特徴

• The Xadow LED 5x7 consists of a 5x7 monochrome LED matrix and a LED controller. You can sending command to the LED controller through I2C interface（address 0x21）to display numbers、letters or even pixel images. This could come handy sometime in your project.
• Include
• Xadow LED 5x7 * 1
• FPC Cable 11 PIN * 2
• Features：LED Matrix
• Plug-and-play if connected with RePhone Kit Create
• Open source and modular design
• Slim and small
• Built-in 11 PIN Xadow Connectors for full flexible connection with other Xadow Modules
• Stackable、chainable and sewable with other Xadow Modules
• Specification：Microcontroller：STM32F030F4
• Core：ARM 32-bit Cortex -M0 CPU
• Power Supply：3.3 6V（via breakout pins）
• Flash：16 KB
• SRAM：4 KB
• Clock Speed：48 MHz
• Interfaces：Interface with Xadow GSM+BLE through
• I2C（7-bit address 0x21）
• Dimension：25.37mm X 20.30mm / 1'' X 0.8''