The Snapino kit is $49.95. The base Snap Circuits 100 kit, which lets you power an electric fan, make music and alarms, and more, costs $34.95.

Original Circuit Diagram: Arduino UNO R3 Now, have a look at our favorite Arduino UNO to find out the AVR chip inside. It is ATMega328P-PU, a low-power version of the traditional ATMega328-PU. The P ...

Learn to build an RFID based attendance system using Arduino with step-by-step instructions, circuit diagrams, and complete code. This $35 DIY project replaces expensive commercial systems with ...

The kit comes with Arduino Mega, which will serve as the brain, along with ESP8266 Wi-Fi Shield for remote control, a motor driver to control movement, and a battery holder. A voltage meter and power ...

How long can you keep an Arduino circuit running on three AA batteries? With careful design, [educ8s] built a temperature sensor that lasts well over a year on a single charge of three 2250 mAH rec… ...

This project presents the design and implementation of a dual-fan PWM cooling circuit, integrating a compact and efficient power supply with intelligent fan speed regulation. The circuit consists of ...