I want to make a small thing to play with, but the esp8266 doesn't have enough pins. Whatever the pyboard sends to the esp8266, the esp8266 will send it back to me. How can I use uart to achieve this?
I would like to ask you, can the piezoelectric accelerometer not measure the acceleration of gravity? Is it a static measurement? Why does the vibration collector still have output when the accelerome
[table=98%,rgb(239, 245, 249)] [tr][td]The same machine, powered by computer USB, different systems, the current difference is 120mA, similar to the desktop camera product. XP system is 120mA more tha
1. Detection of fixed capacitors?? 1. Detection of small capacitors below 10pF?? Because the capacity of fixed capacitors below 10pF is too small, using a multimeter to measure can only qualitatively