DFRobot's Expansion Shield for Intel Joule is a valuable addition to the Intel Joule compute module and its carrier Expansion Board. Designed specifically for robotics, smart gadget, and IoT device development, this expansion shield enhances the capabilities of the Intel Joule platform with additional features.

One of the notable additions is the support for analog input, allowing for the integration of analog sensors and inputs into your projects. This expands the range of possibilities and enables more precise measurements and data acquisition.

The expansion shield also includes a switchable power voltage feature, allowing you to select between 3.3V and 5V power supply options. This flexibility accommodates a wide range of devices and components that require different power levels.

Furthermore, the expansion shield incorporates standard extended connectors compatible with DFRobot's Gravity Series sensors and modules. This compatibility makes it easy to integrate a variety of sensors and modules from the Gravity Series, offering a seamless experience for users familiar with DFRobot's ecosystem.

In terms of form factor, the expansion shield matches the size of the expansion board, allowing it to be conveniently mounted onto the board using breakout pins. Its well-designed shape and layout ensure easy access to connectors, LED indicators, and buttons on both the Intel Joule compute module and the expansion board.

With DFRobot's Expansion Shield for Intel Joule, you can expand the capabilities of your Intel Joule platform, enabling the development of robotics, smart gadgets, and IoT devices with added functionalities.

Specifications:

Digital I/O: 8
PWM: 4
Analog I/O: 8 (using onboard chip via I2C)
SPI: 1 (with 3 chip select pins)
I2C: 3
UART: 3
Power Output: 5V & 3.3V & 1.8V
Gravity I2C: 1
Gravity UART: 1
Module Voltage: 5V or 3.3V
Size: 86mm * 71mm * 22mm
Weight: 30g