Gaming is one of the best ways to relax and refresh the mind. Classic joystick-based games gave us simple and direct control using physical buttons and sticks. In this project, we recreate that experience by building a DIY Game Controller using Arduino Uno R4, combining retro-style control with modern electronics.
This Arduino Game Controller project is a great way to learn USB HID communication, input proce uses a joystick module and push buttons to control games on a computer. When connected through USB, the Arduino Uno R4 acts like a keyboard device, allowing games to detect inputs instantly without installing drivers.
Components Required
- Arduino Uno R4
- Joystick Module
- 4 Push Buttons
- Veroboard
- Jumper Wires
Working Principle
The joystick provides X and Y axis analog signals, which Arduino converts into arrow key movements.
Push buttons are mapped to keys like W, A, S, and D for game actions.
Using the Keyboard.h library, the Arduino sends real-time key press signals to the PC, making the setup function like a real game controller.
Hardware Connection
- Joystick X → A0
- Joystick Y → A1
- Buttons → Digital Pins 2–5
- Power → 5V & GND
Buttons use internal pull-up resistors, so no extra components are needed.
This Arduino Game Controller project is a great way to learn USB HID communication, input processing, and human–computer interaction. It transforms basic hardware into a functional gaming device while offering a fun hands-on electronics experience.
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