[i=s]This post was last edited by nwx8899 on 2015-12-3 20:30[/i] [backcolor=rgb(239, 245, 249)]The information I have found so far mainly talks about the following two solutions for detecting phase cu...
[align=left][color=rgb(51, 51, 51)]For electronic equipment, a certain amount of heat will be generated when working, which will cause the internal temperature of the equipment to rise rapidly. If the...
The output waveform is shown in the figure above, the circuit schematic is as shown below, the op amp power supply is positive and negative 8V
No matter how you adjust the sliding rheostat, the output...
It is similar to a resistor with a switch, and the measured current signal is in the form of a square wave. How can we measure its fixed equivalent resistance, or how can we calculate it by calculatio...
[font=Tahoma, Helvetica, SimSun, sans-serif]The Flash Download Tools software for ESP8266 has been upgraded again. It supports ESP8266, ESP8285 (ESP8266 with built-in flash), and ESP32. [/font] [img=3...
There is a sentence in the Makefile of embedded U-boot: smdk2410_config: unconfig @$(MKCONFIG) $(@:_config=) arm arm920t smdk2410 NULL s3c24x0 The textbook explains that the result of $(@:_config=) is...