WiFi Based Robot with Android Application Control

Components Details () {
VPC Card board 5mm,
Solderless Breadboard,
DC Gear Motor x 4,
Arduino NodeMcu,
L298 Motor Driver,
BD139 NPN Transistor,
1k Resistor x 3,
100R Resistor x 2,
White LED x 2,
Red LED x 2,
4Pcs Smart Robot Car Tyres Wheels,
Male to Male jumper Wires,
Male to Female jumper Wires,
On/Off Switch,
18650 Battery Holder – 2 Cell ,
18650 Battery Cell 3.7V x 2
}