If you are searching for an easy way to add biometric fingerprint sensor to your project you may be interested in a new wireless open source ESP32-based fingerprint module equipped with NFC created by ...
Following on from its unveiling earlier this year the Chhavi open source, wireless ESP32-based fingerprint lock sensor with optional NFC is now available to purchase from the Crowd Supply website from ...
I've been playing around with a couple of ESP32 microcontrollers, and that experimentation has taught me a lot about sensors and what you can build for really, really cheap. For as little as $4, you ...