Explore and Discover Electronics Projects

This circuit utilizes an Arduino Uno R3 to manage a servo and an HC-SR04 ultrasonic sensor for distance measurement, controlling a 220V fan via a 12V relay. The system's status is displayed on a 20x4 I2C LCD screen, and the entire setup is powered through a 220V to 24V transformer with safety ensured by a fuse.

This project features an Arduino Nano-based circuit designed for environmental monitoring and automated water pumping. It integrates a DHT11 sensor for temperature and humidity readings, a YL-69 soil moisture sensor, and an LCD display for real-time data visualization. The system controls a mini diaphragm water pump via a relay module, making it suitable for applications like smart gardening or automated irrigation systems.

This circuit is designed as a modular environmental sensing system, leveraging the ESP32's Wi-Fi capabilities for data communication. It features an Adafruit TCA9548A I2C multiplexer to connect multiple sensors, including a DHT11 for temperature and humidity readings and an MQ-5 for gas detection, allowing for comprehensive environmental monitoring.

This project is a Bluetooth-controlled robotic car that uses an Arduino UNO microcontroller for command processing and an L298N DC motor driver to control four individual motors attached to wheels. The car receives commands via an HC-05 Bluetooth module, allowing for wireless control through a smartphone or computer. The Arduino code enables the car to move forward, backward, left, and right, with the ability to stop and start with commands sent over Bluetooth.

This project is a motor control system that uses an Arduino UNO to drive two DC motors via an L293D motor driver, with speed feedback provided by Hall effect sensors. The system includes red LEDs to indicate the activation of each Hall sensor, and the Arduino's firmware is programmed to control motor direction based on the sensor inputs. It's designed to be a foundational setup for robotics applications that require precise motor control and feedback.

This project is a Bluetooth-controlled robotic car that uses an Arduino UNO microcontroller and an L298N DC motor driver to operate four individual motors attached to wheels. The car's movement can be directed via Bluetooth commands from a paired device, allowing for wireless control of forward, backward, left, and right motions. The circuit is powered by a 12V battery, and the Arduino UNO is programmed to interpret Bluetooth signals to drive the motors accordingly.

This circuit is designed to monitor environmental parameters and alert for specific conditions using an Arduino UNO. It features sensors for temperature, humidity, flame detection, and obstacle presence, with outputs displayed on an OLED screen and physical alerts through a buzzer, LEDs, and DC motors controlled by an L298N driver. The system is ideal for applications requiring real-time environmental monitoring and response, such as smart home safety or automated greenhouse management.

This project is a Bluetooth-controlled car utilizing an Arduino UNO microcontroller and an L298N DC motor driver to manage the vehicle's movements. The Arduino UNO interprets Bluetooth commands to control the speed and direction of the motors connected to the wheels, enabling forward, backward, left, and right motions. The circuit is powered by a 2 x AA battery mount and includes LM393 sensors for additional functionalities, such as obstacle detection or line following.

This circuit utilizes an ESP-8266 microcontroller to wirelessly control four DC motors via a L298N motor driver. The system is powered by a 12V battery, with a LM2956 Buck Converter regulating the voltage for the ESP-8266. It's designed for applications requiring remote operation of multiple motors, such as robotics or automated systems.

This circuit utilizes an ESP-8266 microcontroller to monitor soil moisture levels and water levels, likely for applications such as smart gardening or irrigation control. The system is powered by a 12V power supply with voltage regulation, ensuring stable operation. The ESP-8266's Wi-Fi capabilities suggest potential for remote monitoring or control features.