It's easy - Just click the "Subscribe" link below to review your options and place your order.
Manage Your Account - click the "Access" link below to find out more and Log In.
Garage Alarm
November 2007
I have seen many simple garage door alarm circuits through the years, but this one is a little different in that it connects directly to popular lines of Genie garage door openers. While I use it with a model IS550, it should work with many other Genie models as well.
Wirespondence, Serial Bluetooth with a Micro, Analog Front End, AM/FM Receiver Restoration
Selected questions from past Q&A columns.
Need to brush up on your electronics principles? These multi-part series may be just what you need!