Waveshare XNUCLEO-F103RB, Improved STM32 NUCLEO Board Compatible with NUCLEO-F103RB, onboard Cortex-M3 microcontroller STM32F103RBT6 Arduino connectivity support, easy to connect with various Arduino shields and access the massive Arduino resources ST Morpho headers provide full access to all STM32 I/Os, easy for peripheral expansion Supports embed, build prototype quickly by embed SDK and online tools Comprehensive free software HAL library including a variety of software examples Comes with a separate ST-LINK/V2 module What’s on the XNUCLEO-F103RB: STM32F103RBT6 SPX3819M5 : 3.3V voltage regulator AMS1117-5.0 : 5.0V voltage regulator CP2102 : USB to UART convertor Arduino connector: for connecting Arduino shields ICSP interface: Arduino ICSP USB TO UART: for debugging USB connector: USB communication interface SWD interface: for programming and debugging ST Morpho headers: access to VCC, GND, and all the I/Os, easy for expansion 6-12V DC input User button Reset button Power indicator User LED 500mA fast self-recovery fuse Serial port Rx/Tx indicator 8MHz crystal 32.768KHz crystal ADC/I2C selection jumper short A and B : Arduino A4, A5 is used as I2C short B and C : Arduino A4, A5 is used as ADC UART selection jumper MCU current test jumper: for low-power tests Power selection jumper short 5V and U5V : powered from USB connection short 5V and E5V: powered from the external power supply USB enable jumper short the jumper to enable open the jumper to disable User button jumper short the jumper to connect to the I/Os used in the example code open the jumper to connect to other custom pins via jumper wires User LED jumper short the jumper to connect to the I/Os used in the example code open the jumper to connect to other custom pins via jumper wires
