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Use a Bluetooth module to replace a traditional wired connection for transmitting serial data.
View Serial Monitor Over Bluetooth
Use a joystick to control a classic drawing toy through two DC motors.
Etch A Sketch Joystick
I found limited documentation on the usage of a color sensor I recently purchased, so here is my attempt to make it more simple.
Arduino Color Recognition
Record and play back a few seconds of input stored in EEPROM.
Simple Record and Playback
This project uses an ultrasonic distance sensor to create a pocket of wave interference where a small object can be levitated.
Mini Acoustic Levitation
This is an Arduino controlled rubber band Gatling gun. It can hold about 20 rubber bands and it is operated with a USB game controller.
Rubber Band Gatling Gun Turret (Arduino)
A standard speaker can be used to detect vibrations and send data to a microcontroller.
DIY Shock Sensor with a Speaker
This project allows you to draw your own controller to be used with anything. It utilizes capacitive sensing and graphite's conductivity.
Arduino Paper Controller (Buttons + Slider)
Arduino UNO & Genuino UNO
Arduino Mega 2560 & Genuino Mega 2560
Arduino Nano R3
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