Thanks for the responses to my CP290 code example...(sans code tags ) The pack H definition is what I needed to send a the string of hex Fs... The Device::SerialPort module I'm using is the one that came with PCLINUXOS. I still get no response from the CP290 ... This is a hobby so I don't mind experimenting... I spend a lot of time on the forums and believe me the help I've gotten would fill a good sized howto. Thanks again Ted in Atlanta

In reply to Re^2: Device::Serial CP290 by Anonymous Monk
in thread Device::Serial CP290 by GaTk

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