UNO R3 Super Starter Kit for Learning...
Arduino Proto Shield with Mini Breadboard
Proto Shield for Raspberry Pi (v3 compatible)
W2812 RGB LED Shield for Wemos D1 Mini
Prototyping System for the BBC micro:bit
Adafruit I2S 3W Stereo Speaker Bonnet for Raspberry Pi (Mini Kit)
Proto Expansion for Onion Omega
Adafruit 16-Channel PWM / Servo Bonnet for Raspberry Pi
A Feather board without ambition is a Feather board without FeatherWings!
WIFI D1 mini - Proto shield
SOP8 Test Clamp