[align=left][color=rgb(25, 25, 25)][font="]Nowadays, our lives are inseparable from power supply. Lighting needs power supply, watching TV needs power supply, air conditioning needs power supply... So...
[i=s]This post was last edited by w494143467 on 2021-7-10 17:56[/i]1. Introduction
When designing the equipment outside the mine, we thought that it would be difficult for the personnel going down the...
w494143467onsemi and Avnet IoT Innovation Design Competition
When I was a graduate student, I took a course in the first semester called Integrated Automation of Electrical Systems. The teacher of that course was an old professor.
The students he taught needed ...
The above picture is the optocoupler input circuit that I often use. I have never studied it before.
Question 1: What is the purpose of the 300 ohm resistor R2 in the circuit?
Question 2: After the sw...