I have tried it many times but it just doesn't work. I have also modified the program many times. At the beginning, it could only detect about 30cm, then it could detect 120cm, and now it can detect 1
[align=left][font=微软雅黑][size=3]The following ranking is in no particular order. It is just a small review of the wonderful posts on the forum last week. The purpose is to facilitate more netizens to t
Infrared remote control based on MSP430G2553 Infrared remote control principle: Infrared wireless remote control is mainly used to control the operated object at a short distance (generally reliable w
I used stm32 to simulate a USB keyboard. I referred to the example of the st usb library.I found that when sending, the PC would send continuously after receiving it once.It should seem that it is sen
The microcontroller is 5V, but many indicator lights are 24V. Most indicator lights have a current of 10~100MA, and there are usually more than 10 of them. I often use optocouplers + transistors to sw