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jeudi 14 février 2013

The new STM32F4DISCOVERY extension board

STMicroelectronics has announced a set of three boards expands the functionality of the STM32F4 Discovery Kit. As an embedded system developer have worked in many projects based on STM32 microcontroller, I find these board very useful to expand all features of the microcontroller and  helpful to custumers to create their projects based on STM32 Disccovery kits.


STMicrocontronics fllow the path of the open hardware project Arduino to support their product, specially their microcontroller Discovery board and open the horizon for the junior developer and hobbyist to build theirs system.

As indicate in the official web site: The packet is based on main board, connected to the STM32F4 Discovery provides Ethernet connectivity, a micro SD Card slot and extension connectors for the two other boards, and provides easy access to features such as UART, SPI, CAN and so on.

The second bord is a digital camera board featuring a 1.3 Megapixel CMOS sensor and the third board is a 3"5 LC with touch screen capability connect to the main board to form a complete system.

For more information about the product visit element14 link. and you can see also this video of a demo build with assembling three boards.




Then if you have one STM32F4 Discovey kits and you want to try one of these features:



  • Internet connection
  • LCD Display
  • Camera Capture
  • USB connection
  • Micro SD storage
It's maybe time to get one STM32F4DIS-EXT to help you to realize these functions.

The pictutre in ARMkits site present the connectors and interfaces on base board.


Working and Storage Temp.: 0~45°C
Power consumption: +5V@80mA (working without LCD)
Dimensions: 97.03mm x 83mm
LCD parallel interface, 16-bit, 8080 mode
4-wire resistive touch screen interface
Camera interface (support 1.3 megapixel Digital Camera, multiplex with UART6)
One RS232 Serial port (UART6, DB9 connector, multiplex with Camera interface, can be selected by jumpers JP1 and JP2)
One USB2.0 FS OTG/device/host port (12Mbps, Micro-AB type connector)
One 10/100Mbps Ethernet Interface
One 2.54mm pitch 2*20-pin expansion connector brought out below hardware peripherals:
- 5 Serial ports, TTL voltage (multiplex with some functions)
- 4-channel PWM
- 1-channel SPI
- 1-channel I2C
- 1 CAN2.0B interface (need to extend CAN transceivers)
- 6 GPIOs

So I wait to see many new projects similar to Arduino concept.
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