Adafruit TMP235 - Plug-and-Play STEMMA Analog Temperature Sensor

$2.50

SparkFun Qwiic / STEMMA QT HAT for Raspberry Pi

$7.50

Adafruit PCF8591 Quad 8-bit ADC + 8-bit DAC - STEMMA QT / Qwiic

$6.50

Rugged Panel Mount Fingerprint Sensor with Bi-Color LED Ring

$39.95

Adafruit MiniBoost 5V @ 1A - TPS61023

$3.95

Adafruit Feather nRF52840 Sense

$28.95

Adafruit CLUE - nRF52840 Express with Bluetooth LE

$39.95

Adafruit ItsyBitsy nRF52840 Express - Bluetooth LE

$17.95