Waft-UI component learning ( 2 )
Following the previous test of the components in waft-UI , this time we will continue to test the picker , switch and card .
1. Learning the picker component
Waft-UI p...
The tutorials on the Internet are incomplete. For example, after placing the pin pads on the chip package, I cannot place the center pad. I did not find any tutorials on how to place the center pad....
[backcolor=rgb(222, 240, 251)]I bought a STM32F767 development board, which has an SDRAM W9825G6KH. [/backcolor] [backcolor=rgb(222, 240, 251)]The schematic diagram is as follows: [/backcolor][table=9...
This code uses Proteus simulation, uses 51 single-chip microcomputer to simulate PWM, uses timer to obtain motor speed information, uses PID algorithm speed, speed, P, I, D can all be set with buttons...
Today I saw a power filter circuit like this. After the power is turned on, the normally open contact of the relay is closed and the filter capacitor (8UF) is substituted into the circuit through two ...