4-Digit 7-Segment Counter
4-Digit 7-Segment Stopwatch Display
LCD Stopwatch Display
Digital Voltmeter with 7-Segment Display (0–5 V Max)
Digital Clock with 7-Segment Display
Digital Calendar on LCD
Single-Counter Queue System with 7-Segment Display and Audio Alert
LCD Touchscreen Calculator
Four-Way Distance Measurement Using Ultrasonic Sensors
Single-Door People Counter
Dual-Door People Counter
Temperature and Humidity Monitoring with DHT11 Sensor
Ultrasonic Distance Measurement
Digital Thermometer with LCD Touchscreen Display
4-Channel Digital Thermometer
Digital Thermometer with Thermocouple Sensor
3-Channel Temperature Monitor: DS18B20, LM35, and Thermocouple
2-Channel Temperature Monitor: DS18B20 and LM35
Digital Thermometer with Bargraph Display
Interfacing Arduino with Rain Sensor
Interfacing Arduino with Vibration Sensor
Interfacing Nokia 5110 LCD
Interfacing Arduino with PIR Motion Sensor
Temperature Monitoring with Nokia 5110 LCD
Digital Clock with Nokia 5110 LCD
DC Motor RPM Measurement
3-Button Thermostat with LCD Display
DC Motor RPM Control
Tank Level Control System
Light-Following Robot
Line-Following Robot
PC-Controlled Robotic Arm
Automated Car Parking System
Arduino Serial Communication with GSM Modem
Sending SMS Using Arduino
Receiving SMS Using Arduino
4-Relay Control via Infrared Remote
Piano Keyboard Simulator
Setpoint Configuration Without Keypad (via Serial/PC)
Reading Infrared Remote Control Data
Magnetic Door Alarm System for Home Security
DC Motor Speed Control Using Potentiometer
Servo Motor Position Control Using Potentiometer
Text Display on 8x8 Dot Matrix
Scrolling Text on 8x8 Dot Matrix
I2C LCD Interfacing with Arduino
DS18B20 Temperature Monitoring on LCD
Joystick Interfacing with Arduino
Joystick Interfacing with Arduino (Alternative Implementation)
MP3 Audio Player Interfacing
PC-Controlled 4-Relay System