circuito.io's Arduino Day Prank Contest

circuito.io presents: April Fools' Day meets Arduino Day Prank contest! Share your most ridiculous and creative pranks made with circuito.io

This contest is over! Want more chances to win prizes? Check out our active contests.

Winning entries

1st prize - Best Prank ever!

The Troll Switch
Easy
  • 208
  • 2

Full instructions

Turn Off the light, and it will turn ON: endless fun!

2nd+3rd prize - Good laugh

Pranked! Moving Tissue Box | Circuito.io
Easy
  • 1,688
  • 12

Full instructions

When someone goes for a quick facial tissue, the box moves away unexpectedly!

2nd+3rd prize - Good laugh

No Candy For YOU!!
Intermediate
  • 149
  • 4

Full instructions

A prank candy bowl that senses when someone tries to reach for a piece and automatically empties before they can get one.

Judges' Favorites

Inflate with a Broken Balloon
Easy
  • 511
  • 7

Full instructions

I made trick toy using circuito.io. A broken balloon is not garbage.

Judges' Favorites

Automatic Fear 1.0
Intermediate
  • 734
  • 5

Full instructions

A device capable of frightening my sister and with compatibility with other members of the family

Judges' Favorites

PrankChair THE BEST ARRIL FOOLS PRANK!
Advanced
  • 613
  • 3

Full instructions

PrankChair is a chair which looks normal but is too abnormal! ;)

Judges' Favorites

Arduino Darkness Activated Ghost
Advanced
  • 923
  • 5

Full instructions

Ever wondered if you could build a device to scare your friends? Well here you have transform your room into a haunted house, making a ghost

Judges' Favorites

Cool Arduino Prank with Circuito.io
Easy
  • 141
  • 11

Full instructions

This is a fun and relatively simple prank that is ideal to use anywhere. It is fairly simple to build using circuito.io and arduino.

Other entries

Android Remote Control Car Using Bluetooth
Easy
  • 966
  • 8

Build a Bluetooth controlled model car and drive it with your Android device.

Motion-triggered Confetti Cannon
Intermediate
  • 705
  • 6

Full instructions

Confetti everywhere! Who doesn't love confetti? (um...everyone?) Place the cannon in a strategic place and surprise your friends passing by!

Meow Power!!!
Easy
  • 583
  • 3

Protip

This is what happens when you prank the animal kingdom.

Arduino Prank Box (Just open it)
Easy
  • 57
  • 1

Full instructions

Whenever you are going to open that prank box a music will be played with huge sound and shock you. you can gift this to anyone for prank.

Noisy Cricket
  • 50
  • 1

A simple office prank circuit to drive your co-workers crazy!

ARCS - Arduino Razzberry Cushion Simulator
Easy
  • 47
  • 1

Full instructions

An "abandoned-project-components-recycling-project": "High tech" implementation of a classic non-electric nonsense fun prank device.

Do not water me! (Prank!)
Intermediate
  • 11
  • 0

Some plants would like to water you back when you overwater them. (Alias: reversed automated watering system.)

Did you hear that?
  • 9
  • 0

A great little annoyer where the victim trips a sensor which starts a remote random buzzing/beeping noise. Keeping them looking for hours!

Balancing plate using Simulink a USB6008  and Fuzzy Logic
Intermediate
  • 17
  • 0

How to use the SCA100 and an Adqusition board USB 6008

Scientist's Smartwatch
  • 10
  • 0

A smartwatch that in addition contains a reader so u can attach almost any sensor or even resistors to compare values displayed on the watch

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