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: