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 ...

9V battery or USB–1 (Powering the Circuit) Circuit Diagram of Gas Leakage Detector Using Arduino. The circuit diagram for the gas leakage detector is simple and straightforward. Below, you can see the ...

This wiring diagram shows 120 V coming from L1 of a circuit breaker, through a switch, powering a boiler control and returning through L2, back to the neutral bar of the circuit breaker box. This is ...

Design of the Inclined Plane apparatus based on the research leader's proposed functionalities. Schematic Wiring of the two apparatus. Implementing the arduino code of Free Fall and Inclined Plane ...

This repository contains a collection of circuit designs for educational purposes using **Arduino** and simulated with **Tinkercad Circuits**. All board layouts are provided as `.brd` files for ...