USB modules

Can you recommend any USB modules for a) monitoring contact switches (e.g. NO/NC contacts in a PIR), and b) controlling relay switches (e.g. turn on an IR source and security camera)?

Best, Christopher

Reply to
Christopher Glaeser
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If no one here offers assistance, try posting this query to news:comp.home.automation. There are a number of people there who may have suggestions for you.

Reply to
Robert L Bass

Thanks Robert. - Christopher

Reply to
Christopher Glaeser

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