Printer port circuit

Single chip microcomputer STM32L151CCU6
KT2520K26000DCW28QAS import spot
MOSFET imported original FET
IR brand IRFP3306PBF special treatment original imported absolutely original
Printer port circuit
The 16-level programmable current generator can be modified to control through the printer port. By switching the connection resistance between the OA1 op amp and the OA2 input, the CMOS single 16-channel analog multiplexer (ICL) selects one resistor at a time, corresponding to the code sent by a printer port.


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