1.Chip board STM32F103RBT6

2.Board JTAG interface and reset button

3.The onboard crystal 32.768KHZ and 8MHZ

4.With a 5V chip, 3.3V AMS1117-3.3 switch

5.With a RS232 serial port, UART1 and UART2 can be set by jumper

6.All I / O all the leads, and mark the I / O name

7.Supports USB power supply and power supply JLink Power On

8.Board size 71 (mm) * 99 (mm)

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