According to data released by the National Bureau of Statistics, the number of civilian cars in my country reached about 260 million at the end of 2019. Although the development speed has slowed down
[i=s]This post was last edited by hujj on 2020-10-20 17:03[/i]I have prepared to test the Bluetooth function many times before, but I couldn't compile the sample code every time. From the compilation
When using the micro-core sliding film observer, it is found that when the compensation is 90 degrees, the observed angle is ahead of the actual angle, and the bus voltage is different, the leading an
The company wants to buy a BPM shortwave receiving module, receiving frequency 2.5MHz, 5MHz, 10MHz, 15MHz, does anyone know which one sells it? Please recommend