I used PIC16F54 to make a program to switch the digital tube display by key scanning. The digital tube is driven by 74HC164. The display program has been tested and each page can be displayed normally
The specific situation is this: the MCU and 164 used before were on the same circuit board. When the power was turned on, the digital screen was good and would not flicker. Now, because the driver par
The issue discussed this time is the relationship between transformers and inductors. It should be noted that the scope of this topic is limited to "the relationship between transformers and inductors
[i=s]This post was last edited by eagler8 on 2022-6-27 10:33[/i]The idea of 37 sensors and modules is widely circulated on the Internet. In fact, there are definitely more than 37 sensor modules that
I want to make a Bluetooth device by myself, powered by dry batteries. Two AA batteries take up a lot of space, and the button battery has a small capacity, so I want to use one AA battery. I want a b