Nicot31

It is a card with a lot of possibilities and a small price (about $15). If we compare with the Ardruino cards, this card is much more efficient for the same price.

STM32F4-Discovery Key Features:

• STM32F407VGT6 microcontroller featuring 32-bit ARM Cortex-M4F core, 1 MB Flash, 192 KB RAM in an LQFP100 package
• On-board ST-LINK/V2 with selection mode switch to use the kit as a standalone ST-LINK/V2 (with SWD connector for programming and debugging)
• Board power supply: through USB bus or from an external 5 V supply voltage
• External application power supply: 3 V and 5 V
• LIS302DL or LIS3DSH ST MEMS 3-axis accelerometer (LIS3DSH on last versions)
• MP45DT02, ST MEMS audio sensor, omni-directional digital microphone
• CS43L22, audio DAC with integrated class D speaker driver/li>
• Four user LEDs, LD3 (orange), LD4 (green), LD5 (red) and LD6 (blue)
• Two push buttons (user and reset)
• USB OTG FS with micro-AB connector to interface externes systeme (USB key, PC, …)
• Extension header for all LQFP100 I/Os for quick connection to prototyping board and easy probing

For more details, you can consult the publisher’s link: STM32F4-Discovery