The life of lithium batteries varies depending on the type. Theoretically, the average life of lithium batteries is more than 500 times. If we charge them once every three days, the theoretical life o...
The production of PHS continues to decline 2006-6-8 The Ministry of Information Industry released the latest survey of the electronic information industry on June 6, which showed that from January to...
[size=4]The special function register SFR of the microcontroller is an SRAM unit with a fixed SRAM address. There are two ways to access it in the C language environment. [/size] [size=4] [/size] [siz...
[i=s] This post was last edited by Rambo on 2019-5-14 14:23 [/i] [align=left][color=#000][font="][size=3]Complementary filtering principle: [/size][/font][/color][/align][align=left][color=#000][font=...
I recently used a serial port screen. The voltage of the serial port screen is 5V, so the voltage of the serial port communication is also 5V. My main control is powered by 3.3V. I originally wanted t...
[i=s] This post was last edited by Sevenfee on 2018-11-6 20:32 [/i] [size=14px]Using PIC16F887 microcontroller to generate square wave, when I set the square wave frequency to 4KHz, the waveform is no...