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PCF8575 - GPIO pin expander - I2C - STEMMA QT / Qwiic - Adafruit 5611
Adafruit pin expander equipped with PCF8575 chip. It has as many as 16 pins of GPIO inputs / outputs , thanks to which it increases the design possibilities of the modules used. It communicates using the I2C bus, has 3 configurable interface addresses. On the board there are two STEMMA QT / Qwiic connectors and soldering pads to which the goldpin strip included in the set should be soldered.
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Product description: PCF8575 - GPIO pin expander - I2C - STEMMA QT / Qwiic - Adafruit 5611
Adafruit pin expander equipped with PCF8575 chip. It has as many as 16 pins of GPIO inputs / outputs , thanks to which it increases the design possibilities of the modules used. It communicates using the I2C bus, has 3 configurable interface addresses. On the board there are two STEMMA QT / Qwiic connectors and soldering pads to which the goldpin strip included in the set should be soldered.
PCF8575 - GPIO pin expander - I2C - STEMMA QT / Qwiic - Adafruit 5611.
Product compatible with Arduino and Raspberry Pi!
The manufacturer has prepared a detailed user's guide , in which you will find instructions for connecting the module and sample program code.
Botland is an official distributor of Adafruit electronics. These dependable American solutions cover sensors, controllers, Arduino shields, educational systems, smart building and a wide range of accessories. The Botland range holds original Adafruit products only.
Components included in the set.
Special features of the module
- Multiple I/O mode - thanks to 3 address pins, you can get up to 8 outputs on one bus, which gives a total of 8 x 16 = 128 GPIOs on one I2C bus
- The module can be programmed using Arduino and CircuitPython - the manufacturer provides libraries and sample program codes
- The board has STEMMA QT / Qwiic connectors that allow for quick prototyping of systems without the need to solder the connector
Kit contents
- PCF8575 - GPIO pins expander - I2C - STEMMA QT / Qwiic - 1 piece
- Goldpin strip 1x16 pin - raster 2.54 mm - 2 pieces
STEMMA QT/Qwiic connector
The expander is equipped with two STEMMA QT connectors, located on the edges of the board. This standard increases prototyping capabilities, significantly speeds up the process of connecting with development boards and a wide range of other sensors. All this is done without the need for soldering and only with the use of a suitable cable.
Pin description
- VIN - 3V / 5V DC power pin
- GND - system ground
- SCL - clock line of the I2C bus
- SDA - data line of the I2C bus
- P0 - P8 - I/O pins
- 10 - 15 - I/O pins
An example of connecting the expander with Raspberry Pi (not included).
PCF8575 - pin expander extends the board's capabilities by 16 GPIOs.
Module technical specification
- Type: GPIO pin expander
- Built-in chip: PCF8575
- Number of I/Os: 16
- Communication interface: I2C bus
- Interface address:
- default: 0x20
- configurable: from 0x20 to 0x27
- Supply voltage: 3V / 5V DC
- Leads:
- STEMMA QT/Qwiic connectors
- soldering pads (goldpin connectors for self-soldering are included)
- Module dimensions: 40.8 x 17.7 x 4.5 mm
- Weight: 2.6g
Useful links
| Name | Value |
|---|---|
| Lead | 16 |
| Width | 7.5 cm |
| Height | 8.3 cm |
| Depth | 1 cm |
| Weight | 0.006 kg |
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30 days to return, without giving a reason
If the product does not meet your expectations, you have 30 days from receiving the parcel to withdraw from the contract. The product only has to be complete. The right of return belongs to consumers (a purchase unrelated to business activity).
Complaints
If the product turns out to be faulty, you can make a claim under the guarantee or the statutory warranty. We handle claims without delay, at the latest within 14 working days of receiving the report together with the goods.
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Instructions and documents
GPSR data
Product information
This product is a component intended for further assembly or prototyping. It is not a finished product within the meaning of the product safety regulations.
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