It makes no sense. From datasheet, page 7 and figures 6 and 10, seems that the 8575 can drive more than 25mA.
I am sure that ULN needs much less than that. Maybe you have a faulty chip? Be very careful with static discharge (ESD) problems.
Ioannis
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Re: PCF8575 Does not work with my code....
It makes no sense. From datasheet, page 7 and figures 6 and 10, seems that the 8575 can drive more than 25mA.
I am sure that ULN needs much less than that. Maybe you have a faulty chip? Be very careful with static discharge (ESD) problems.
Ioannis
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