Development Boards / QT Py / XIAO

What a cutie pie! Or is it... a QT Py? This diminutive dev board comes with our favorite lil chip, the SAMD21 (as made famous in our GEMMA M0 and Trinket M0 boards). This time it comes with our favorite connector - the STEMMA QT, a chainable I2C port that can be used with any of our STEMMA QT sensors and accessories. OLEDs! Inertial Measurment Units! Sensors...

What a cutie pie! Or is it... a QT Py? This diminutive dev board comes with one of our new favorite chip, the RP2040. It's been made famous in the new Raspberry Pi Pico and our Feather RP2040 and ItsyBitsy RP2040, but what if we wanted something really smol? A new chip means a new QT Py, and the Raspberry Pi RP2040 is no exception. When we saw this chip we thought...

The ESP32-S3 has arrived in QT Py format - and what a great way to get started with this powerful new chip from Espressif! With dual 240 MHz cores, WiFi and BLE support, and native USB, this QT Py is great for powering your IoT projects. The ESP32-S3 is a highly-integrated, low-power, 2.4 GHz Wi-Fi System-on-Chip (SoC) solution that now has WiFi and BLE support,...

The ESP32-S3 has arrived in QT Py format - and what a great way to get started with this powerful new chip from Espressif! With dual 240 MHz cores, WiFi and BLE support, and native USB, this QT Py is great for powering your IoT projects. Now we even have this powerhouse of a board with built in 2 Megabytes of PSRAM for when you need to buffer large datasets in...

What has your favorite Espressif WiFi microcontroller, comes with our favorite connector - the STEMMA QT, a chainable I2C port, and has lots of Flash and RAM memory for your next IoT project? What will make your next IoT project flyyyyy? What a cutie pie! Or is it... a QT Py? This diminutive dev board comes with one of our new favorite lil chips, the ESP32-S2! The...

Our QT Py boards are a great way to make very small microcontroller projects that pack a ton of power - and now we have a way for you to turn many QT Py boards into powerful audio play projects that are super small! This BFF comes with a MicroSD card slot that can address up to 64 GB of storage and a I2S 3 Watt amplifier, for high-quality audio playback, that can fit...

Our QT Py boards are a great way to make very small microcontroller projects that pack a ton of power - and now we have a way for you to add a ton of storage, for reading and writing, with a micro SD card slot that can fit on the back of your miniature dev board. It uses the three SPI pins plus one chip select pin to access megs or gigs of data. We call this the...

Is your QT Py all alone, lacking a friend to travel the wide world with? When you were a kid you may have learned about the "buddy" system, well this product is kinda like that! A board that will watch your QT Py's back and give it the power and support to wander out past your USB port. This little lipo charger is designed to fit onto the back of any QT Py board, and...

Our QT Py boards are a great way to make very small microcontroller projects that pack a ton of power - and now we have a way for you to quickly add a strand of NeoPixels with a 5V level shifter and a detachable JST PH connector. It's an excellent way to make tiny wearable, cosplay or IoT projects with dazzling LEDs. We call this the Adafruit NeoPixel Driver BFF - a...

Here is a cute, minimal snap-on mount for your QT Py to keep it safe during use and transport. It has been custom-designed and 3D printed to accommodate the USB-C connector, along with four M3 mounting holes. No screws or glue are required; simply snap on the QT Py. It's made of translucent milky white plastic with an SLA process, so there are no lines or blobbiness...

What a cutie pie! Or is it... a QT Py? This diminutive dev board features the powerful CH32V203 low-cost processor that's all the trend: based on RISC-V and cheaper than an 8-bit core! This little one is a great way to get started in the CH32x processor family, with everything you need to build many USB-based projects at an excellent price. The CH32V203G6 has a...

Our QT Py boards are a great way to make very small microcontroller projects that pack a ton of power - and now we have a way for you to turn many QT Py boards into powerful CAN bus devices that are super small! CAN Bus is a small-scale networking standard, originally designed for cars and, yes, busses, but is now used for many robotics or sensor networks that need...

What has your favorite Espressif WiFi microcontroller, comes with our favorite connector - the STEMMA QT, a chainable I2C port, and has lots of Flash and RAM memory for your next IoT project? What will make your next IoT project flyyyyy? What a cutie pie! Or is it... a QT Py? This diminutive dev board comes with one of our new favorite lil chips, the ESP32-S2, and a...

The Pimoroni Tiny 2350 - 4MB is a postage stamp-sized RP2350 development board with a USB-C connection perfect for portable projects, wearables, and embedding into stuff. While the team at Pimoroni loves the Raspberry Pi Pico, they also wanted something smaller with a bunch more flash on board. Introducing the Tiny 2350 - a teeny tiny powerhouse with the chops to...

Our QT Py boards are a great way to make very small microcontroller projects that pack a ton of power - and now we have a way for you to add an I2S 3 Watt amplifier, for high quality audio playback, that can fit on the back of your miniature dev board. It uses just three GPIO pins that do not intersect with the I2C/UART or SPI port. We call this the Adafruit I2S Amp...

We were recently working on a project where we really wanted to power a QT Py ESP32 from 12V - but the only power input on the board is basically USB 5V max. Never one to give up, we designed an add-on that will allow anyone to use a QT Py or Xiao dev board with up to 20V DC power! In the center is an MPM3610 integrated buck converter, which will generate 5V from up...

Our QT Py boards are a great way to make very small microcontroller projects that pack a ton of power - and now we have a way for you to add a small, colorful, and bright display to any project. Our most recent display breakouts have come with a new feature: an 18-pin "EYE SPI" standard FPC connector with flip-top connector. This is intended to be a sort-of "STEMMA...

Our QT Py boards are a great way to make very small microcontroller projects that pack a ton of power - and now we have a way for you to quickly add a chunky 12mm tactile button with a NeoPixel. It's an excellent way to create simple 'IoT Button' type projects with basic interactivity. We call this the Adafruit IoT Button with NeoPixel BFF - a "Best Friend Forever"....

Our QT Py boards are a great way to make very small microcontroller projects that pack a ton of power - and now we have a way for you to quickly add a glittering grid of 25 RGB addressable micro NeoPixels. It's an excellent way to make tiny wearable, cosplay, or IoT projects with dazzling LEDs. We call this the Adafruit 5x5 NeoPixel Grid BFF - a "Best Friend...

Our QT Py boards are a great way to make very small microcontroller projects that pack a ton of power - and now we have a way for you to quickly add a nice mechanical key that also can glow any color of the rainbow. We call this the Adafruit NeoKey BFF - a "Best Friend Forever". When you were a kid you may have learned about the "buddy" system, well this product is...

Is your QT Py all alone, lacking a friend to travel the wide world with? When you were a kid, you may have learned about the "buddy" system. Well, this product is kind of like that! It is a board that will watch your QT Py's back and add a USB Host port. That means that your tiny microcontroller project can have a keyboard, mouse, or disk drive plugged into it,...

What a cutie pie! Or is it... a QT Py? This diminutive dev board comes with a throwback processor - an 8-bit 8051! This tiny core is a big change from something like the the ESP32-S3 QT Py with two 240MHz 32-bit cores, but there's lots of folks interested in the CH552 and given the smol size, it is a nice matchup for a smol board. The CH552 is an 'enhanced' E8051...

TNY is Phyx's take on our Adafruit QT Py and Seeed studio XIAO bite-sized development boards but with added SMD pins for optional extra IO capabilities and a built-in WS2811 compatible LED output. The LANA TNY is a small development board based around the WCH CH32V203 RISC-V microcontroller. The CH32V203G6 has a single 32-bit RISC-V core, running up to 144MHz, with...

Seeed Studio Round Display for XIAO is an expansion board compatible with all XIAO development boards. It features a fully covered touch screen on one side, designed as a 39mm disc. It contains an onboard RTC holder, charge chip, and MicroSD card slot within its compact size, perfect for interactive displays in smart homes, wearables, and more. While initially...

What's life without a little RISC? This miniature dev board is perfect for small projects: it comes with our favorite connector - the STEMMA QT, a chainable I2C port, WiFi, Bluetooth LE, and plenty of FLASH and RAM memory for many IoT projects. What a cutie pie! Or is it... a QT Py? This diminutive dev board comes with a RISC-V IoT microcontroller, the ESP32-C3!...

This dev board is like when you're watching a super-hero movie and the protagonist shows up in a totally amazing costume in the third act and you're like 'OMG! That's the hero and they're here to kick some serious butt!" but in this case its a microcontroller. This QT Py board is a thumbnail-sized PCB that features the ESP32 Pico V3 02, an all-in-one chip that has an...

Our QT Py boards are a great way to make very small microcontroller projects that pack a ton of power - and now we have a way for you to turn many QT Py boards into powerful 9 degree-of-freedom (9DoF) motion plus pressure/altitude sensing projects that are super small! We call this the Adafruit BNO055 + BMP280 BFF—a "Best Friend Forever." When you were a kid,...

Here is a cute and minimal enclosure for your QT Py to keep it safe during use and transport. This case has been custom-designed and 3D printed to accommodate the USB-C connector. No screws or glue are required; simply snap the QT Py into the bottom piece and assemble the frame and top piece. There's lots of room to mount sensors, LEDs or displays. Hang-tag and...

The Seeeduino XIAO Expansion Board is a great add-on board with a little-bit-of-everything. It works wonderfully with our QT Py boards so we're stocking it for folks to plug in their SAMD21 QT Py or RP2040 QT Py. It enables prototyping in an easy and quick way and with so many hardware add-ons, you can quickly explore near-infinite possibilities of Arduino and...