First, let's summarize the serial ports 232, 422, and 485.
Serial port 232: bidirectional transmission, full-duplex, maximum rate 20Kbps, negative logic level, -15V~-3V logic "1", 3V~15V logic "0".
Se
A direct reduction of 1,500 yuan, only 7,000 yuan!Purchased from Keysight flagship store, 3-year manufacturer warranty (if it is not a man-made fault, the manufacturer will send someone to pick up the
[i=s]This post was last edited by manhuami2007 on 2018-12-30 11:43[/i] Steps to start programming using IDE: [list=1] [*]Download IDE [*]Download SDK and import it into IDE[*]Start programming from th
Portable devices usually have a built-in battery. When plugged in, they are powered by USB, and when unplugged, they are powered by the battery. The input usually has a voltage required by the DCDC co