What value resistor should I put in series with the IR led for transmitting from the hb ?. The red led that is present as an indicator is rated for about 5mA (I think they normally run at about 2-3mA) using a 1K resistor (R5) so should I run the IR (...) (24 years ago, 14-Sep-00, to lugnet.robotics.handyboard)
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