The fault phenomenon is: Sometimes, at the moment of power-on, the DC/DC chip breaks down, and the following 1117-3.3 is also broken down (the three terminals of 1117 are close to short circuit, only ...
Serial communication is widely used. It outputs the key information of the lower computer to the PC through the serial port. It looks comfortable and convenient to use. It is often used when debugging...
As shown in the figure below, the circuit has the following problems:1. The output V1 of the above op amp was tested with a 6.5-digit multimeter. The value dropped at a speed of about 1uV/S in the uV ...
[Preface] Some services or programs need to be automatically enabled when the computer is turned on, and they need to be added to the startup service. Today, according to the tutorial, we will show yo...
1. Overview: The pulse counting controller has a wide range of uses. It can count the pulses converted from many physical quantities and output control signals. The programmable pulse counter composed...