The PIR library implements a class to monitor 1 or more PIR sensors. The library supports default 8 PIR sensors per object, which typically are added in setup (). It is possible to add a sensor (pin) ...

This 24GHz millimeter-wave radar sensor employs a frequency-modulated continuous-wave (FMCW) radar featuring multi-mode modulation and separate transmit and receive antennas. The radar sensor can ...

Learn how to interface ESP32 thermal printer with complete tutorial. Includes PNP-500 wiring, Arduino code, circuit diagrams, and projects for receipt printing, barcodes, and QR codes. Perfect for ...

Electrical energy increases its vast area day by day. Just like water it becomes necessary to save power for betterment of our future. So, an idea came into our minds why not we develop a technique ...