 mm and carries around 98 components.
50% are two-layer designs, the rest use four layers or more, and 50% carry an open source license.
The most starred is Bike line protocol by c4deszes.
Microcontrollers on boards using the LMR51420
LMR51420: common questions
Where can I find a LMR51420 reference design?
Each of the 2 boards on this page is a real design using the LMR51420. 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 LMR51420 use?
Most are built on ESP32 (1).
How big is a typical board using the LMR51420?
The median is 82.8 × 61 mm, and 50% are two-layer designs.
What is the most popular open source board using the LMR51420?
By GitHub stars, Bike line protocol by c4deszes, with 1 stars.
Can I simulate one of these boards using the LMR51420 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.