DIY TRAFFIC LIGHT MODEL HD

traffic light / traffic signal / how to make a traffic light model . download & print the cutting sheet : https://drive.google.com/file/d/1S8R7LgeeppSpLbVwteomcrabaEE5iozI/view?usp=sharing wires map guide (Circuit diagram) : https://drive.google.com/file/d/1rpmYWVJcrYuiWai-Kvtj6cQwXYtKgRh-/view?usp=sharing Adjustable DC Power Supply: https://www.banggood.com/New-LM317-Adjustable-DC-Power-Supply-DIY-Electronic-Kit-Set-220V-or-110V-To-DC1_25-12V-Voltmeter-Soldering-Training-p-1614654.html?rmmds=search&ID=533601&cur_warehouse=CN LEDs: https://www.banggood.com/180pcs-Eight-Colors-3-mm-Round-Light-LED-Assortment-Kit-Diode-Emitting-Lamp-p-1048291.html?rmmds=myorder&cur_warehouse=CN