2 layers129 × 105.3 mm

PCB alarm system internal pullup
TheMipmap/ESP32-Alarm-Notifier
An ESP32-based system for monitoring 24V alarm signals using optocouplers.
12 partsMIT
Open-source boards designed in KiCad by TheMipmap on GitHub, from 1 repository. A board’s address here is its repository’s there.

TheMipmap/ESP32-Alarm-Notifier
An ESP32-based system for monitoring 24V alarm signals using optocouplers.