Tagged Questions

-7
votes
2answers
105 views

Send a signal through the powerline [closed]

I would like to what is the easiest and cheapest way of sending a signal through a 110 volt outlet wiring to another outlet on the same phase or on a different phase. I would like to know if a light, ...
5
votes
2answers
453 views

How does an inverter affect the computer?

I have rampant power failure in my country. So to mitigate, we have an inverter that basically converts the charge from a big lead-acid battery to AC. But as far as i know this doesn't produce pure ...
12
votes
4answers
6k views

Creepage distance for PCBs handling line voltage AC?

What is the required creepage (e.g. trace-to-trace) distance for PCBs handling 240VAC rms? What about 120VAC? This is for UL and CE certification. The standards for PCB Creepage (e.g. the distance ...
5
votes
4answers
301 views

First mains-powered project - best practices?

I'm about to commence building a project that's basically a USB-controlled dimmer. I think the main components will be: Velleman K8064 voltage-controlled dimmer Phidget 1018 usb interface board ...