ALLNET 4duino OLED (ALL-4duino-OLED) - ATmega32U4 Microcontroller Development Board with 0.96 inch OLED Display

The ALLNET 4duino OLED (ALL-4duino-OLED) is a compact and versatile microcontroller development board based on the ATmega32U4, featuring an integrated 0.96-inch monochrome OLED display. It is designed for rapid prototyping, education, and IoT projects, offering full Arduino IDE compatibility and a rich set of I/O options.

Advantages

On-board 128x64 pixel OLED display eliminates the need for external display modules, saving space and simplifying wiring. The ATmega32U4 provides native USB communication, allowing the board to act as a keyboard, mouse, or joystick. With 20 digital I/O pins, 12 analog inputs, and support for SPI, I2C, and UART, it offers flexibility for a wide range of sensors and actuators.

Suitable for

• Education and learning electronics and programming
• Microcontroller prototyping and development
• IoT and wireless projects (with external modules)
• Sensor data capture and display
• Wearable and portable devices due to compact size

Key specifications

• Microcontroller: ATmega32U4
• Operating Voltage: 5V
• Input Voltage (USB): 5V
• Input Voltage (VIN): 7-12V
• Digital I/O Pins: 20 (7 PWM)
• Analog Input Pins: 12
• DC Current per I/O Pin: 20 mA
• Flash Memory: 32 KB
• SRAM: 2.5 KB
• EEPROM: 1 KB
• Clock Speed: 16 MHz
• OLED Display: 0.96 inch, 128x64 pixels, SSD1306, monochrome
• USB Connector: Micro-USB
• Communication: SPI, I2C, UART
• Arduino IDE Compatible: Yes

Recommendations

For beginners and professionals alike, the ALLNET 4duino OLED is an excellent choice for projects requiring a compact board with built-in display. Pair it with sensors and actuators to create interactive applications. The board is fully supported by the Arduino IDE, making it easy to program and debug.