There was an article on using this printer in just the way you want in Circuit Cellar about a year ago. I don't have the issue on hand but they may have an index on their web site for it. Dave At 08:38 AM 1/8/97 -0500, you wrote: >hp makes a great thermal printer the hp82240b 'redeye' printer for use >with the hp48 series calculator. the calculator communicates with the >printer via infrared. it occured to me that the redeye would make a great >printer/logger for small projects if a way could be found to convert >serial (rs232) data from a microcontroller for example, into the ir --------------------------------------------------------------------------- ( DSchmidt Technologies, Ventura CA http://www.rain.org/~dschmidt ) ( Freq selectors for FME/FMX/FM25, DTMF decoders. Email dschmidt@rain.org ) ---------------------------------------------------------------------------