The new generation of iPhone 8 / iPhone 8 Plus / iPhone X that supports PD fast charging has appeared. Although most consumers know that iPhone already supports fast charging, and major media have als...
485 (generally known as RS485, EIA-485) is an electrical characteristic of the physical layer of the OSI model, which specifies the standard for 2-wire, half-duplex, multi-point communication. Its ele...
This car charger was given to me by someone else. It is of good quality and should be a relatively cheap one. I changed it after using it for a while because of poor contact. Now the new one I bought ...
Abstract: This paper quantitatively analyzes , and gives the standards and precautions for determining the calculation methods of trigonometric functions in servo control software, which is helpful fo...
The signal at the signal input IN is a sine wave (which contains more harmonic components). Remember to filter and follow it and then pass through a passive crystal oscillator. The 8M marked on the fi...