Arduino-based quadrature decoder for use with picomotors. Authors : Sydney Lybert, Andrew Micklich and Minho Kwon. Thanks to Sydney Lybert and Andrew Micklich for their early contribution. Latest ...

Open a sketch in the Arduino IDE and verify it. Upload the sketch to your ESP8266/ESP32 board. Open the Serial Monitor view to monitor the output for exceptions.; When an exception occurs, open the ...

The Arduino uses a shift register to interact with the keyboard’s 8×10 matrix, and the sketch translates any serial data it receives into the keypresses the clone is expecting.

In this tutorial we are going to use the TSOP1838 IR receiver to build an IR Remote Decoder using Arduino. The hex code for every button will be logged to Microsoft Excel Sheet. This simple IR Remote ...

Arduino and RFID Reader have been used here to control a Electronic Door Lock (from Ebay). Blue color in RGB LED indicates the “Ready” status here, RED LED glow if any invalid card has been detected ...

The security flaws on this common hotel keycard lock are nothing short of face-palmingly stupid. Look closely at the picture above. This is a hotel room door swinging open. The device he holds in h… ...

If you need a reminder not to put your complete trust in standard combination locks, here it is. Samy Kamkar, who once also engineered software that can hijack drones, created a motorized lock ...