Forum Members section DIY Ferduino controller About pin relay PCF857 (pict Inside)

About pin relay PCF857 (pict Inside)  [SOLVED]

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Post Number:#1 Post Sun May 03, 2015 3:24 pm
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halow everyone,
please help me what is correct picture of the pin. because my order not yet come and I try to understand relays pin.

Image


thx before.

Post Number:#2 Post Sun May 03, 2015 7:11 pm
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Hi!

The wiring seems good but, the realay board connected to ULN2803 need be "active low".

The relay board connected to Arduino pins need be "active high" or you need add an ULN2003 or change on code HIGH to LOW and LOW to HIGH.

Best regards.
Please do not PM me for support unless it is absolutely necessary.

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Post Number:#3 Post Sun May 03, 2015 9:41 pm
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Thank you for answering quickly brother, :-bd
ohh. change the code may not now, i am newbie need more learn
what do you mean like this

Image


quoting from your replay


thx.

Post Number:#4 Post Sun May 03, 2015 10:50 pm
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You can't connect the moonlight to ULN2003.
The circuit for LEDs is other.
Please do not PM me for support unless it is absolutely necessary.

I'll not write custom function to nobody unless you can pay for my job.

Post Number:#5 Post Sun May 03, 2015 11:41 pm
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ok, thank you very much for your answers.
I hope, do not get tired of answering questions later :D :D

Post Number:#6 Post Sat Apr 13, 2019 1:53 pm
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Hi!

Do you have this PCF module working with your relay board?

Can you show us some pics?

Best regards.
Please do not PM me for support unless it is absolutely necessary.

I'll not write custom function to nobody unless you can pay for my job.

Post Number:#7 Post Mon Apr 15, 2019 3:40 am
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Hi!

Do you have this PCF module working with your relay board?

Can you show us some pics?

Best regards.


this module works perfectly, right now I have not used the module at this time.

Post Number:#8 Post Mon Apr 15, 2019 9:32 pm
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Thank you!
Please do not PM me for support unless it is absolutely necessary.

I'll not write custom function to nobody unless you can pay for my job.




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