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Hundreds of projects from beginner to advanced — schematics, code, and videos.
Project that controls a 220V light bulb with a push button using a relay module. Teaches the basics of high voltage switching with relay.
A project that turns a 220V light bulb on and off (toggle) at each button press with a relay module. Teaches permanent switching logic with relay and state variable.
Project that turns 220V light bulb on and off via relay with power and mute buttons of IR remote control. Combines infrared control with high voltage switching.
Advanced security system that activates the alarm when the laser beam is interrupted and can be reset by push button or IR control. Teaches multiple input source and state management.
Advanced security project that uses flame sensor and gas sensor together and alarms with flashing LED and buzzer when fire or gas leakage is detected.
Security project that opens the door with servo if it is correct by entering a password with a 4x4 keypad and turns on a red LED if it is wrong. Teaches password comparison and servo-LCD-keypad integr
Autonomous plant irrigation system that works 24/7 with two 18650 batteries and LM2596 regulator without tiring Arduino. It automatically manages the water motor by continuously measuring soil moistur
Smart Electronic Safe is an Arduino based password protected security system. It opens and closes the servo motor controlled lock mechanism with a 4-digit password entered via the 4x4 keypad and trans
