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$17.99
AITIAO 10Pcs PCF8575 IO Expander Board Module I2C To 16 IO Extension Module I2C Communication Control 16 Bit Smbus I/O Ports
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AITIAO 10Pcs PCF8575 IO Expander Board Module I2C To 16 IO Extension Module I2C Communication Control 16 Bit Smbus I/O Ports
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I2C Interface Expansion Module I2chub I2cadapter Board
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I2C Interface Expansion Module I2chub I2cadapter Board
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DEVMO 5PCS PCF8574 I2C Interface 8Bit IO MCU Expansion Board I/O Expander IIC Bus Evaluation Development Module Compatible With AVR STM8 C8051F
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XICOOLEE CAT9555 IO Expansion Module Board I2C Interface, Smbus I/O Port, 16 Bit Parallel GPIO Expander, With Pre-Soldered Header
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XICOOLEE CAT9555 IO Expansion Module Board I2C Interface, Smbus I/O Port, 16 Bit Parallel GPIO Expander, With Pre-Soldered Header
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MCP23017 IO Expander Board, I2C Interface 16 GPIO Pins - Compatible With Raspberry Pi, Arduino, STM32 For Easy IO Port Expansion
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MCP23017 IO Expander Board, I2C Interface 16 GPIO Pins - Compatible With Raspberry Pi, Arduino, STM32 For Easy IO Port Expansion
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10Pcs 4 Channel IIC I2C UART SPI Logic Level Converter Bi-Directional Module 5V To 3.3V Tool
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10Pcs 4 Channel IIC I2C UART SPI Logic Level Converter Bi-Directional Module 5V To 3.3V Tool
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MCP23017 Serial Interface Module IIC I2C SPI Bidirectional 16-Bit I/O Expander Pins 10Mhz Serial Interface Module
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FEICHAO Breakout Board 1 To 4 I2C Splitter Expand Module Board With 4P Cable For Pixhawk Pix APM
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PAMEENCOS 5Pcs PCF8574T I2C IIC Expansion Board Converter Module, Support LCD1602 LCD2004 Blue Backlight LCD Display Adapter Plate, With Integrated
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1PCS PCF8575 IO Expander Module - I2C To 16IO Conversion, For Arduino
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PCF8575 IO Expander Module I2C To 16IO Integrated Circuits For Arduino
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PCF8575 IO Expander Module I2C To 16IO Integrated Circuits For Arduino
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16 Channels IO Extension Module With I2C Interface For MCP23017 Chip 5V 3.3V Compatible 100Khz 400Khz 1.7Mhz Support High Speed IC Interface
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1PCS PCF8575 IO Expander Module I2C To 16IO Integrated Circuits For Arduino
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1PCS PCF8575 IO Expander Module I2C To 16IO Integrated Circuits For Arduino
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PCF8574T I2C IO Expander Module - Cascading Interface Board For Arduino/Raspberry Pi
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PCF8574T I2C IO Expander Module - Cascading Interface Board For Arduino/Raspberry Pi
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PCF8575 I2C GPIO Expander Module - 16-Channel Bidirectional I/O Port Extender For Arduino, Raspberry
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PCF8575 I2C GPIO Expander Module - 16-Channel Bidirectional I/O Port Extender For Arduino, Raspberry
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Watangtech MCP23017 I/O Expander Module - 16 GPIO Pins, I2C Interface, Onboard 3-Digit DIP Switch - Compatible With Raspberry Pi, Arduino, STM32 (3.3V
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Watangtech MCP23017 I/O Expander Module - 16 GPIO Pins, I2C Interface, Onboard 3-Digit DIP Switch - Compatible With Raspberry Pi, Arduino, STM32 (3.3V
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DIN Rail Mount MCP23017 32-Channel GPIO Expander With I2C Interface For Arduino Raspberry Pi,
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AITRIP 12PCS TCA9548A I2C IIC Multiplexer Breakout Board Module 8 Channel Expansion Development Board For Arduino
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AITRIP 12PCS TCA9548A I2C IIC Multiplexer Breakout Board Module 8 Channel Expansion Development Board For Arduino
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1-50PCS PCF8574 I2C 8-Channel GPIO Expander Module - 8-Bit I/O Extender For Arduino ESP32
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PCF8575 IO Expander Module I2C To 16IO Integrated Circuits For Arduino
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12PCS PCF8574 IO MCU Expansion Board I2C Interface 8Bit I/O Expander IIC Bus Evaluation Development Module
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12PCS PCF8574 IO MCU Expansion Board I2C Interface 8Bit I/O Expander IIC Bus Evaluation Development Module
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PCF8575 PCF8575C IIC I2C I/O Extension Shield Module 16-Bit 400Khz Smbus I/O Ports For Arduino
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110PCS EGBO PCF8575 IO Expander Module I2C To 16IO Integrated Circuits For Arduino
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PCF8575 PCF8575C IIC I2C I/O Extension Shield Module 16-Bit 400Khz Smbus I/O Ports For Arduino
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PCF8575 PCF8575C IIC I2C I/O Extension Shield Module 16-Bit 400Khz Smbus I/O Ports For Arduino
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1/5/10PCS TCA9548A I2C IIC Multiplexer Breakout Board 8 Channel Expansion Board For Arduino
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1/5/10PCS TCA9548A I2C IIC Multiplexer Breakout Board 8 Channel Expansion Board For Arduino
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MCP23017-E/SS IIC I2C SPI MCP23S17 Bidirectional 16-Bit I/O Expander Pins 10Mhz For Arduino Serial
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MCP23017-E/SS IIC I2C SPI MCP23S17 Bidirectional 16-Bit I/O Expander Pins 10Mhz For Arduino Serial
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PCF8575 IO Expander Module I2C To 16IO Integrated Circuits For Arduino
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1-10Pcs PCF8575 Module Expansion IO Port Expander Board DC 2.5-5.5V I2C Communication Control 16 IO
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1-10Pcs PCF8575 Module Expansion IO Port Expander Board DC 2.5-5.5V I2C Communication Control 16 IO
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IIC HUB Module Splitter I2C Hub Interface Expansion Board 8-Way Communication Board Electronic
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PCF8574 I2C Interface 8Bit IO MCU Expansion Board I/O Expander I2C Bus Evaluation Development Module
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PCF8574 I2C Interface 8Bit IO MCU Expansion Board I/O Expander I2C Bus Evaluation Development Module
Aliexpress
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TCA9548A I2C IIC Multiplexer Breakout Board 8 Channel Expansion Board For Arduino 5/10PCS
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TCA9548A I2C IIC Multiplexer Breakout Board 8 Channel Expansion Board For Arduino 5/10PCS
Aliexpress
IO Expander for ESP32, ESP8266, and Arduino
IO Expander for ESP32, ESP8266, and Arduino
Oct 1, 2020
instructables.com
I2c port Extender - controlling with Arduino
I2c port Extender - controlling with Arduino
Nov 11, 2017
arduino.cc
I2C second example using arduino to control port extender
I2C second example using arduino to control port extender
Nov 12, 2017
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How to Use I2c for Arduino to Arduino Communication
How to Use I2c for Arduino to Arduino Communication
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instructables.com
7.7K views · 131 reactions | Use the IO Expander and Relay Expander to control up to 65,280 relays with your Arduino: https://bit.ly/2GxidCV | Hackster.io | Facebook
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7.7K views · 131 reactions | Use the IO Expander and Relay Expander t…
7.8K views3 weeks ago
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OLED Shield for Arduino & Raspberry Pi
OLED Shield for Arduino & Raspberry Pi
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hackaday.io
Connect 16x2 LCD to Arduino Using I2C
Connect 16x2 LCD to Arduino Using I2C
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16-key keypad with an Arduino and a PCF8574 I/O expander module …
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MCP23017 I2C Serial Interface 16-Bit I/O Expander Serial โมดูลขยายขา …
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Arduino Connect Multiple I2C Devices
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PCF8575 vs. PCF8575C I2C expanders
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Tutorial: Maximising your Arduino’s I/O ports with MCP23017
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[Tronixstuff] MCP23017 | I2C Port | Help wanted
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PCAL6416A 16-bit GPIO Arduino Shield Evaluation Board
8 months ago
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PCF8575 (i2c 16 Pins Digital I/O Expander) Fast Easy Usage (Ardui…
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Control Up to 65,280 Relays with Your Arduino!
Feb 18, 2019
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Using the PCF8575 I2c I/o Expander to Read Inputs With Arduino
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PCF8575 I/O Expander : Pinout, Schematic and Datasheet
Jun 30, 2016
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PCF8574 i2c digital I/O expander: Arduino, esp8266 and esp32, rotar…
Oct 24, 2023
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PCF8574 i2c digital I/O expander: Arduino, esp8266 and esp32, basi…
Oct 25, 2023
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Unlock More Serial Ports with I2C to Dual UART Module!
Mar 25, 2020
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The Great Search - I2C IO Expander (Since we can't get MCP230xx) @…
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Learning I2C Protocol and Running 48 Relays With Arduino
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Shop arduino i2c expander

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$17.99
AITIAO 10Pcs PCF8575 IO Expander Board Module I2C To 16 IO Extension Module I2C Communication Control 16 Bit Smbus I/O Ports
Amazon.com
$17.99
AITIAO 10Pcs PCF8575 IO Expander Board Module I2C To 16 IO Extension Module I2C Communication Control 16 Bit Smbus I/O Ports
Amazon.com
$11.99
I2C Interface Expansion Module I2chub I2cadapter Board
Amazon.com
2
$11.99
I2C Interface Expansion Module I2chub I2cadapter Board
Amazon.com
$12.99
DEVMO 5PCS PCF8574 I2C Interface 8Bit IO MCU Expansion Board I/O Expander IIC Bus Evaluation Development Module Compatible With AVR STM8 C8051F
Amazon.com
6
$12.99
DEVMO 5PCS PCF8574 I2C Interface 8Bit IO MCU Expansion Board I/O Expander IIC Bus Evaluation Development Module Compatible With AVR STM8 C8051F
Amazon.com
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XICOOLEE CAT9555 IO Expansion Module Board I2C Interface, Smbus I/O Port, 16 Bit Parallel GPIO Expander, With Pre-Soldered Header
Amazon.com
9
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XICOOLEE CAT9555 IO Expansion Module Board I2C Interface, Smbus I/O Port, 16 Bit Parallel GPIO Expander, With Pre-Soldered Header
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MCP23017 IO Expander Board, I2C Interface 16 GPIO Pins - Compatible With Raspberry Pi, Arduino, STM32 For Easy IO Port Expansion
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MCP23017 IO Expander Board, I2C Interface 16 GPIO Pins - Compatible With Raspberry Pi, Arduino, STM32 For Easy IO Port Expansion
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10Pcs 4 Channel IIC I2C UART SPI Logic Level Converter Bi-Directional Module 5V To 3.3V Tool
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10Pcs 4 Channel IIC I2C UART SPI Logic Level Converter Bi-Directional Module 5V To 3.3V Tool
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MCP23017 Serial Interface Module IIC I2C SPI Bidirectional 16-Bit I/O Expander Pins 10Mhz Serial Interface Module
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MCP23017 Serial Interface Module IIC I2C SPI Bidirectional 16-Bit I/O Expander Pins 10Mhz Serial Interface Module
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FEICHAO Breakout Board 1 To 4 I2C Splitter Expand Module Board With 4P Cable For Pixhawk Pix APM
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FEICHAO Breakout Board 1 To 4 I2C Splitter Expand Module Board With 4P Cable For Pixhawk Pix APM
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PAMEENCOS 5Pcs PCF8574T I2C IIC Expansion Board Converter Module, Support LCD1602 LCD2004 Blue Backlight LCD Display Adapter Plate, With Integrated
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PAMEENCOS 5Pcs PCF8574T I2C IIC Expansion Board Converter Module, Support LCD1602 LCD2004 Blue Backlight LCD Display Adapter Plate, With Integrated
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1PCS PCF8575 IO Expander Module - I2C To 16IO Conversion, For Arduino
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1PCS PCF8575 IO Expander Module - I2C To 16IO Conversion, For Arduino
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PCF8575 IO Expander Module I2C To 16IO Integrated Circuits For Arduino
Aliexpress
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PCF8575 IO Expander Module I2C To 16IO Integrated Circuits For Arduino
Aliexpress
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16 Channels IO Extension Module With I2C Interface For MCP23017 Chip 5V 3.3V Compatible 100Khz 400Khz 1.7Mhz Support High Speed IC Interface
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16 Channels IO Extension Module With I2C Interface For MCP23017 Chip 5V 3.3V Compatible 100Khz 400Khz 1.7Mhz Support High Speed IC Interface
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1PCS PCF8575 IO Expander Module I2C To 16IO Integrated Circuits For Arduino
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PCF8574T I2C IO Expander Module - Cascading Interface Board For Arduino/Raspberry Pi
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PCF8575 I2C GPIO Expander Module - 16-Channel Bidirectional I/O Port Extender For Arduino, Raspberry
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PCF8575 I2C GPIO Expander Module - 16-Channel Bidirectional I/O Port Extender For Arduino, Raspberry
Aliexpress
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Watangtech MCP23017 I/O Expander Module - 16 GPIO Pins, I2C Interface, Onboard 3-Digit DIP Switch - Compatible With Raspberry Pi, Arduino, STM32 (3.3V
Amazon.com
$11.10
Watangtech MCP23017 I/O Expander Module - 16 GPIO Pins, I2C Interface, Onboard 3-Digit DIP Switch - Compatible With Raspberry Pi, Arduino, STM32 (3.3V
Amazon.com
$22.00
DIN Rail Mount MCP23017 32-Channel GPIO Expander With I2C Interface For Arduino Raspberry Pi,
Aliexpress
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DIN Rail Mount MCP23017 32-Channel GPIO Expander With I2C Interface For Arduino Raspberry Pi,
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AITRIP 12PCS TCA9548A I2C IIC Multiplexer Breakout Board Module 8 Channel Expansion Development Board For Arduino
Amazon.com
30
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AITRIP 12PCS TCA9548A I2C IIC Multiplexer Breakout Board Module 8 Channel Expansion Development Board For Arduino
Amazon.com