Problem Statement: "Secure wireless controller hand-held remote operation of traffic signals in peak hours" 1 ˣ NodeMCU 1 ˣ MicroUSB (for connecting the NodeMCU to your PC) 6 ˣ LEDs or 2 Traffic Light Module 6 ˣ 220 Ohm Resistors Jumper Wires Conections: Red Anode 1 -> 220Ω -> GPIO4 Yellow Anode 1 -> 220Ω -> GPIO0 Green Anode 1 -> 220Ω -> GPIO2 Red Anode 2 -> 220Ω -> GPIO13 Yellow Anode 2 -> 220Ω -> GPIO12 Green Anode 2 -> 220Ω -> GPIO14 Running the Code: Status: