Quantity   Component name
1 × LIS3DH 3-axis accelerometer Detects tether wave pulse
1 × ATtiny 1634 8-bit microcontroller Runs SIMTHEO decoder and interacts with motor and accelerometer
1 × SIMTHEO Decoder To decode and generate A-Z International Morse Code
1 × Black & Decker AS6NG cordless screwdriver To generate haptic vibration on tether
1 × H-Bridge To allow motor direction reversal for haptic feedback
1 × Nylon paracord Provides both locomotion for tethered robot and a communication medium