A handheld RFID & NFC test instrument optimized for untethered use in the field
A tap-to-read NFC tag that logs temperature and humidity
A wireless, open source, ESP32-based fingerprint sensor with optional NFC
An open source, privacy friendly, compact GNSS receiver with ESP32 and NFC for all your location based projects, including tracking surveillance cameras
A small, open source e-paper display that is updated and powered wirelessly via NFC
