Arduino Robotics & STEM LabBuild and Code an Obstacle-Avoiding Robot

Arduino Robotics & STEM Lab Build and Code an Obstacle-Avoiding Robot

What does it actually take to build a robot? In this hands-on Arduino course, kids find out — by doing it. Starting from a single blinking LED and working all the way up to a fully coded obstacle-avoiding robot, every lesson adds a new layer: wiring, coding, sensors, logic, and engineering thinking. No robotics kit required — just real components, real challenges, and a real robot at the finish line.

Students write actual C/C++ Arduino code, work with sensors and motors, and apply math and science concepts they know from school — except here, those concepts control something physical. Every class builds on the last, turning beginners into builders, one circuit at a time.

Class-1

ARDUINO & ELECTRONICS BASICS

Identify Arduino board parts: pins, power, USB, and microcontroller

Build a complete circuit on a breadboard with an LED and resistor

Upload your very first sketch — and watch the hardware respond

Class-2

LED CONTROL LAB

Use digitalWrite() and pinMode() to switch LEDs on and off

Add delay() to control timing and create simple blink patterns

Understand the cause-and-effect loop: code → signal → hardware reaction

Class-3

RESCUE BEACON PROJECT

Program short and long blinks to spell out SOS in Morse code

Use loops and timing functions to repeat a distress signal automatically

Understand sequencing: how order and timing change the message entirely

Class 4:

RGB COLOR MIXING

Wire an RGB LED and control each channel (red, green, blue) with code

Connect a potentiometer knob and read its value with analogRead()

Map knob ranges (0–1023) to color values (0–255) — math meets hardware

Class 5:

ANALOG INPUTS & POTENTIOMETERS

Distinguish analog vs. digital signals and when each is used

Read a potentiometer’s position and print live values to the Serial Monitor

Use map() and constrain() functions to scale inputs for smooth control

Class 6:

TEMPERATURE SENSING

Connect a temperature sensor and convert raw voltage into Celsius readings

Store and update temperature data using variables in your code

Write if/else conditions to trigger LED or Serial alerts at set thresholds

Class 7:

EMOJI THERMOMETER DISPLAY

Define temperature ranges and map them to reactions (cold / warm / hot)

Chain multiple if / else if / else blocks to handle every scenario

Output emoji-style symbols to the Serial Monitor for a live thermometer display

Class-8

SOUND SENSOR BASICS

Wire a sound/microphone sensor module and read its analog output

Set a noise threshold and trigger an LED when the room gets too loud

Visualize signal spikes in the Serial Plotter — see sound as live data

1. Write Arduino C/C++ code using logic, conditions, functions & timing to control real hardware
2. Apply Math & Science
Use ranges, ratios, angles & proportional reasoning alongside electricity, motion & sensing
3. Think Like an Engineer
Test, debug, and improve robot designs independently — building real problem-solving confidence
4. Build a Real Robot
Finish with a working obstacle-avoiding robot built and coded entirely from scratch

Arduino Robotics & STEM Lab Build and Code an Obstacle-Avoiding Robot

Arduino Robotics & STEM Lab Build and Code an Obstacle-Avoiding Robot

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