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
This equipment adopts independent system, with vibration control system and constant temperature and humidity control system; it can perform individual test or composite test on high temperature, low
Are audio amplifiers, Class A, Class B, Class C, Class AB, Class D, OTL, etc. circuits a type of DAC amplification? What are the similarities and differences with ordinary DAC analog voltage amplifica
Wide-area wireless network operators are increasingly involved in mobile broadband access and rich multimedia services. These services pose great challenges to wireless networks. Operators need to mak
1. Flash specificationsThe main chip used in this article is N32L436RBL7, and the flash size is 128k
The flash is divided into 64 pages, numbered 0-63, and each page is 2k.2. Precautions for flash ope