Adafruit
Adafruit Mini I2C Gamepad with seesaw - STEMMA QT / Qwiic
The Adafruit Mini I2C Gamepad is a compact controller breakout with a 2-axis thumb joystick and 6 momentary buttons (4 large, 2 small), all communicating ove...
The Adafruit Mini I2C Gamepad is a compact controller breakout with a 2-axis thumb joystick and 6 momentary buttons (4 large, 2 small), all communicating over I2C via the seesaw co-processor. It doesn't use any of your GPIO or analogue pins — just connect via STEMMA QT / Qwiic and start reading inputs immediately.
The seesaw chip handles the two analogue joystick axes and six digital button inputs, converting everything to a clean I2C interface that works with any microcontroller or microcomputer — even those without analogue inputs. An optional interrupt pin alerts your board when a button state changes.
Key Features
- 2-Axis Thumb Joystick – Analogue X/Y position read over I2C
- 6 Momentary Buttons – 4 large action buttons plus 2 small utility buttons
- Seesaw I2C Co-Processor – No GPIO or analogue pins consumed on your microcontroller
- STEMMA QT / Qwiic Port – Solderless I2C connection
- Optional Interrupt Pin – Get notified on button press/release events
- Address Select Jumpers – 4 I2C address options; connect multiple gamepads
- Universal Compatibility – Works with any I2C-capable microcontroller or SBC
Ideal For
- Game controllers for microcontroller projects
- Robotic control interfaces
- Menu navigation and UI input
- Interactive installations and kiosks
Package Contents
- 1× Adafruit Mini I2C Gamepad (assembled and programmed)
- 1× 0.1" header strip
Resources
Jargon buster
Plain-language definitions for the technical terms used above.
- breakout
- A breakout is a small circuit board that makes a tiny or hard-to-solder component easier to connect to with standard pins. It matters because this OLED module can be wired into a microcontroller project without needing to solder directly to the display’s fine contacts.
- GPIO
- General-purpose input/output pins are microcontroller pins you can set in software to read signals, switch devices on and off, or connect to peripherals. The number of GPIO pins matters because it limits how many buttons, LEDs, sensors, and other parts you can wire directly to the board.
- I2C
- I2C is a two-wire communication bus used by many sensors and small modules. It matters because several I2C devices can share the same two wires, but each device needs a compatible address and your controller must support I2C.
- I2C address
- An I2C address is the number a device uses so a microcontroller can tell it apart from other devices on the same I2C bus. It matters because two devices with the same fixed address may conflict if used together.
- IRQ
- Short for interrupt request, a signal pin a device uses to get a microcontroller’s attention when something needs handling. It matters here because I2C communication with the sensor requires connecting the IRQ pin to a suitable input pin.
- microcontroller
- A microcontroller is a small computer on a chip that runs your program and controls connected inputs and outputs. For this product, it is the part that reads buttons and sensors, drives the display and speaker, and communicates over Bluetooth.
- Qwiic
- Qwiic is a plug-in connector system for I2C devices that uses small 4-pin cables, so you can connect compatible sensors without soldering. It matters because your controller or adapter also needs Qwiic, or you will need a cable or breakout to wire it up.
- STEMMA
- A plug-and-cable connection system used on some maker electronics boards to make wiring simpler. If a product uses STEMMA, you need the matching cable or connector type to plug it in without soldering.
- STEMMA QT
- A small plug-in connector system for I2C boards that lets you connect compatible sensors and controllers without soldering. It matters because it can make wiring faster and less error-prone, especially when adding several small modules to a project.
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Related Tutorials
Free guides on learn.littlebird.com.au
