All Products
Showing 1-20 of 44 products
Adafruit LiIon or LiPoly Charger BFF Add-On for QT Py
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The Adafruit LiIon/LiPoly Charger BFF is a compact battery charging add-on designed to mount directly onto the back of any QT Py board. It makes portable power simple — plug in a standard 3.7 V/4.2 V lithium battery, and the charger handles the rest via the QT Py's USB-C connection. When USB is ...
Adafruit IoT Button with NeoPixel BFF Add-On for QT Py and Xiao
The Adafruit IoT Button with NeoPixel BFF adds a chunky 12 mm tactile button and an RGB NeoPixel to any QT Py or Xiao development board. It's a quick way to build simple IoT button projects with visual feedback — press the button to trigger an action, and use the NeoPixel to display status. Desi...
Adafruit I2S Amplifier BFF Add-On for QT Py and Xiao
The Adafruit I2S Amplifier BFF is a compact add-on that brings high-quality 3W audio to any QT Py or Xiao development board. Featuring a MAX98357 Class D amplifier, it delivers crisp I2S digital audio using just three GPIO pins (A0, A1, A2) that don't conflict with I2C, UART, or SPI. Designed as...
Adafruit BNO055 + BMP280 BFF Add-On for QT Py
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The Adafruit BNO055 + BMP280 BFF is a compact add-on board that gives any QT Py or Xiao board powerful 9-degree-of-freedom (9-DoF) motion sensing plus barometric pressure and altitude measurement. It mounts directly onto the back of your QT Py, creating a tiny but capable sensor package. The BNO...
GD25Q16 - 2MB SPI Flash in 8-Pin SOIC package
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These little chips are like miniature SSD drives for your electronics. When you don't need something with as much storage as a micro SD card, but an EEPROM is too small, SPI (or QSPI) Flash chips give you on-the-order-of megabytes, with little cost and complexity. We use these chips all the time ...
Adafruit microSD Card BFF Add-On for QT Py and Xiao
The Adafruit microSD Card BFF Add-On slots onto the back of any QT Py or Xiao board, adding a microSD card slot for megabytes or gigabytes of file storage. Using the SPI bus (MOSI/MISO/SCK) plus one chip select pin, you can read and write files for data logging, audio playback, image storage, and...
Adafruit EYESPI BFF for QT Py or Xiao - 18 Pin FPC Connector
Add a small, colourful display to any QT Py or Xiao project with the EYESPI BFF. This compact add-on board connects to EYESPI-compatible displays via an 18-pin 0.5mm pitch FPC connector, giving you a standardised way to wire up SPI displays without a mess of jumper wires. The EYESPI standard is ...
Adafruit Audio BFF Add-on for QT Py and Xiao
The Adafruit Audio BFF is a compact add-on board that turns your QT Py or Xiao into a powerful audio playback device. It features a microSD card slot (up to 64 GB) and a MAX98357 I2S 3W amplifier, all designed to fit neatly on the back of your miniature dev board. The board connects over the SPI...
Adafruit CH552 QT Py - 8051 Dev Board with STEMMA QT
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The Adafruit CH552 QT Py is a compact development board built around the WCH CH552, an enhanced 8-bit 8051 microcontroller. Running at 16 MHz with native USB device support, it packs a surprising amount of functionality into the tiny QT Py form factor with STEMMA QT / Qwiic I2C connectivity. The...
Adafruit QT Py - SAMD21 Dev Board with STEMMA QT
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The Adafruit QT Py SAMD21 is the original QT Py — a tiny development board built around the ATSAMD21E18 (ARM Cortex-M0+ at 48 MHz) with native USB, a STEMMA QT connector, and an RGB NeoPixel. It's the same chip found in the popular Trinket M0 and GEMMA M0, now in a Seeed Xiao-compatible form fact...
Adafruit QT Py CH32V203 Dev Board with STEMMA QT
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The Adafruit QT Py CH32V203 is a tiny development board built around the WCH CH32V203G6 — a low-cost RISC-V microcontroller running at up to 144 MHz. In the compact QT Py form factor (Seeed Xiao compatible), it packs USB-C, a STEMMA QT connector, an RGB NeoPixel, and 10 GPIO pins into a board sma...
Adafruit 5x5 NeoPixel Grid BFF Add-On for QT Py and Xiao
Add a dazzling 5×5 grid of 25 addressable RGB NeoPixels to any QT Py or Xiao board with this compact BFF (Best Friend Forever) add-on. The tiny SK6805 LEDs (1.5 × 1.5 mm each) pack vivid colour into a minimal footprint, powered directly from the QT Py's USB Type-C connection. The PCB is designed...
Adafruit NeoKey BFF for Mechanical Key Add-On for QT Py and Xiao
The Adafruit NeoKey BFF adds a single mechanical key switch with RGB backlighting to any QT Py or Xiao board. Designed to solder or plug onto the back of your QT Py, it features a Kailh hot-swap socket for tool-free MX-compatible switch changes and a reverse-mount NeoPixel that shines up through ...
Adafruit CAN Bus BFF Add-On for QT Py
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The Adafruit CAN Bus BFF is a compact add-on that brings CAN bus capabilities to any QT Py or Xiao board. Powered by the MCP26525 chipset with SPI interface, it provides better range and addressing than I2C, making it well suited for robotics and sensor networks. Drivers are available for both Ar...
Adafruit USB Host BFF for QT Py or Xiao with MAX3421E
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The Adafruit USB Host BFF adds a USB Host port to your QT Py or Xiao microcontroller, letting you connect keyboards, mice, USB drives, and other standard USB peripherals to your tiny project. It uses the MAX3421E USB Host chip, communicating over SPI with an IRQ pin. With driver support through ...
LANA TNY CH32V203 Mini Microcontroller Board by Phyx
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The LANA TNY is a compact development board from Phyx, built around the WCH CH32V203 RISC-V microcontroller. It follows the bite-sized style of boards like the Adafruit QT Py and Seeed Studio XIAO, while adding SMD pins for optional extra IO and a built-in WS2811-compatible LED output.The CH32V20...
Adafruit QT Py ESP32-S2 WiFi Dev Board with STEMMA QT
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The Adafruit QT Py ESP32-S2 combines Wi-Fi connectivity with native USB in the compact QT Py form factor. Built around the ESP32-S2 — a single-core 240 MHz Tensilica processor with 4 MB flash and 2 MB PSRAM — this board can act as a USB keyboard, mouse, MIDI device, or disk drive while connecting...
Adafruit QT Py ESP32-S2 WiFi Dev Board with uFL Antenna Port
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The Adafruit QT Py ESP32-S2 with uFL Antenna Port is the extended-range version of the QT Py ESP32-S2. Instead of an on-board antenna, it features a uFL connector so you can attach any 2.4 GHz Wi-Fi antenna for significantly better range — ideal for projects where the board is enclosed in a metal...
Adafruit QT Py ESP32-C3 WiFi Dev Board with STEMMA QT
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The Adafruit QT Py ESP32-C3 is a compact Wi-Fi and Bluetooth LE development board built around the Espressif ESP32-C3 — a RISC-V microcontroller designed as a modern replacement for the ESP8266. In the tiny QT Py form factor (Seeed Xiao compatible), it packs USB-C, Wi-Fi, BLE 5.0, a STEMMA QT con...
Adafruit QT Py ESP32-S3 WiFi Dev Board with STEMMA QT
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The Adafruit QT Py ESP32-S3 packs dual-core 240 MHz processing, Wi-Fi, Bluetooth LE, and native USB into the tiny QT Py form factor. With 8 MB flash and 512 KB SRAM, it's a significant step up from the ESP32-S2 — adding a second core, BLE support, and more memory while keeping native USB for Circ...
