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PCF8574N - GPIO expander board for microcontroller_

The system allows to increase the number of IOs (up to 8) of a microcontroller (e.g. Arduino module). Communicates with the central unit via the I2C bus (TWI).

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UCC-01210

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Product description: PCF8574N - microcontroller IO expander board

The system allows to increase the number of IOs (up to 8) of a microcontroller (e.g. Arduino module). Communicates with the central unit via the I2C bus (TWI).

Ekspander PCF8574N

Note

System has a different address bus, depending on version:

  • PCF857 0 | 1 | 0 | 0 | A2 | A1 | A0
  • PCF8574A 0 | 1 | 1 | 1 | A2 | A1 | A0

Details in documentation - section 7.1

 

  • PCF8574N/P 0 | 1 | 0 | 0 | A2 | A1 | A0

Details in the documentation section 8.3.3

IOs A2 | A1 | A0 can't stay unconnected.

Technical characteristics of expander IOs

  • Power supply: from 2.5 V to 6 V
  • Quiescent current: 100 µa (10 µa in low power mode)
  • Communication: I2C (TWI)
  • Number of contacts: 8
  • Case: DIP-16

 

Details in the documentation.

 

 

Episode 10 of the Arduino course on connecting the PCF8574 expander.

SAME DAY SHIPPING

Posting the payment for the order on our account on a business day up to 13:00 means sending the goods on the same day!

 

The time of payment depends on the hours of ELIXIR session of the sender's bank and the recipient of the transfer (more information on this subject, for example on the websitehttp://www.kiedy-przelew.pl/).

 

The table presents available forms of delivery in Poland

 

Carrier and
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Payment
by cash

Delivery
time

Poczta Polska

terms of service

9,90 PLN17,90 PLN1-3 days

Kurier GLS

terms of service

14,90 PLN22,90 PLN

1-2 days

Paczkomaty 24/7 

terms of service

12,90 PLN-1-3 days

If the amount to pay for products exceeds 500 PLN
Delivery is for free!

 

  • Free delivery of orders over 500 PLN does not apply to parcels addressed outside of Poland.
  • Free delivery does not apply when changing orders.
  • The delivery period is counted in working days from the date of dispatch of the order.