MCP23017 Expansion Board - 16 I/O - for Arduino and Raspberry Pi - Waveshare 15391

Index: WSR-13466 EAN: 5904422320737

Expander of pins on the basis of the MCP23017 system, it extends the capabilities of the Arduino or Raspberry Pi with additional 16 pins of I/O. It communicates via I2C interface. The supply voltage is 3.3 V or 5 V.

MCP23017 Expansion Board - 16 I/O - for Arduino and Raspberry Pi - Waveshare 15391
€6.90
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Manufacturer: Waveshare
Compatibility: Arduino Raspberry Pi

Description

Expander of pins on the basis of theMCP23017system, it extends the capabilities of the Arduino or Raspberry Pi with additional16 pins of I/O. It communicates viaI2Cinterface. The supply voltage is3.3 V or 5 V.

Key features

  • Controlled via the I2C interface, expands 2 digital pins as 16 pins of I/O
  • Configurable I2C address via jumpers A0 / A1 / A2
  • Two connectors to connect: connector 6-pin 2 mm pitch or connector goldpin
  • Works with a voltage of 3.3 V and 5 V
  • Works with Arduino, Raspberry Pi, micro:bit, STM32, etc.

Pins

Board has a 6-pin connector with the wire in the kit. It communicates through an I2C interface.

Pin Description
VCC Supply voltage of 3.3 V / 5 V.
GND Ground of the system.
SDA The pin ofdata of the I2C interface.
SCL Clock pin of I2C interface.
INTA External interrupts of group A.
INTB External interrupts of group B.

Specification

  • Working voltage: 3.3 V or 5 V
  • Interface: I2C
  • External interrupts: INTA, INTB
  • Number of extensions: 16 pins of I/O
  • Dimensions: 38 x 23 mm
  • The dimensions of the mounting holes: 3 mm

Package width 5 cm
Package height 1.5 cm
Package depth 7 cm
Package weight 0.01 kg

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Product reviews

MCP23017 Expansion Board - 16 I/O - for Arduino and Raspberry Pi - Waveshare 15391

4.7/5

Average grade

3

Customers opinion
The following opinions are collected
and verified by
an external partner Trustmate
and come from the post-purchase process.
Marcin 13.05.2024 Confirmed purchase Translated review
Generally. You just have to struggle a bit to solder the sockets to change the address and there is no documentation for this.
Grzegorz 14.03.2024 Confirmed purchase Translated review
Quality is correct, works well. Note the default address is 0x27 so it may conflict with the LCD I2C.
Wolfgang 11.03.2023 Confirmed purchase

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