I2C to 8 Bit Parallel IO Expander PCF8574 – Cascadable
0 out of 5
GBP 2.09
Need more than we have? Order now, we will ship when back in stock. Lead time about 2-3 weeks. See our backorder policy. |
Discount Type | Quantity | Volume Price |
---|---|---|
Quantity | 3 - 9 | 10% GBP 1.88 |
Quantity | 10 - 24 | 12.5% GBP 1.83 |
Quantity | 25 + | 15% GBP 1.77 |
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Description
A maximum of 8 of these modules can be daisy-chained to a maximum of 64 digital IO.
8 different I2C addresses can be selected after a small modification:
The I2C address on these modules is fixed by default, but it can be changed by cutting the 3 short traces shown in the picture and adding jumper caps instead.
The modules contain 10k pull-up resistors for the I2C bus. Please understand that these resistors will be connected in parallel when you cascade multiple modules.
The library for Arduino is available.
Supply voltage: 2.5 – 6V
Max. combined current: 100mA
Output current source: 1mA max.
Output current sink: 25mA max.
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