I want to use 51 to make an electronic lock, but I don't know how to do it. I hope you can give me some ideas, and it would be best if you can attach a circuit diagram or something.
The phenomenon encountered is that after powering on, ADN8834 works normally at first, and then after powering on again, it is found that the supply current increases and the voltage is pulled down. A
In my personal experience, there are some common misunderstandings in wireless selection: 1. Communication rate. For example, many companies advertise that the rate of NRF2401 is 1MBPS. However, in fa
I am doing a 232 communication, hoping to send a hexadecimal number such as 0XFE to the PC, and then the PC can read the hexadecimal number through the program written by DELPHI. Does anyone have this