2 open source boards using the TCA9803
Real designs built with the TCA9803, 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.
PICVFD Clock
drewsum
200 × 50 mm458 parts2LNo license1
PICNixie Clock
200 × 50 mm322 parts4LNo license0
The TCA9803 in open source designs
The gallery holds 2 open source boards using the TCA9803 from 2 GitHub repositories; a typical one measures about 200 × 50 mm and carries around 390 components.
50% are two-layer designs, the rest use four layers or more, and 0% carry an open source license.
The most starred is VFD Clock by drewsum.
Parts used alongside the TCA9803
Microcontrollers on boards using the TCA9803
What boards using the TCA9803 are built for
TCA9803: common questions
Where can I find a TCA9803 reference design?
Each of the 2 boards on this page is a real design using the TCA9803. 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 TCA9803?
The 74LVC1G97, 74VHC541, DS1683, DS3231MZ and FT234XD appear in the most repositories here.
Which microcontrollers do boards using the TCA9803 use?
Most are built on PIC (2).
How big is a typical board using the TCA9803?
The median is 200 × 50 mm, and 50% are two-layer designs.
What is the most popular open source board using the TCA9803?
By GitHub stars, VFD Clock by drewsum, with 1 stars.
Can I simulate one of these boards using the TCA9803 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.