Bought a wifi module and it just arrived this week.
Since I have to go back to my hometown for New Year's Day, I don't have time to adjust. I have to take a week off this week. Sorry.
The wifi functio...
Peregrine Semiconductor recently exhibited the PE42671 SP7T mobile phone switch, which uses the company's new generation UltraCMOS process with enhanced HaRP technology to complement the previously la...
[size=14px]The problem is this: when I was using STM8L, I defined a global variable A, and only assigned an initial value of A=5 during initialization. During the entire program life, [/size][color=#f...
The adjustable power supply composed of LM317 has the following two problems:
1. What is the function of the circuit composed of VQ1 and R3 in the figure?
2. What is the function of VD2 in the picture...
1. DIP switch
This is a cross section of a plain old DIP switch. There are four groups of switches in this component. This is one of the switches.
This is the annotated version. It looks very simple. ...
After a circuit board is soldered, when checking whether the circuit board can work normally, it is usually not powered on directly. Instead, follow the steps below to ensure that there are no problem...