I am using PIC12F509 microcontroller. After compiling the program, the following prompt appears. I am not quite sure what the following prompt means, especially the sentence "Extra space: STRING used
GBLS MainEntry MainEntry SETS "Main" IMPORT $MainEntry Isn't MainEntry already defined in the first line? Why do we need to use IMPORT $MainEntry to import it? In addition, what does the symbol $ mean
As follows: INTre[4] is the constant I received through the serial port; secondpage is a fixed value. Now I need to use the data received by INTre[4] to determine the corresponding data in the secondp
[size=4][color=#000000][backcolor=white]Used to measure air pm2.5, this sensor estimates the particle concentration by measuring the duty cycle of the signal[/backcolor][/color][/size] [size=4][color=
Sorry, I have something to trouble you. The teacher assigned a homework. I didn't read the requirements when I designed the schematic diagram before, and I made a mistake. Now time is a bit tight. I h