Awesome QT Py

A curated list of awesome Adafruit QT Py and Seeed Studio XIAO guides, hardware, software and resources.

Adafruit QT Py and Seeed Studios XIAO are microcontroller centered electronics in a small form factor. With USB connectivity on such a small package, QT Py and XIAO provide robust capabilities in a very small space.

Typical Specifications

Dimensions: 21.8mm x 17.8mm x 5.8mm / 0.9" x 0.7" x 0.2"
Board pins: 14 (7x2) on a 0.1 inch spacing
USB: USB-C Connector
Approximate weight (depends on particular board): 2.2g / 0.1oz

Introduction and Social Media

Community

/r/Adafruit QT Py Reddit
QT Py on X/Twitter
Seeed XIAO on X/Twitter
Adafruit Discord - Search on QT Py or XIAO
Seeed Studio Forum on XIAO
Adafruit Forums - Use Other Adafruit Boards for hardware, CircuitPython or Arduino

Processor Boards

Adafruit QT Py Processor Boards

Name	Processor	CircuitPython	Arduino	Wireless	Features
QT Py RP2040	RP2040	Yes	Yes	No	Stemma QT I2C Port
QT Py ESP32 Pico	ESP32 Pico V3 02	MicroPython	Yes	WiFi+BLE+BT	8MB Flash, 2MB PSRAM, Stemma QT Port
QT Py ESP32-C3 WiFi	ESP32-C3	MicroPython	Yes	WiFi	Stemma QT I2C Port
QT Py ESP32-S2	ESP32-S2	Yes	Yes	WiFi	4MB Flash, 2MB PSRAM, Stemma QT I2C, chip antenna
QT Py ESP32-S2	ESP32-S2	Yes	Yes	WiFi	4MB Flash, 2MB PSRAM, Stemma QT I2C, uFL antenna connector
QT Py S3	ESP32-S3	Yes	Yes	WiFi+BLE	2MB PSRAM, Stemma QT Port
QT Py ESP32-S3	ESP32-S3	Yes	Yes	WiFi+BLE	8MB Flash, NO PSRAM, Stemma QT
QT Py - SAMD21	ATSAMD21E18	Yes	Yes	No	Stemma QT I2C Port
CH552 QT Py	CH552	No	Yes	No	Announced

Seeed Studio XIAO Processor Boards

Name	Processor	CircuitPython	Arduino	Wireless	Features
XIAO ESP32C3	ESP32-C3	Yes	Yes	WiFi	u.FL Antenna
XIAO ESP32C6	ESP32-C6	No	Yes	WiFi6+BLE+802.15.4	Zigbee/Thread Support
XIAO nRF52840	nRF52840	Yes	Yes	WiFi+BLE	Chip Antenna
XIAO nRF52840 Sense	nRF52840	Yes	Yes	WiFi+BLE	Microphone and 6-DOF IMU
XIAO RP2040	RP2040	Yes	Yes	No	NeoPixel LED
XIAO SAMD21	ATSAMD21G18	Yes	Yes	No
XIAO ESP32S3	ESP32-S3	No	Yes	WiFi+BLE	Chip + u.FL Antenna
XIAO ESP32S3 Sense	ESP32-S3	No	Yes	WiFi+BLE	Camera, Microphone, u.FL Antenna

Add-on Boards

Adafruit calls their QT Py size add-on boards "BFF"

Company	Name	Features
Adafruit	EYESPI BFF for QT Py or Xiao	18 Pin EYESPI FPC Connector for connecting displays
Adafruit	microSD Card BFF Add-On for QT Py and Xiao	Provides a microSD card slot
Adafruit	Audio BFF Add-on for QT Py and Xiao	MAX98357 3 watt audio amplifier, microSD slot, connector for speaker
Adafruit	NeoKey BFF for Mechanical Key Add-On	Add a Cherry MX compatible switch
Adafruit	BNO055 + BMP280 BFF Add-On for QT Py	9 degree-of-freedom (9DoF) motion plus pressure/altitude sensing
Adafruit	DC Power BFF Add-On for QT Py	Power a QT Py or XIAO up to 20 volts DC
Adafruit	CAN Bus BFF Add-On for QT Py	MCP26525 CAN controller+transceiver and connector
Adafruit	NeoPixel Driver BFF Add-On for QT Py and Xiao	Level shift signal to 5V for NeoPixel LED driving
Adafruit	I2S Amplifier BFF Add-On for QT Py and Xiao	MAX98357 audio amplifier and picoblade speaker connector
Adafruit	5x5 NeoPixel Grid BFF Add-On for QT Py and Xiao	25 (5x5) small RGB LEDs
Seeed Studio	Expansion Board Base for XIAO	Grove OLED - IIC, Uart, Analog/Digital
Seeed Studio	CAN Bus Breakout Board for XIAO and QT Py	MCP2515 controller, SN65HVD230 transceiver chip, terminal blocks
Seeed Studio	Grove Base for XIAO	4/8 Grove ports + embedded battery management chip
Seeed Studio	Round Display for XIAO - 1.28-inch round touch screen	240×240 resolution, 65k colors, RTC, charge IC, TF card slot
Seeed Studio	6x10 RGB MATRIX for XIAO	60 LEDs onboard, 1m*1m WS2812B LED
Seeed Studio	24GHz mmWave Sensor for XIAO	Human Static Presence
Seeed Studio	ePaper Breakout Board	24-pin FPC connection, addt'l 8-pin 2.54 header
Seeed Studio	GNSS add on Module for XIAO	L76K GNSS Module, global tracking GPS, BeiDou, GLONASS, and QZSS
Evil Genius Labs	One Inch Fibonacci64	64 RGB LEDs in a Fibonacci distribution
Evil Genius Labs	One Inch Fibonacci32	32 RGB LEDs in a Fibonacci distribution
Evil Genius Labs	Mega CycloHex	Hexagonally-nested rings with 228 RGB LEDs, 6 touch pads via an Adafruit QT Py SAMD21
Evil Genius Labs	CycloHex	Hexagonally-nested rings with 228 RGB LEDs, 6 touch pads via an Adafruit QT Py SAMD21
Evil Genius Labs	Fibonacci64 Flower	64 RGB LEDs in a Fibonacci distribution
Evil Genius Labs	Fibonacci64 50mm Goggle Lens	50mm circular disc with 64 RGB LEDs in a Fibonacci distribution
Evil Genius Labs	Fibonacci182 Card	182 RGB LEDs in a Fibonacci distribution
Evil Genius Labs	Fibonacci64 Micro HDR	64 RGB LEDs in a Fibonacci distribution
Evil Genius Labs	Fibonacci64 Micro	64 RGB LEDs in a Fibonacci distribution
Evil Genius Labs	Fibonacci64 Nano	64 RGB LEDs in a Fibonacci distribution
Cyborg5 / OSH Park	IRHat2	IoT Infrared Remote using Raspberry Pi Zero W and Adafruit QT Py Hat described here
SparkFun	WVR Audio Development Board - USB Host Version	A sample player powered by an ESP32. XIAO is USB Host

Accessories

Company	Name	Features
Printables	Case for Adafruit QT PY RP2040 and Seeed XIAO RP2040	3D printable case

News

Tom's Hardware Best RP2040 Boards 2024 - Adafruit QT Py Rp2040 and Seeed XIAO RP2040, April 3, 2024
Adafruit QT Py RP2040 Review: A tiny board for great projects - by Les Pounder, April 18, 2021

Videos

QT Py

XIAO

Development

Contributing

Contributions and suggestions are always welcome! Please make GitHub pull requests to modify Awesome QY Py.

License & Trademarks

To the extent possible under law, the authors have waived all copyright and related or neighbouring rights to this work.

License

arturo182/awesome-qt-py

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