🔑 Pradeep built a contactless attendance gate with our XIAO RP2040. Tap an NFC badge, the XIAO reads the UID, a Python script validates and logs it, and a servo opens the 3D-printed gate. Under $40, fully offline — no cloud.
Check it out on @hacksterio.bsky.social 👉 tinyurl.com/2s2xxw8r
