2 open source boards using the PCF8523T/1,118
Real designs built with the PCF8523T/1,118, 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
CheetoPet
Cheet0sDelet0s
50.2 × 95.2 mm96 parts2LGPL-2.03RP2040/RP2350
Rp2040-timer
smaroukis
100 × 100 mm154 parts4LMIT0
The PCF8523T/1,118 in open source designs
The gallery holds 2 open source boards using the PCF8523T/1,118 from 2 GitHub repositories; a typical one measures about 75.1 × 97.6 mm and carries around 125 components.
50% are two-layer designs, the rest use four layers or more, and 100% carry an open source license.
The most starred is CheetoPet by Cheet0sDelet0s.
Microcontrollers on boards using the PCF8523T/1,118
What boards using the PCF8523T/1,118 are built for
PCF8523T/1,118: common questions
Where can I find a PCF8523T/1,118 reference design?
Each of the 2 boards on this page is a real design using the PCF8523T/1,118. 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 PCF8523T/1,118 use?
Most are built on ESP32 (1) and RP2040/RP2350 (1).
How big is a typical board using the PCF8523T/1,118?
The median is 75.1 × 97.6 mm, and 50% are two-layer designs.
What is the most popular open source board using the PCF8523T/1,118?
By GitHub stars, CheetoPet by Cheet0sDelet0s, with 3 stars.
Can I simulate one of these boards using the PCF8523T/1,118 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.