I took some time to test it and found that WS2812 can be used normally. I will sort it out first, and then introduce some precautions and how to download the firmware.
Considering the user groups who are accustomed to command line operation, MounRiver Studio (MRS) not only uses a graphical UI for user interaction, but also provides command line operation instruction
CH582 Wired Keyboard to Bluetooth Keyboard
Combining the USB-HOST and Bluetooth HID keyboard routines, a device that converts a wired keyboard to a Bluetooth keyboard is made. The code is as follows:
I use the GD32F103Cxx microcontroller. I turned on the PWM function provided by the microcontroller. After initialization, the output can be output normally, but there is a problem that cannot be solv
[i=s]This post was last edited by sky999 on 2019-7-15 17:52[/i]When only 5V is powered, the LED does not light up. When 220V is powered, the LED lights up. If the neutral wire is disconnected and the