10 open source boards using the TC4426
Real designs built with the TC4426, 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.
NXP
LPC176x MultiFunction
RobertPHeller
156.2 × 168.9 mm223 parts2LCC-BY-4.024ESP32
ESP32-S3-MegaMultiFunction
RobertPHeller
165.1 × 132.1 mm238 parts2LCC-BY-4.03ESP32
ESP32-S3-MultiFunction
RobertPHeller
99.1 × 125.7 mm141 parts2LCC-BY-4.03ESP32
ESP32-D0WD-V3-MultiFunction
RobertPHeller
104.1 × 127 mm137 parts2LCC-BY-4.03TivaMultiFunctionBoard
RobertPHeller
76.2 × 153.7 mm114 parts2LCC-BY-4.024ESP32
ESP32-S3-MultiFunction wroom
RobertPHeller
99.1 × 125.7 mm127 parts2LCC-BY-4.03PocketBeagleMultifuntion
RobertPHeller
128.3 × 139.7 mm111 parts2LCC-BY-4.024ESP32
ESP32-T7S3-MultiFunction
RobertPHeller
99.1 × 125.7 mm116 parts2LCC-BY-4.03ESP32
ESP32-MultiFunction
RobertPHeller
104.1 × 127 mm109 parts2LCC-BY-4.03ESP32
ESP32-T7S3-MultiFunctionUniversalTurnout
RobertPHeller
99.1 × 125.7 mm102 parts2LCC-BY-4.03
The TC4426 in open source designs
The gallery holds 10 open source boards using the TC4426 from 2 GitHub repositories; a typical one measures about 101.6 × 127 mm and carries around 122 components.
100% are two-layer designs, the rest use four layers or more, and 100% carry an open source license.
The most starred is LPC176x MultiFunction by RobertPHeller.
Parts used alongside the TC4426
What boards using the TC4426 are built for
TC4426: common questions
Where can I find a TC4426 reference design?
Each of the 10 boards on this page is a real design using the TC4426. 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 TC4426?
The 74HCT00, 74HCT14, LM2574N-3.3, LM2574N-5.0 and LM339 appear in the most repositories here.
Which microcontrollers do boards using the TC4426 use?
Most are built on ESP32 (7) and NXP (1).
How big is a typical board using the TC4426?
The median is 101.6 × 127 mm, and 100% are two-layer designs.
What is the most popular open source board using the TC4426?
By GitHub stars, LPC176x MultiFunction by RobertPHeller, with 24 stars.
Can I simulate one of these boards using the TC4426 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.