Kitronik Breadboard Breakout for BBC micro:bit
$5.50
Adafruit 12-Key Capacitive Touch Sensor Breakout - MPR121
$7.95
Raspberry Pi Pico RP2040
$4.00
Raspberry Pi Pico RP2040 with Loose Headers
$5.00
Adafruit Voice Bonnet for Raspberry Pi -Two Speakers + Two Mics
$14.95
Adafruit Matrix Portal - CircuitPython Powered Internet Display
$24.95
Adafruit BrainCraft HAT - Machine Learning for Raspberry Pi 4
$39.95
Adafruit FeatherWing OLED - 128x64 OLED Add-on For Feather