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0 answers
64 views

Can I use an Apple charge Cube (5W power) through a Ripcord 9V to USB to feed a Roland SP 404 (2.7 W draw) Safely?

I am asking this as I want to be extra sure this setup does not damage my 404 Sampler as its an expensive item of mine and it's very dear to me so I want to be careful. Here is the scenario: I have ...
cherlie margnus's user avatar
17 votes
4 answers
6k views

Is this resistor leaking? If so, is it a concern?

I found this resistor on the control board of an old Whirlpool washing machine: Is that fluid leaking from the resistor? Why would that happen? Could it be something like stray epoxy or a chemical ...
Nonny Moose's user avatar
3 votes
1 answer
80 views

Shipping & Handling Electronics & Electro-mechanical parts

What are common packaging(Shipping & Handling) guidelines (specs/stds) for Electronics & Electro-mechanical parts? Currently, working on adding onto our current generic guidelines for ...
ee-jpe's user avatar
  • 31
3 votes
1 answer
2k views

What frequency and voltage should the electrical outlet have in order to be the least harmful to humans and still be useful to modern appliances?

Studying electronics a few years back I came across a graph like this one: Showing that 50-60Hz current that is by far the most popular power coming from the electrical outlets in homes everywhere is ...
ThePiachu's user avatar
  • 193