Plug the RFID module into the breadboard with enough space around it. Connect the VCC pin to the Arduino's 3.3V (not 5V), and ...

In the above circuit diagram, you can clearly see the complete layout. The generated sine wave (carrier wave) is fed into the base of the transistor with the help of a coupling capacitor. The base is ...

A simple IoT-based system that monitors room temperature in real-time using a NodeMCU and temperature sensor. Data is sent to a server via Wi-Fi, stored in a MySQL database, and displayed on a web ...

💧 Monitoring water tanker level using NodeMCU ESP8266 and HC-SR04P Ultrasonic Sensor and broadcasting it using a simple HTTP server inside NodeMCU ESP8266 and show data in an Android App Using ...

A Binary Adder is a digital circuit that performs the arithmetic binary addition of two numbers for the logic operations and laws of Boolean Algebra. The adders are used in combinational circuit ...