2 open source boards using the TP4057-42-SOT26-R
Real designs built with the TP4057-42-SOT26-R, 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.
ESP32
Tokay lite
maxlab-io
70 × 70 mm146 parts4LCERN-OHL-P-2.0126ESP32
Esp32-tv hardware
atomic14
48 × 35.1 mm79 parts4LNo license29
The TP4057-42-SOT26-R in open source designs
The gallery holds 2 open source boards using the TP4057-42-SOT26-R from 2 GitHub repositories; a typical one measures about 59 × 52.5 mm and carries around 113 components.
100% use four copper layers or more, and 50% carry an open source license.
The most starred is Tokay lite pcb by maxlab-io.
Microcontrollers on boards using the TP4057-42-SOT26-R
What boards using the TP4057-42-SOT26-R are built for
TP4057-42-SOT26-R: common questions
Where can I find a TP4057-42-SOT26-R reference design?
Each of the 2 boards on this page is a real design using the TP4057-42-SOT26-R. 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 TP4057-42-SOT26-R use?
Most are built on ESP32 (2).
How big is a typical board using the TP4057-42-SOT26-R?
The median is 59 × 52.5 mm, and 0% are two-layer designs.
What is the most popular open source board using the TP4057-42-SOT26-R?
By GitHub stars, Tokay lite pcb by maxlab-io, with 126 stars.
Can I simulate one of these boards using the TP4057-42-SOT26-R 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.