Add a 5-way joystick and RGB LED to your project with the Qwiic Navigation Switch! I2C communication and Qwiic connect make it simple.
The SparkFun Qwiic Navigation Switch adds a small, joystick-like 5-way tactile switch to your I2C bus! When connected to a microcontroller, push the 5-way tactile switch toward a direction (up, down, left, right, or centre) to provide additional input for your application. The built-in RGB status LED provides visual feedback indicating when a switch is pushed.
Populated on the board is a 5-way tactile switch. Each direction includes a momentary switch that is read by the PCA9554 8-bit I2C I/O expander and notifies the microcontroller when a switch is pushed. The microcontroller will then provide visual feedback by writing to the non-addressable RGB LED. Each channel of the RGB LED can be disconnected from the PCA9554's GPIO and connected to a different input. An interrupt pin is also broken out to notify your microcontroller when a state has changed quickly. We've also included an LED for power. Utilizing our handy Qwiic system, no soldering is required to connect it to the rest of your system. However, we still have broken out 0.1"-spaced pins if you prefer a breadboard.
If you need multiple Qwiic Navigation Switches for your project, fear not! Each board has a configurable I2C address, so you can daisy-chain multiple Navigation Switches over Qwiic and address each individually.
We've written a basic example for the Qwiic Navigation Switch in our GitHub Hardware repository. You will need the SparkFun I2C Expander Arduino Library to read or write to the PCA9554's eight separate I/O pins. You can download the library through the Arduino library manager by searching 'SparkFun I2C Expander Arduino Library', or you can get the GitHub repo as a .zip file and install the library from there.
This board is great for projects requiring additional input switches. Add a Qwiic Navigation Switch to your project when navigating a menu, or even add it to a small remote to control a robot!
Features & Specifications
Input voltage: 3.3V
5-way tactile switch
PCA9554 8-bit I2C I/O expander
2x Horizontal Qwiic connectors
2.2kΩ I2C pull-up resistors
Breakout PTHs
GND: Ground
3V3: 3.3V
SDA: I2C Data
SCL: I2C Clock
INT: Interrupt, active low
5: GPIO5
6: GPIO6
7: GPIO7
LEDs
RGB non-addressable status
Red power
Jumpers
Power LED: PWR
GPIO7/Red LED: 7
GPIO6/Green LED: 6
GPIO5/Blue LED: 5
I2C pull-up resistors: I2C
I2C selectable address (ADR2, ADR1, ADR0)
0x20 (Default): 000
0x21: 001
0x22: 010
0x23: 011
0x24: 100
0x25: 101
0x26: 110
0x27: 111
Board Dimensions: 1.0in. x 1.0in. (25.4mm x 25.4mm)
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