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.
wow, thanks, really didn't expect the response so quickly.
only problem is I have no idea what your drawing means. will copy and show to someone who might.
thanks, again!!
daniel
You are correct, it would be a polarity reversal every 15 min. And I was told it would need a 555 timer somehow.
It would be a 9 d-cell setup for the source of energy
Hello,
Would like some feedback on the following.
Need: timer for alternating current of a 3-4.5 volt source. needs to switch from pos - to neg -to pos etc. every 15 minutes.
thanks for any pointers as to where to look for info - or help.
daniel
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