Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
For TV or monitor, it is all LCD.
After I on the relay, I wait quite a long time to try to off it, probably more than 1 minute.
Like I have said, this situation only happen sometimes. Like 10 times out of 100 times when I off it. You can still hear a faint click sound when I off the relay, just...
I have not checked the voltage of the base of the transistor. Like I've said, it's quite hard to simulate the problem again (10 time out of 100 times will happen). I will check it when it happen again.
But a weird thing I notice is that:
The normal workable relay wil gv a clear click sound...
Hi guys,
I have attached my relay application schematic below. I have also attached the relay picture that I used.
Now I face the problem that the relay can't be turn off (open contact) after turning it on. My load is 240VAC TV or monitor.
I have tested a few times and it can't be turn off 10...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.
