@xjtuecho
非典型性码农
An improved dev-board for LQFP-48 Cortex-M and RISC-V MCUs.
https://oshwhub.com/spadger/bluepill
An ARM CMSIS-DAP debugger firmware on STM32 device.
A 3'rd party battery pack for OWON EDS102C Oscilloscope.
high precision voltage, current, temperature meter and logger.