...
| Sound (Buzzer or Loudspeaker) | Movement (Motor, Solenoid, Servo) | Light (LED, neopixel, lightbulb, laser) | Tactile (vibration motor, actuator, Peltier element) | Graphic Display (OLED, LCD, 7 segments, Printer, laptop screen with Processing) | |
| Sound (microphone, piezo) | |||||
| Movement (distance, motion, gesture, gyro, pressure, flex sensor) | |||||
| Atmospheric (Temperature, humidity, air quality, pressure) | |||||
Bio-sensor (Pulse, GSR, EMG) | |||||
| Light (colour, luminance, IR) | |||||
| Touch (buttons, pressure, capacitance) |
...