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Project Making Blog

Project Making Guides

Build robotics and electronics projects with a clear parts list, wiring idea, and simple making steps.

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Line Follower Robot

Needed
  • Arduino Uno or Nano
  • IR sensor array
  • L298N motor driver
  • BO motors, wheels, chassis, battery
How to make
  1. Fix motors and wheels on the chassis.
  2. Place IR sensors near the front bottom side.
  3. Connect motors through the motor driver.
  4. Upload code that follows black/white line values.
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Obstacle Avoiding Robot

Needed
  • Arduino board
  • Ultrasonic sensor HC-SR04
  • Servo motor
  • Motor driver, chassis, battery
How to make
  1. Mount the ultrasonic sensor on the servo.
  2. Connect motors to the driver module.
  3. Read distance from the ultrasonic sensor.
  4. Turn the robot when an object is detected.
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Bluetooth Controlled Car

Needed
  • Arduino Uno or Nano
  • HC-05 Bluetooth module
  • L298N motor driver
  • Chassis, motors, wheels, battery
How to make
  1. Connect Bluetooth TX/RX to Arduino pins.
  2. Wire motors through the motor driver.
  3. Pair phone with the Bluetooth module.
  4. Use app commands for forward, back, left, right.
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Smart Dustbin

Needed
  • Arduino board
  • Ultrasonic sensor
  • Servo motor
  • Jumper wires and battery
How to make
  1. Attach the servo to the dustbin lid.
  2. Place the ultrasonic sensor in front.
  3. Open the lid when distance is below the limit.
  4. Close the lid after a short delay.
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IoT Home Automation

Needed
  • NodeMCU ESP8266 or ESP32
  • Relay module
  • Bulb holder or test load
  • Mobile control app or web page
How to make
  1. Connect relay input to the NodeMCU pin.
  2. Power the board with a stable supply.
  3. Upload Wi-Fi control code.
  4. Switch the relay from phone or browser.
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Mini Weather Station

Needed
  • Arduino or ESP board
  • DHT11 or DHT22 sensor
  • OLED/LCD display
  • Breadboard and jumper wires
How to make
  1. Connect the DHT sensor data pin to the board.
  2. Wire the display using I2C pins.
  3. Upload code to read temperature and humidity.
  4. Show live values on the display.
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Tutorials

Step-by-step tutorials will be added here for wiring, coding, testing, and troubleshooting project builds.

Videos

Project making videos will be added here so students can follow the build visually from parts to final testing.