2 layers55 × 55 mm

Prismo
nu31hackerspace/prismo
Open-source $10 NFC/RFID door access controller for hackerspaces and makerspaces. ESP32-C3 + PN532, MQTT, Home Assistant, self-hosted
29 parts39MIT
KiCad boards from 1 GitHub repository tagged “access-control-system”, the most starred first; open any of them in PCBKit.

nu31hackerspace/prismo
Open-source $10 NFC/RFID door access controller for hackerspaces and makerspaces. ESP32-C3 + PN532, MQTT, Home Assistant, self-hosted