A tremendous amount of research went into making each of these props as accurate as possible.

They all communicate with eachother via wifi to sync the time travel sequence (or they can be triggered by wire), as well as changing the various modes for each prop via the TCD keypad.

Some more notable features... TCD: - Highly accuate custom LED displays and aluminum enclosure - Plays all the accurate movie sounds on date entry and time travel - Can turn on/off via TFC drive switch - Alarm, timer, and music player (via SD card) - Display messages via MQTT - Automatic rotation of times as seen in the movies - Is a real time clock with time zone adjustment

Speedo: - Gets speed and accurate time for the TCD via GPS - Highly accurate replica Stanley displays

Flux Capacitor: - Highly accurate backing board (has all original screw and relay placements) - Remote control - Outputs flux sounds, and has a music player (via SD card) - 2 drivers for bright time travel LEDs

SID: - Various "idle" modes - Built in spectrum analyzer via on board mic - Remote control - Snake & popular block stacking game that likes to protect their IP