Adafruit SHT45 Trinkey - USB Temp and Humidity Sensor with PTFE

It's half USB Key, half temperature-humidity sensor—it's the Adafruit SHT45 Trinkey with a PTFE filter. Designed to easily integrate into any computer with a USB A port, this device features an ATSAMD21 microcontroller capable of running CircuitPython or Arduino smoothly.

Specifications:

• ATSAMD21E18 32-bit Cortex M0+ - 48 MHz processor
• 256KB Flash and 32KB RAM
• SHT45 sensor with ±1.0% relative humidity and ±0.1°C temperature accuracy
• RGB NeoPixel LED
• Capacitive Touchpad
• Reset switch for bootloader mode

Perfect for projects needing ambient temperature and humidity data, this Trinkey eliminates the need for extra wiring or complex software. The board comes pre-programmed to output temperature and humidity data over a serial port in CSV format, allowing immediate use. For extended range, use a USB A extension cable.

This compact and durable device offers USB connectivity, functioning as a serial console, MIDI, or HID with multiple OS support. Its slim and adorable design makes it keychain-friendly and accessible for both newcomers and experienced developers alike.