ELM334 - Garage Doorman
The ELM334 is an integrated circuit for remotely monitoring the position of electrical contacts (on a garage door, for example) and reporting the position by way of coloured LEDs.
A two-wire interface is all that is needed to convey the position of the door to two remotely located LEDs, and to also
ELM334 Features
* Low power CMOS design
* Wide supply range - 3.0 to 5.5 volt operation
* Simultaneous monitoring of three inputs
* Fully debounced inputs
* Two wire interface to LEDs
* Stuck button protection on the control output
* Pulsed control output Con
