A few entities that help do some small utility things:
- Circuit network transceiver - Send and receive circuit network signals over any distance (and between surfaces)
- Daylight sensor - Outputs current light to circuit network
- Motion sensors (Enemy and friendly variants) - Detects motion and sends a circuit network signal
- Pollution sensor - Outputs pollution percentage to the circuit network
- Pressure plate - Outputs a circuit network signal when stepped on
- Remote explosives (TNT) - When the circuit condition is met, kaboom
- Sign posts - Write messages to yourself or your friends
- Torches - Burner illumination for the early game
- Tinderbox item - Early game way to start fires
- Long-range delivery drones - Deliver items a long long way. Drone Graphics/Animation by Sacredanarchy.
