DIY Mini Traffic Light Model
DIY Mini Traffic Light Model Make: Magazine Hackaday Adafruit Learning SparkFun Tutorials Evil Mad Scientist Raspberry Pi Projects Arduino Projects Instructables Pakistan Science Club E-Learning Online Store DIY Mini Traffic Light Model Materials Needed: Three LEDs (Red, Yellow, Green) Resistors (appropriate values for the LEDs, typically around 220 ohms) Breadboard or PCB (Printed Circuit Board) Jumper wires Arduino or microcontroller (optional) 9V battery or power supply (optional) Small project enclosure or case (optional) Hot glue gun Acrylic or colored paper Craft sticks or cardboard Paints (red, yellow, green) Paintbrushes Tools Needed: Soldering iron and solder Wire stripper Scissors Craft knife Ruler Pencil Steps: 1. Prepare LEDs and Resistors a. Identify the positive and negative leads of each LED. b. Solder a resistor to the positive lead of each LED. 2. Assemble the Circuit a. Connect the LEDs and resistors on the breadboard or PCB. b. Connect the negative leads of the L