2 layers61.6 × 87.4 mm

555led
schoolllex/BlinkyBoard-L
This project was inspired by a Hack Club tutorial about making a PCB using a 555 timer and a decade counter.
19 parts
Open-source boards designed in KiCad by schoolllex on GitHub, from 2 repositories. A board’s address here is its repository’s there.

schoolllex/BlinkyBoard-L
This project was inspired by a Hack Club tutorial about making a PCB using a 555 timer and a decade counter.

schoolllex/ESPBoosted
A custom, feature-rich ESP32-WROOM-32 development board featuring built-in environmental sensors, power management, and expansion interfaces.