After setting up the development environment, first drive the existing LED on the board and tune the serial port to print debugging information. Because the provided routines include the use of this p...
[i=s]This post was last edited by oxygen_sh on 2022-3-17 19:54[/i]I am going to use the National Technology M4 development board to make a three-phase motor control application. I searched the box and...
When applying AR1021X modular integration, some applications need to use modules as soft AP, which involves the hostapd configuration problem. If the configuration is not good, there will be no SSID h...
Problem description:For most chips, there is usually a soft start pin in the chip's function pins. Its function is to slowly increase the output voltage to the set value and reduce the inrush at the s...
1. I recently encountered this problem when adjusting the board: the board functions normally when the emulator is plugged in and running online, but some functions of the board are abnormal when it i...
We often come into contact with crystal triodes and are familiar with their use. Relatively speaking, we are a little unfamiliar with crystal field effect tubes. However, due to the unique advantages ...