Quantity   Component name
1 × ATMega328P / Arduino pro mini board Microcontroller to sequence everything
4 × relays Easy a reliable way to make an H-brige for a DC-motor. Scale-up easily for different DC motor powers.
2 × shunts and current shunts monitors Mechanical limit switch detection with overrcurrent detection
1 × IRFB3006 MOSFET: power interface to flaslight. Visual indicator when the automatic gates are opening or closing.
1 × Nice HF 433MHz receiver Remote control for Nice remote Tx. Because I hace already 3 of them, but should be easily swappable with other models.
1 × FT232 cable USB interface from the pro mini to computer (firmware upgrade, command interpreter)
1 × Xbee socket to add Xbee, Zigbee or bluetooth communication interface