Good Day All.
This is a follow on from my Opti Switch Datasheet Needed post, I did not want to go off topic with my other post so I have started a new one.
I want to be able to conect this Opti Switch to my computers printer port.
The printer port in question is a PCI card with duel ports, it uses a MCS9865IV-AA chip, all the I/O pins on the printer ports are pulled to 5volts via some SMD resistors, marked as "472" and "DEE" using my DVM I get a ohm reading of around 4730-4735ohms from one side of the "DEE" to the other side of the "472".
I need to be able to have my opti switch pull all the way to ground or as close to ground as possible.
Back in the Opti Switch Datasheet Needed post I have already tested a via pull-up resistors to see what values the opti switch could pull down to ground.
But using a 4.7ohm resistor and using a stable 5volt ref the opti switch could only pull the voltage down to 2.40volts, and to get it that low I had to get the refelector just right.
I need quite a quick responce from the sensor as I will be looking at a input freq of around 0-200hz.
Can you please advice the best way to go about doing this.
Thanks for your time.
This is a follow on from my Opti Switch Datasheet Needed post, I did not want to go off topic with my other post so I have started a new one.
I want to be able to conect this Opti Switch to my computers printer port.
The printer port in question is a PCI card with duel ports, it uses a MCS9865IV-AA chip, all the I/O pins on the printer ports are pulled to 5volts via some SMD resistors, marked as "472" and "DEE" using my DVM I get a ohm reading of around 4730-4735ohms from one side of the "DEE" to the other side of the "472".
I need to be able to have my opti switch pull all the way to ground or as close to ground as possible.
Back in the Opti Switch Datasheet Needed post I have already tested a via pull-up resistors to see what values the opti switch could pull down to ground.
But using a 4.7ohm resistor and using a stable 5volt ref the opti switch could only pull the voltage down to 2.40volts, and to get it that low I had to get the refelector just right.
I need quite a quick responce from the sensor as I will be looking at a input freq of around 0-200hz.
Can you please advice the best way to go about doing this.
Thanks for your time.