Garage Doorman
Description
ELM334 Garage Doorman
Description
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 provide pushbutton contro...
ELM Electronics
ELM334 PDF File
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