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Adafruit SHT45 Trinkey - USB Temperature and Humidity Sensor

Adafruit SHT45 Trinkey - USB Temperature and Humidity Sensor

Pimoroni

£7.5

Price read from Pimoroni on 2026-10-22. Check before buying.

It's half USB Key, half temperature-humidity sensor ... it's the Adafruit SHT45 Trinkey. We wanted to make it super-easy to add one of our most popular combination environmental sensors to any computer with a USB A port. The PCB is designed to slip into any USB A port on a computer or laptop. There's an ATSAMD21 microcontroller on board with just enough circuitry to keep it happy. One pin of the microcontroller connects to a NeoPixel LED. Another pin is used as a capacitive touch input on the end. A reset button lets you enter bootloader mode if necessary. That's it! The SAMD21 can run Circuit

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The part other shops don't tell you. Three separate questions, kept separate on purpose, each with its source.