Project Hub
Hands-on Arduino projects with components, circuit diagrams, and copy-ready code.
💡Smart Night Light
Auto LED that switches with ambient light.
🌦️Mini Weather Station
Temperature & humidity on an OLED.
🤖Line Follower Robot
A small robot that follows a black line.
🔔Wireless Doorbell
Press a button, play a tune on a buzzer.
🌱Plant Watering Alert
Buzz when the soil gets too dry.
🚗Parking Sensor
Beep faster as you get closer to a wall.
🚦Traffic Light Simulator
Classic red-yellow-green sequence with timing.
🌈RGB Mood Lamp
Smooth color-fading lamp with a common-cathode RGB LED.
🔥Fire Alarm System
Detect flames and sound an alarm with a red LED.
🧪Gas Leak Detector
Monitor air quality with an MQ-2 sensor.
🌧️Rain Detector
Sense raindrops and warn before your laundry gets wet.
🤖Obstacle Avoiding Robot
A robot that turns away from walls using ultrasonic sensing.
📱Bluetooth Controlled Car
Drive a robot from a phone over HC-05 Bluetooth.
🔐RFID Door Lock
Unlock a servo lock with an RFID card.
🌬️Temperature Controlled Fan
Fan speed scales with room temperature.
❤️Heart Rate Monitor
Measure BPM with a pulse sensor on the OLED.
🕒Digital Clock with RTC
Accurate clock using a DS3231 module on an LCD.
🔢Keypad Password Lock
Type a 4-digit code to open a servo lock.
👟Step Counter
Count steps with an MPU6050 accelerometer.
✋Gesture Controlled Light
Wave your hand to toggle a lamp via an IR sensor.