In the DC-DC mode of BLUENRG, the voltage output is only about 0.5V, and the output of LDO is also only about 0.5V. The MCU cannot operate normally, and the SWD interface cannot be detected using J-li
zephyr/make-minimal: Disable FAT and LFS2 options to make it build.
zephyr: Implement machine.Pin.irq() for setting callbacks on pin change.
lib/utils: Protect all of mpirq.c with MICROPY_ENABLE_SCHED
Source: iFixit, Layout: EETWeChat Official Account: Chip Home
Recently, iFixit, a well-known repair and disassembly organization, disassembled Apple's latest Bluetooth tracker AirTags and shared multi
When sending characters through the serial port for the first time, the program can enter the interrupt processing function and the LCD displays "b". When sending characters again, the program cannot
Let’s first briefly review what oscilloscope triggering is.
Since signals are changing all the time, if we display them all on an oscilloscope, it will be very messy and we can't see clearly, so we ca