JOY-IT Arduino I/O Expansion Shield CR- EURE NUMMER

The JOY-IT CR- EURE NUMMER is an Arduino I/O expansion shield that breaks out all digital and analog pins into convenient 3-pin headers, making sensor and actuator connections quick and solderless. Unlike basic breakout boards, it adds onboard test and interaction components—a potentiometer, buzzer, LEDs, and push buttons—so you can validate inputs and outputs without extra wiring. Dedicated interfaces for popular modules like the HC-SR04 ultrasonic sensor, DS18B20 temperature sensor, and common Bluetooth modules streamline prototyping and educational projects.

Highlights

• Breaks out 14 digital and 6 analog I/O pins with VCC, GND, and signal headers
• Onboard potentiometer, buzzer, LEDs, and push buttons for quick testing
• Dedicated connectors for HC-SR04 ultrasonic, DS18B20 temperature, and Bluetooth modules
• Compatible with Arduino UNO R3, Mega 2560, Leonardo, and compatible boards
• I2C, SPI, and UART communication interfaces accessible

In daily use

Plug the shield onto your Arduino and immediately gain organized access to every I/O pin. The 3-pin headers accept standard servo-style connectors, so you can attach sensors and actuators without a breadboard. Use the onboard potentiometer to simulate analog input, the buzzer for audible feedback, and the buttons for user input during development. The dedicated module interfaces reduce wiring errors and speed up prototyping.

Full specifications

• Compatibility: Arduino UNO R3, Mega 2560, Leonardo and compatible boards
• Digital I/O: 14 pins (D0-D13) with 3-pin headers (VCC, GND, Signal)
• Analog I/O: 6 pins (A0-A5) with 3-pin headers (VCC, GND, Signal)
• Communication interfaces: I2C, SPI, UART
• Onboard components: potentiometer, buzzer, power LED, user-programmable LED, reset button, user-programmable button
• Dedicated module interfaces: HC-SR04 ultrasonic sensor, DS18B20 1-Wire temperature sensor, Bluetooth module (e.g., HC-05/06)
• Operating voltage: 5V DC (supplied by Arduino board)
• Application: prototyping, sensor integration, educational projects

Final note

A practical shield for Arduino enthusiasts who want tidy wiring and built-in test components.