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I think refrigerator compressor motors are single-phase motors. It’s cheap, and it can run right off the mains single-phase supply.
But single-phase motors don’t start very well - depending on what the position the motor is in, it might start rotating in the wrong direction for the pump to...
Hello everyone, I am studying abroad and I am working on a speedometer project.
I am preparing to use an ultrasonic transmitter and receiver to make an ultrasonic sensor circuit, and then connect it with the single-chip microcomputer msp430 to realize the functions of speed measurement and...
I saw an LM358 circuit while browsing the video. Here is a brief copy of the circuit description:
The core of the breathing light circuit is LM358, which includes two independent, high-gain, internal frequency-compensated dual operational amplifiers, which together with the external circuit...
Someone asked me a question about this LM317 circuit. .
The picture is the schematic diagram of the LM317 adjustable regulated DC power supply circuit. The design uses a single-phase bridge rectifier circuit. In response to this design, someone asked me,
"If you use a rectifier bridge circuit...
I have just come into contact with electrochemistry recently. I don't understand many questions. Please help.
The CHI660B of Chenhua I use uses KOH aqueous solution as the electrolyte and nickel foam as the current collector. When doing cyclic voltammetry, the potential range is not wide. I read...
Can a light sensor read the current light intensity through Arduino programming?
(Image source:https://www.apogeeweb.net/electron/basics-of-light-sensor)
Thanks in advance!
A DC24V DC ballast made of IR2156's IC with conventional fluorescent lamps. Now I soldered a board according to the attached circuit diagram and found that it does not work. Please help me to see if there is a problem with the circuit or with parameters. Thanks in advance!!
Hello everyone! I just read an article and it mentioned a dual-loop optoelectronic oscillator. I don't understand what it is. Is there someone who can explain it in a simpler way for me? There is the circuit diagram:
Image...
I feel that arduino is for electronic enthusiasts who have spare money. If you are professional, it is difficult to learn the real skills with these electronic building blocks (circuit design, pcb layout, wiring, etc. are very important).
The other is that the cost is too high. The Raspberry Pi...
At present, on-street parking and outdoor parking lots generally use geomagnetic sensors. The magnetic field changes caused by the entry of ferrous vehicles are used to determine whether there is a car. The geomagnetic detector has a geomagnetic sensor inside.
I have to say there are not many...
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