The board features a Raspberry Pi RP2040 microcontroller, 264 KB RAM and 8 MB SPI Flash memory for storing CircuitPython and MicroPython code. It also includes a built-in RGB NeoPixel, Reset and Boot buttons, and a STEMMA QT connector to attach multiple I2C add-ons such as sensors, OLED displays and IMU modules. The STEMMA QT port is SparkFun Qwiic compatible, so no soldering is required for connections.
The board works with native USB on all operating systems and can appear as, for example, a serial console, a MIDI device, an HID keyboard/mouse or a small mass storage device for Python scripts. The built-in UF2 bootloader makes loading software easy – just hold the BOOT button while plugging the device into USB.
The size is only 1.0" × 0.7" (about 25.4 × 17.8 mm), and with four mounting holes you can attach QT add-on modules directly to the board using M2.5 standoffs.
Features:
- USB-A connector, thicker PCB for secure fit
- RP2040 microcontroller, 32-bit Cortex M0+ dual-core, ~125 MHz
- 264 KB RAM
- 8 MB SPI Flash for storing programs and files
- Native USB: serial console, MIDI, HID, mass storage
- Compatible with MicroPython and CircuitPython
- Built-in RGB NeoPixel LED
- STEMMA QT / Qwiic port for I2C connections
- 3.3V regulator, 600 mA peak current
- Reset and bootloader buttons (Boot can also be used in user code)
- size 1.0” × 0.7” (about 25.4 × 17.8 mm), 4 mounting holes
Package includes:
- 1 × Adafruit Trinkey QT2040 development board
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