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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.
Simple piano project with 8 buttons and buzzer to play notes from C to high C. Teaches how to simulate a musical instrument by assigning different frequencies to each button.
Project that prints character by character on a 2x16 LCD screen and displays a looping message by clearing the screen. The LCD library teaches how to use the setCursor and print functions.
A project that creates an animation effect of the text moving left and right on the LCD screen and hitting the walls. Teaches dynamic setCursor positioning and text animation logic.
A project that displays the readings from the HC-SR04 distance sensor in cm in real time on a 2x16 LCD screen. It combines sensor data and LCD display.
Project showing numbers from 0 to 99 with a double digit 7 segment display. Teaches bit operations (bitRead) and one-digit-by-ten digit parsing logic.
Counter project that increases, decreases and resets the number on the 7 segment display with 3 buttons. Teaches boundary control and user interactive counter logic.
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
