Raspberry Pi > Keyboard
Keyboard with Blue-type Mechanical Switches and LED Backlights – 87-Key Adafruit
Sensor > Gyroscope
L3GD20 (L3G4200 Upgrade) Triple-Axis Gyro Breakout Board Adafruit
Arduino > Microcontroller
Power > Measurement
Mini Power Meter with Voltage, Current, Watts, mAh & mWh Display Adafruit
Servos and motors
Components & Parts
Panel Mount 10K Dual Linear Potentiometer – 10K Dual Linear Adafruit
Components & Parts
Panel Mount 10K Dual Log Potentiometer – 10K Dual Log Adafruit
Components & Parts
Panel Mount 10K Dual Log Potentiometer w/ On-Off Switch – 10K Dual Log w Switch Adafruit
Components & Parts
Panel Mount 10K Log Potentiometer (Breadboard Friendly) – 10K Log Adafruit
Components & Parts
Panel Mount Right Angle 10K Linear Potentiometer w/On-Off Switch – 10K Linear w/ Switch Adafruit
LED > Neopixel
Components & Parts
Battery > Lithium Ion > Charger
PowerBoost 500 Basic – 5V USB Boost @ 500mA from 1.8V+ Adafruit
LCDs & Displays
RGB LCD Shield Kit w/ 16×2 Character Display – Only 2 pins used! – POSITIVE DISPLAY Adafruit
Servos and motors
Sensor > Light
SI1145 Digital UV Index / IR / Visible Light Sensor Adafruit
Sensor > Temperature & Humidity
Sensor > I2C > 9 DOF
Triple-axis Accelerometer+Magnetometer (Compass) Board – LSM303 Adafruit
Battery > Lithium Ion > Charger
Fluid control