I2C to 8 Bit Parallel IO Expander PCF8574 – Cascadable
$3.60
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| Quantity | 3 - 9 | $3.42 |
| Quantity | 10 - 24 | $3.28 |
| Quantity | 25 + | $3.17 |
- Description
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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.
Additional information
| Weight | 0.01 kg |
|---|---|
| Dimensions | 20 × 20 × 10 mm |
| Brand | CANADUINO |
| Manufacturer | UNIVERSAL-SOLDER |
| EAN | 4260474036103 |
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