Sending Sensor Data to Android Phone using Arduino and NRF24L01 over Bluetooth (BLE)

Bluetooth Low Energy (BLE) is a version of Bluetooth and it is present as a smaller, highly optimized version of the classic...

IoT Based Biometric Attendance system using Arduino and Thingsboard

Few years back if you were to tell someone that the Geyser and bedroom lights in your home are connected to internet, they...

How to Program ESP32 in MicroPython using Thonny IDE

MicroPython is a lightweight version of the Python programming language developed for programming microcontrollers, SOCs, and...

Sziklai Transistor Pair

Sziklai Transistor Pair was first designed by George Sziklai to overcome some efficiency related issues with Darlington pair,...

Programming Arduino using Platform IO

Development in Arduino and Arduino IDE has always been easy and fun with their simple user interface. The Arduino IDE is open-...

Charge Pump Circuit - Getting Higher Voltage from Low Voltage Source

The situation is simple – you have a low voltage supply rail, say 3.3V, and you want to power something that needs 5V. This is...

Programming NodeMCU ESP8266 Over-the-Air (OTA) using Arduino IDE

What is OTA Programming?

OTA Programming (Over the Air) is a process which allows devices to upgrade their firmware or software...

Simple Wireless Power Transmission Circuit to Glow an LED

The Wireless Electricity Transfer concept is not new. It was first demonstrated by Nikola Tesla in the year 1890. Nikola Tesla...

Simple Curve Tracer Circuit: Tracing the Curve for Resistor, Diode and Transistor

Most of electronics deals with Tracing Curves, be it the characteristic transfer curve for a feedback loop, a resistor’s...

Interfacing GT511C3 Finger Print Sensor (FPS) with Arduino

Biometrics has been used as a reliable authentication system for a long time now. Today there exist complex biometric systems...