SparkFun Qwiic Twist - RGB Rotary Encoder Breakout
DEV-150 8 3
The SparkFun Qwiic Twist is a digital RGB rotary encoder breakout that is also able to connect to
our Qwiic Connect System. The Twist takes care of all the various interrupts, switches, PWM'ing of
LEDs, and presents all those features over an easy-to-use I2C interface. The Qwiic Twist was
designed to get rid of the large mass of wires that are needed to implement an RGB encoder in a
breadboard enabling you to stop messing around with interrupt debugging and get back to your
project! 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 in case you prefer to use a breadboard.
One rotation in the clockwise direction for the rotary encoder increases the overall count by 24 and 24 in the counter-clockwise direction. The number of ‘ticks’ or steps you have turned the knob are all
transmitted over I2C. The red, green, and blue LEDs are all set via software commands and can be
digitally mixed to achieve over 16 million colors!
We designed Qwiic Twist with an indent encoder which gives the user a great ‘clicky’ feel.
Additionally, the encoder has a built in button so the user can select an GUI menu or element by
pressing down on the it. The Qwiic Twist uses a 6mm shaft and works great with our Clear Plastic
Knob listed in the Hookup Accessories below or any other 6mm knob.
We’ve also written an Arduino library for the Qwiic Twist showing off all the different features of the
Twist and for easy interfacing to the breakout including a litany of examples!
The SparkFun Qwiic Connect System is an ecosystem of I2C sensors, actuators, shields and cables
that make prototyping faster and less prone to error. All Qwiic-enabled boards use a common 1mm
pitch, 4-pin JST connector. This reduces the amount of required PCB space, and polarized
connections mean you can’t hook it up wrong.
FEATURES
Voltage: 3.3V
Current:
o Approximately 2.8mA LEDs off
o Approximately 40.6mA with LEDs on 100%
24 ticks per rotation
Clockwise and counterclockwise direction is detected
Software configurable I2C address - up to 111 devices on a single bus
Built-in momentary button
RGB LED controlled via PWM allowing for up to 16M colors
Up to 400kHz I2C communication
Jumpers for address selection, interrupt pull up disable, and I2C pull up disable
I2C Address: 0x3F (Jumper Open, Default), 0x3E (Jumper Closed)
2x Qwiic Connectors
https://www.sparkfun.com/products/15083/12‐18‐18
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