Carrier PCB schematic for a four-wheel Arduino Nano ESP32 spy car using two TB6612FNG motor-driver modules, removable Nano sockets, servo/sensor/light/buzzer connectors, and protected shared b... show moreCarrier PCB schematic for a four-wheel Arduino Nano ESP32 spy car using two TB6612FNG motor-driver modules, removable Nano sockets, servo/sensor/light/buzzer connectors, and protected...