micro:bit
Power > Battries and Battery Holders
Arduino -> Interface
Silicone Elastomer 4×4 Button Keypad – for 3mm LEDs Adafruit
Prototyping > Potentiometer
Arduino > Motion Control
Tools
Components & Parts
Solid State Relay – 40A (3-32V DC Input) SparkFun Electronics
micro:bit add on
SparkFun gator:soil – micro:bit Accessory Board SparkFun Electronics
Raspberry Pi > Accessories
Raspberry Pi > Raspberry Pi B+, Pi 2, & Pi 3
Stacking Header for Pi A+/B+/Pi 2/Pi 3 – 2×20 Extra Tall Header Adafruit
Audio
Breakout Boards > Amplifiers/Sound
Raspberry Pi > Raspberry Pi B+, Pi 2, & Pi 3
Components & Parts
micro:bit add on
Electronics kit
Components & Parts
Thermocouple Type-K Glass Braid Insulated Stainless Steel Tip Adafruit
Prototyping
Power > Converters
UBEC DC/DC Step-Down (Buck) Converter – 5V @ 3A output Adafruit
Wireless
Raspberry Pi > Battery
USB Battery Pack for Raspberry Pi – 10000mAh – 2 x 5V @ 2A Adafruit
Raspberry Pi > Cables
Sensor > Current
USB Charger Doctor – In-line Voltage and Current Meter Adafruit
Power > Wall Supplies, Connectors & Adapters