Although it seems simple circuits project sophisticated control of the parallel port is provided with opto 4n26 74LS04 circuits based on the isolated and amplified with IRF1010 MOSFET. L298 motor driver IC (Dual full-bridge driver) do not need to... Electronics Projects, PC Controlled Stepper Motor Driver Circuit L298 74LS04 "motor control circuit, motor driver circuit, " Date 2019/08/01