Search found 4 matches

by Evansus
Fri Mar 12, 2010 5:24 pm
Forum: General Discussion
Topic: Switching High voltage high amp DC
Replies: 3
Views: 581

Re: Switching High voltage high amp DC

Thanks for the replies.
The mosfet approach should work and the traces don't turn out to be as wide as I was thinking so should be good.
I will probably use a rotary switch to keep it simple
by Evansus
Thu Mar 11, 2010 4:47 am
Forum: General Discussion
Topic: Switching High voltage high amp DC
Replies: 3
Views: 581

Switching High voltage high amp DC

Hi All I want to switch a voltage (100-150VDC) with current possibly as high as 4amps using a microcontroller and/or a user selectable switch. The voltage will be distributed to 4 separate circuits and each should be selectable independently. Does anybody have a circuit that can do this? I was consi...
by Evansus
Thu Jan 29, 2009 1:14 pm
Forum: General Discussion
Topic: Membrane switch
Replies: 2
Views: 947

Membrane switch

Thanks much for the info on the digikey part no. This switch would work for the application. Ideally though I was looking for a diamond layout with Up/Down at top and bottom and Back/Enter in the middle - would be a little bit easier to ensure right button is pressed and be a little more intuitive i...
by Evansus
Wed Jan 28, 2009 7:11 pm
Forum: General Discussion
Topic: Membrane switch
Replies: 2
Views: 947

Membrane switch

Hi There
Does anyone know where I might be able to find an off-the-shelf membrane switch with 4 buttons. I need Up/Down/Enter/Reset and the switch will be on the right of a 4 x 20 lcd display.
Thanks in advance for any suggestions
Evansus