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pwm parallel port
I want to use parallel port as a PWM output.
Those are my questions
1.How can I make it the easiest way
2.What is the frequency and resolution I can expect from PC parallel port
I have a question!
I have to repair a TIG ARC WELDER,problem is that all electronics in it is totally damaged.
I wont to use phase cotrol with SIEMENS TCA785 on primary side off transformer.
If anyone hes any experience with thih plese leave here sugestions,it might help me.
I made PC/PPI cable using your schematic,but Step 7 Microwin show me the error.
I have 2 questions:
1. Can you give me value of resistor on schematic (R1)?
2. Do I have to connect RST pin oc PC side somewere?