Not a cloud in sight.
You can do a lot with a microcontroller and a 3D printer ...
WiFi 6, Bluetooth 5.x LE, and an 802.15.4 radio for Zigbee, Thread, and Matter, as well as two 9-pin headers offering up to ...
Building an automated attendance system using ESP32-CAM is a practical, affordable way to solve this problem for classrooms, ...