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.
I am a rookie, just started to learn PCB drawing, using Altium Designer 13.
I had a problem: I had to drill a hole in my board, just a physical hole, without electrical properties, not the kind of pad.
At first, because I didn't understand, so.
1. I drew a circle on the schematic Drill Drawing...
Hi,
I'm thinking of making a multi drill for wood drilling, that uses anywhere from 6 to 9 9V or 12V DC motors. These motors would be wired in parallel, with one battery source. I'd mount a drill chuck on each of the motors shafts for a drill bit. Now, I need a little bit of help from you. Do...
Old Makita drill to fast for some applications I need to be able to slow it down but also keep it on high speed to do two things at once but I can't afford the new one that does that already is there some way I can slow down without draining the battery down so I can still use it fast as well...
Hi all,
Can anyone explain why some motors regularly burn out, I am thinking specifically about electric hand drills and to a lesser extent angle grinders.
I know how they burn out- normally the insulating varnish on one of the coils breaks down and creates a short- I think that is right. If...
A small drill press is essential if you are making printed circuit boards or custom tag-boards where fine twist drills of typically 0.8mm and 1 mm are used.
A standard drill press is a bit bulky and typically does not have a sufficiently high speed or suitable chuck for small drills. And hand...
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