Part 2 - Intermediate Arduino Projects

Intermediate Arduino Projects – Part 2 🚀

Continuing the intermediate series, these projects focus on wireless communication, sensor integration, and more advanced motor and display control. Perfect for makers ready to build interactive and semi-autonomous systems.

11. Bluetooth-Controlled LED

Use an HC-05 Bluetooth module to control LEDs via a smartphone. Learn serial communication, command decoding, and wireless control. This project introduces the basics of IoT and remote device operation for interactive applications.

12. WiFi Temperature Monitor

Send temperature readings to a web interface using an ESP8266 or similar WiFi module. Learn about sensors, data transmission, and creating simple dashboards. This project introduces real-time monitoring and remote data access.

13. Ultrasonic Obstacle Detection with Alert

Use an ultrasonic sensor to detect obstacles and trigger visual or audio alerts. Learn conditional statements, sensor calibration, and combining multiple outputs. Great for building alert systems or safety features in robots and vehicles.

14. Servo-Controlled Robotic Arm

Control a robotic arm with multiple servo motors using potentiometers or joystick modules. Learn synchronization of multiple actuators, mapping input ranges, and creating motion sequences. This project introduces intermediate robotics and precise motor control.

15. Automated Plant Watering System

Use soil moisture sensors to detect dryness and trigger a water pump. Learn analog sensor reading, relay control, and creating a small-scale automated system. Ideal for combining environmental monitoring with action-based outputs.

16. Motion-Activated Alarm

Use a PIR motion sensor to trigger alarms or lights when motion is detected. Learn about input reading, event handling, and combining multiple outputs. This project introduces security applications and responsive system design.

17. Smart Fan with Temperature Control

Automatically turn on a fan when temperature exceeds a set limit using a sensor and relay. Learn about conditional statements, actuator control, and creating a responsive environment system. Perfect for intermediate home automation projects.

18. Wireless LED Control with ESP8266

Control LEDs via a web interface using an ESP8266 WiFi module. Learn about creating a simple web server, sending commands, and controlling outputs remotely. This project introduces IoT fundamentals and web-based device interaction.

19. Digital Thermostat

Use a temperature sensor to control a heating or cooling system via relay. Learn about setpoints, hysteresis, and automation logic. This project teaches intermediate concepts in environmental control and real-world applications.

20. Mini Automated Door System

Use sensors, buttons, or Bluetooth to automatically open or close a door with a servo motor. Learn input handling, actuator control, and integration of multiple components. This project combines automation, safety, and interactive electronics for practical applications.

Get ready for Part 3, we’ll explore advanced intermediate projects involving robotics, sensors, and wireless communication!