Program 1: Develop a program to blink 5 LEDs back and forth. Aim: To develop an Arduino program that makes 5 LEDs blink sequentially back and forth, creating a back-and-forth running light effect. Component: Circuit: Procedure: Step 1: Open Tinkercad 1. Go to https:/ /www.tinkercad.com 2. Click “Circuits” → “Create new Circuit” Step 2: Add Components · Drag and drop: o 1 Arduino Uno o 5 LEDs o 5 Resistors o (Optional) 1 Breadboard Step 3: Wiring the LEDs For each LED: · Anode (long leg) → connect to a digital pin via a resistor (220 Ω) : o LED1 → Pin 2 o LED2 → Pin 3 o LED3 → Pin 4 o ...