Adafruit Proximity Trinkey - USB APDS9960 Sensor Dev Board
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Description
The Adafruit Proximity Trinkey is a compact and versatile development board combining the power of an Adafruit Trinket M0 microcontroller with the APDS9960 sensor suite—including proximity, ambient light, RGB color, and gesture capabilities.
Designed to plug directly into any USB A port, this tiny board features an ATSAMD21 microcontroller running at 48 MHz, with 256KB Flash and 32KB RAM, supporting native USB connectivity compatible with all major operating systems.
Key features include:
- Proximity sensing up to about 6" away using IR light reflection.
- RGB color sensing to detect bright and colorful objects.
- Ambient light sensing for brightness measurement.
- Basic gesture detection via photodiode sensors.
- Two capacitive touchpads at the USB plug end.
- Two bright RGB NeoPixel LEDs for customizable glow effects.
- Reset button for bootloader mode or rebooting the device.
It supports programming with CircuitPython or Arduino IDE using dedicated libraries for APDS9960, NeoPixels, and capacitive touch inputs. Over USB, it supports serial, MIDI, or HID interfaces for diverse user interaction.
Weighing only 1.5 grams and measuring 32.8mm x 12mm x 3.4mm, this device is slim, cute, and keychain-friendly, making it ideal for tactile, interactive hardware projects and sensor-based user interfaces.
