STM32 VL Discovery

http://www.st.com/stm32-discovery

Specifications

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Pinout

Hover the mouse over a pin function for more information. Clicking in a function will tell you how to use it in Espruino.

• Purple boxes show pins that are used for other functionality on the board. You should avoid using these unless you know that the marked device is not used.
• ! boxes contain extra information about the pin. Hover your mouse over them to see it.
• 3.3v boxes mark pins that are not 5v tolerant (they only take inputs from 0 - 3.3v, not 0 - 5v).
• 3.3 is a 3.3v output from the on-board Voltage regulator.
• GND is ground (0v).
• VBAT is the battery voltage output (see the Espruino Board Reference).
• ADC is an Analog to Digital Converter (for reading analog voltages)
• PWM is for Pulse Width Modulation. This creates analog voltages from a digital output by sending a series of pulses.
• SPI is the 3 wire Serial Peripheral Interface.
• USART is a 2 wire peripheral for Serial Data.
• I2C is the 2 wire Inter-Integrated Circuit bus.
• CAN is for the Controller Area Network. It is not supported by Espruino.