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  1. I am open to anything. I don't want do build the device myself so I'd like to find something that is intended to be used for an application like this or find someone to build it for us. We are probably going to need 30 or so. Thanks
  2. I need to monitor the singal from a liquid flow meter in a pc application. The documentation says that the output is pulse in a "digital open collector signal." It also specifies that a 820 ohm pull-up resister must be used. Distance will be about 20 feet. For this particular flow meter 215 pulses = 1 gallon of fluid dispensed. I am looking for a converter, logger, or other device that will convert this information into something a pc can understand (like rs232 serial) . Can someone please point me in the right direction? Thanks
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