On 4/12/07, Rich Satterlee wrote: > Hi- > > "with a small stepper or DC motor to pull the tape through." > > You don't need a stepper for this. Use the sprocket hole from the paper tape > as the sensor for the data bits from the tape and just pull the tape along. This > was done in the very early days of home computing. Late 70's type stuff. In > fact, in those days, there were little kits for just such pull along paper tape > readers. Anybody else still have an S100 buss machine? Nine phototransistors and a processor, and you can have the output in hex, or whatever. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist