Project library

Find your next build

Start with a green dot if this is your first circuit. Each project tells you exactly what you need, how long it takes and what you will learn along the way.

Showing 10 of 10 projects

🚦🟒 Beginner

Traffic Light

Build a real working traffic light that cycles red, yellow and green β€” your first timing project.

30 min 5 parts
Arduino UnoRed / Yellow / Green LED3 Γ— 220Ξ© resistor+2 more
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πŸŒ™πŸŸ’ Beginner

Smart Night Light

A light that switches itself on when the room gets dark β€” your first project that senses the world.

40 min 6 parts
Arduino UnoLDR (photoresistor)10kΞ© resistor+3 more
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πŸ“‘πŸŸ‘ Intermediate

Ultrasonic Radar

A sweeping radar that measures distance while a servo turns the sensor left and right.

1.5 hrs 5 parts
Arduino UnoHC-SR04 ultrasonic sensorSG90 servo+2 more
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🌑️🟑 Intermediate

Mini Weather Station

Measure temperature and humidity and show them live on an LCD screen.

1 hr 5 parts
Arduino UnoDHT11 sensor module (3-pin)16Γ—2 I2C LCD+2 more
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πŸš—πŸ”΄ Advanced

Obstacle-Avoiding Car

A robot car that drives on its own and steers away from walls and furniture.

3 hrs 7 parts
Arduino UnoL298N motor driver2 Γ— DC gear motor+4 more
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πŸ¦ΎπŸ”΄ Advanced

Servo-Controlled Robot Arm

A three-joint arm you steer with knobs β€” base, elbow and gripper.

2.5 hrs 5 parts
Arduino Uno3 Γ— SG90 servo3 Γ— potentiometer+2 more
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🎡🟑 Intermediate

LED Music Visualizer

LEDs that dance up and down with the beat of your favourite song.

1 hr 4 parts
Arduino UnoSound sensor / electret module8 Γ— LED or LED bar+1 more
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🎲🟒 Beginner

Electronic Dice

Press the button and seven LEDs light up in a real dice pattern from one to six.

45 min 6 parts
Arduino Uno7 Γ— LED7 Γ— 220Ξ© resistor+3 more
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🚨🟒 Beginner

Temperature Alarm

A buzzer and flashing light that warn you when something gets too hot.

40 min 5 parts
Arduino UnoTMP36 or DHT11Piezo buzzer+2 more
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πŸ πŸ”΄ Advanced

Mini Smart Home

A cardboard house with automatic lights, a motion-sensing door and a climate display.

4 hrs 8 parts
Arduino UnoPIR motion sensorDHT11+5 more
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