Once upon a time, there was a bit of a fad for fingerprint authentication in laptops and desktop computers. It has long since ...

There are plenty of radios you can buy that pick up MW and SW bands if that’s what you’re into. Or, you can follow [mircemk]’s example, and whip one up yourself instead. The build employs an ESP32 as ...

Uses +CCHSTART / +CCHOPEN / +CCHSEND / +CCHRECV / +CCHCLOSE. Supports per-mux SSL certificate configuration via setCertificate(), setClientCertificate ...

The SIM900 Arduino Shield Library is a versatile and powerful Arduino library for interfacing with the SIM900 GSM/GPRS module. This library provides a wide range of functionalities for working with ...

Many times like a multimeter, I expected to have a handy serial terminal nearby such that I will connect those two wires [Tx, Rx] of the probe and will be able to see whether the sensor is really ...

With all the technology available to us in recent times, it's not hard to build a safety device for women which will not only generate an emergency alarm but also send a message to your friends, ...

This project is designed using normally-closed reed switches connected to doors and windows and additional passive infrared (PIR) motion sensors to detect movement of a burglar or an unwanted intruder ...

In this Arduino Mobile Phone Project, we have used Arduino Uno to control whole system’s features and interfacing all the components in this system. A 4x4 Alphanumeric Keypad is used for taking all ...