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0
votes
1answer
66 views

Adding hysteresis to MOSFET used as a switch

I have a low-voltage detection circuit which I use to trigger one of two LEDs (green, and red) that is powered off of a +9V battery cell. As the battery discharges, its output voltage decreases, until ...
3
votes
0answers
424 views

How to cut PCB? [closed]

This is actually an answer to a thread that was recently "protected" before this answer could be posted. I've tried various saw blades on FR-4 but it dulls them too quickly. A hacksaw works but I ...
3
votes
5answers
1k views

How to remove glued capacitor from the board?

How to remove that capacitor from the board? In the question about damaged power supply I was told to use "a sharp utility knife", but it don't cut that thing (is it epoxy?). Also tried old ...
36
votes
15answers
27k views

How do you cut PCB?

I just spent about 20 minutes trying to cut through a PCB with a hacksaw. These things are really tough. What is the correct tool to cut PCB material, and get a nice straight line? I saw something ...
5
votes
4answers
271 views

Reasonably priced laser cutting service in the UK?

Has anyone had any experiences with laser cutting services in the UK? I've googled but most of the results seem to be for expensive industrial setups. What I'm looking for is someone who can do pretty ...
4
votes
4answers
3k views

What kind of laser should I get to cut fabric?

I'm brainstorming a new project with my wife and was wondering what type of laser I could use to cut multiple layers of fabric? F.Y.I. I'm a total noob when it comes to lasers and integrated ...