[i=s]This post was last edited by gs001588 on 2022-1-22 22:43[/i][Evaluation of domestic FPGA Gaoyun GW1N-4 series development board]——12. Two tips (multi-function pins and board silk screen)Tips (1):
This is my first time to use CAN bus. Recently, I need to send and receive data through CAN bus. When I use microcontroller to send ID=0x401, I check the waveform and find that the actual data sent is
Knowledge point 1: pointer
1. Pointer: The first number of the variable's storage space in memory is called the address of the variable, also called a pointer.
Pointer variable: It is used to store a
There are two main issues here:
1) How are the 2Ω of R150 and the 300Ω of R151 calculated? Or is it an empirical value? Is the 300Ω just used for current limiting of the voltage regulator BZX84-B13?
2