When the 51 MCU sends a string, all the characters displayed on the serial port debugger are "0\". During debugging, I display each character on LCD1602 first, and then send it to SBUF, but the comput...
[size=4]1. MCU selection [/size] [size=4] When selecting an MCU, you need to consider the functions that the MCU can perform, the price of the MCU, power consumption, power supply voltage, I/O port le...
The AD621 is similar to the AD620, except that the gain resistors for setting gains of 10 and 100 are already integrated on the chip—no external resistors are required. Selecting a gain of 100 require...
[i=s]This post was last edited by qwqwqw2088 on 2021-3-8 08:59[/i]This article introduces some common methods and shortcut keys for drawing schematics in KICAD.
It is mainly divided into the following...