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.
would like to build a push button timer. push the button the timer is set for 17 min then alarm goes off. also the timer must be able to add 1-2 minutes and subtract 1-2 minutes if desired.
push button again to turn off alarm. (nothing more than the simplist alarm clock that turns on when...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.