Shop Arduino I2C Port Expander

Sponsored
About our ads
$2.14
PCF8574T I2C Interface Module (1PCS): 2.5V-6V I/O Port Expander With Cascading Support For Arduino
Aliexpress
$2.14
PCF8574T I2C Interface Module (1PCS): 2.5V-6V I/O Port Expander With Cascading Support For Arduino
Aliexpress
$1.76
PCF8575 I2C GPIO Expander Module - 16-Channel Bidirectional I/O Port Extender For Arduino, Raspberry
AliExpress
$1.76
PCF8575 I2C GPIO Expander Module - 16-Channel Bidirectional I/O Port Extender For Arduino, Raspberry
AliExpress
$1.32
$1.44
TZT 1/3PCS PCF8575 Module Expansion IO Port Expander Board DC 2.5-5.5V I2C For Arduino
AliExpress
$1.32
$1.44
TZT 1/3PCS PCF8575 Module Expansion IO Port Expander Board DC 2.5-5.5V I2C For Arduino
AliExpress
$1.15
$1.19
PCF8575 IO Expander Module I2C To 16IO Integrated Circuits For Arduino
AliExpress
Free shipping
$1.15
$1.19
PCF8575 IO Expander Module I2C To 16IO Integrated Circuits For Arduino
AliExpress
$2.38
PCF8575 IO Expander Module I2C To 16IO Integrated Circuits For Arduino
AliExpress
$2.38
PCF8575 IO Expander Module I2C To 16IO Integrated Circuits For Arduino
AliExpress
$22.00
DIN Rail Mount MCP23017 32-Channel GPIO Expander With I2C Interface For Arduino Raspberry Pi,
AliExpress
Free shipping
$22.00
DIN Rail Mount MCP23017 32-Channel GPIO Expander With I2C Interface For Arduino Raspberry Pi,
AliExpress
$1.24
$1.35
TZT 1/3PCS PCF8575 IO Expander Module I2C To 16IO Integrated Circuits For Arduino
AliExpress
$1.24
$1.35
TZT 1/3PCS PCF8575 IO Expander Module I2C To 16IO Integrated Circuits For Arduino
AliExpress
$0.55
$0.74
Javino PCF8574 PCF8574T I/O For I2C IIC Port Interface Support Cascading Extended Module For Arduino
Aliexpress
25% off
$0.55
$0.74
Javino PCF8574 PCF8574T I/O For I2C IIC Port Interface Support Cascading Extended Module For Arduino
Aliexpress
$1.74
$3.52
1-50PCS PCF8574 I2C 8-Channel GPIO Expander Module - 8-Bit I/O Extender For Arduino ESP32
AliExpress
Free shipping
50% off
$1.74
$3.52
1-50PCS PCF8574 I2C 8-Channel GPIO Expander Module - 8-Bit I/O Extender For Arduino ESP32
AliExpress
$2.55
1 - 10Pcs PCF8575 DC 2.5-5.5V Module Expansion IO Port Expander Board I2C Communication Control 16
AliExpress
$2.55
1 - 10Pcs PCF8575 DC 2.5-5.5V Module Expansion IO Port Expander Board I2C Communication Control 16
AliExpress
$0.97
$1.29
Sensor Shield Adapter Plate Expansion Board Module For Arduino R3 With Reset Button IIC I2C UART
AliExpress
24% off
$0.97
$1.29
Sensor Shield Adapter Plate Expansion Board Module For Arduino R3 With Reset Button IIC I2C UART
AliExpress
$2.19
PCF8575 Module Expansion IO Port Expander Board DC 2.5-5.5V I2C Communication Control 16 IO Ports
AliExpress
$2.19
PCF8575 Module Expansion IO Port Expander Board DC 2.5-5.5V I2C Communication Control 16 IO Ports
AliExpress
$2.09
$4.37
PCF8575 Module Expansion IO Port Expander Board DC 2.5-5.5V I2C Communication Control 16 IO Ports
AliExpress
52% off
$2.09
$4.37
PCF8575 Module Expansion IO Port Expander Board DC 2.5-5.5V I2C Communication Control 16 IO Ports
AliExpress
$2.13
$4.43
PCF8575 Module Expansion IO Port Expander Board DC 2.5-5.5V I2C Communication Control 16 IO Ports
AliExpress
51% off
$2.13
$4.43
PCF8575 Module Expansion IO Port Expander Board DC 2.5-5.5V I2C Communication Control 16 IO Ports
AliExpress
$2.03
PCF8575 Module Expansion IO Port Expander Board DC 2.5-5.5V I2C Communication Control 16 IO Ports
AliExpress
$2.03
PCF8575 Module Expansion IO Port Expander Board DC 2.5-5.5V I2C Communication Control 16 IO Ports
AliExpress
$2.13
$6.28
PCF8575 Module Expansion IO Port Expander Board DC 2.5-5.5V I2C Communication Control 16 IO Ports
AliExpress
66% off
$2.13
$6.28
PCF8575 Module Expansion IO Port Expander Board DC 2.5-5.5V I2C Communication Control 16 IO Ports
AliExpress
$1.67
I2C To IO Port Module MCP23017 Serial Interface 16-Bit I/O Port Expander I2C IIC Serial Port
AliExpress
$1.67
I2C To IO Port Module MCP23017 Serial Interface 16-Bit I/O Port Expander I2C IIC Serial Port
AliExpress
$1.70
PCF8574 I2C Interface 8Bit IO MCU Expansion Board I/O Expander I2C Bus Evaluation Development Module
AliExpress
$1.70
PCF8574 I2C Interface 8Bit IO MCU Expansion Board I/O Expander I2C Bus Evaluation Development Module
AliExpress
$22.99
8 Channel I2C Relay Module Arduino Raspberry 3.3V 5.0V DIN XL9535 Gpio Expander. Iotmug. Relay Accessories.
eBay
Free shipping
$22.99
8 Channel I2C Relay Module Arduino Raspberry 3.3V 5.0V DIN XL9535 Gpio Expander. Iotmug. Relay Accessories.
eBay
$2.15
1/5/10Pcs PCF8575 Module Expansion IO Port Expander Board DC 2.5-5.5V I2C Communication Control 16
AliExpress
$2.15
1/5/10Pcs PCF8575 Module Expansion IO Port Expander Board DC 2.5-5.5V I2C Communication Control 16
AliExpress
$2.03
$2.71
5Pcs/1Pc TCA9555 PCA9555 Module 16-Bit I/O Expander IIC/I2C GPIO Expansion Board 16 Channel Digital
Aliexpress
25% off
$2.03
$2.71
5Pcs/1Pc TCA9555 PCA9555 Module 16-Bit I/O Expander IIC/I2C GPIO Expansion Board 16 Channel Digital
Aliexpress
$5.52
$8.12
Grove Base Shield V2.0 For Arduino R3 Sensor IO Development Demo Expansion Board Module IIC I2C UART
AliExpress
32% off
$5.52
$8.12
Grove Base Shield V2.0 For Arduino R3 Sensor IO Development Demo Expansion Board Module IIC I2C UART
AliExpress
$3.23
$6.41
MCP23017/MCP23S17 Serial Interface Module IIC I2C SPI Bidirectional 16-Bit I/O Expander Pins 10Mhz
Aliexpress
49% off
$3.23
$6.41
MCP23017/MCP23S17 Serial Interface Module IIC I2C SPI Bidirectional 16-Bit I/O Expander Pins 10Mhz
Aliexpress
$1.54
$1.79
I2C Splitter Expand Module With Cable For Pixhawk APM Flight Controller
Aliexpress
Free shipping
13% off
$1.54
$1.79
I2C Splitter Expand Module With Cable For Pixhawk APM Flight Controller
Aliexpress
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
arduino.cc
IO Expander for ESP32, ESP8266, and Arduino
IO Expander for ESP32, ESP8266, and Arduino
Oct 1, 2020
instructables.com
NEW PRODUCT – MCP23017 – i2c 16 input/output port expander
NEW PRODUCT – MCP23017 – i2c 16 input/output port expander
Feb 28, 2012
adafruit.com
Arduino and Port Manipulation
Arduino and Port Manipulation
65.1K viewsOct 3, 2020
instructables.com
How to Use I2c for Arduino to Arduino Communication
How to Use I2c for Arduino to Arduino Communication
7.9K viewsOct 14, 2020
instructables.com
[Tronixstuff] MCP23017 | I2C Port | Help wanted
[Tronixstuff] MCP23017 | I2C Port | Help wanted
May 1, 2012
arduino.cc
0:14
7.7K views · 131 reactions | Use the IO Expander and Relay Expander t…
7.8K views2 weeks ago
FacebookHackster.io
Arduino Connect Multiple I2C Devices
22.7K viewsOct 11, 2020
instructables.com
How to Connect I2C Lcd Display to Arduino Uno
285K viewsOct 1, 2020
instructables.com
Tutorial: Maximising your Arduino’s I/O ports with MCP23017
Aug 26, 2011
tronixstuff.com
Control Up to 65,280 Relays with Your Arduino!
Feb 18, 2019
hackster.io
Using the PCF8575 I2c I/o Expander to Read Inputs With Arduino
71.5K viewsSep 30, 2020
instructables.com
PCF8575 (i2c 16 Pins Digital I/O Expander) Fast Easy Usage (Ardui…
33.2K viewsOct 4, 2020
instructables.com
Interfacing an I2C GPIO expander (MCP23017) to the Raspberry Pi u…
Apr 4, 2013
adafruit.com
PCF8574 i2c digital I/O expander: Arduino, esp8266 and esp32, basi…
Oct 25, 2023
mischianti.org
0:19
PCF8575｜16-Ch I2C Expander Pro. #arduino #expander #electronic #…
1.2K views2 months ago
YouTubeEiyumodule
The Great Search - I2C IO Expander (Since we can't get MCP230xx) @…
2.1K viewsJun 21, 2022
YouTubeAdafruit Industries
Need A Thousand Extra PWM Pins?
Jan 1, 2009
hackaday.com
I2C Between Arduinos
Oct 1, 2020
instructables.com
MicroPython - Using IO Expanders
385 viewsJan 10, 2025
YouTubeApplying Microcontroller Solutions
I2C Port expander
78 viewsMar 5, 2022
VimeoNick Gammon
42:23
I2C COMMUNICATION USING ATMEGA16
37.4K viewsJul 25, 2015
YouTubeCode-N-Logic
6:22
Connecting Arduino with multiple I2C devices
202.5K viewsOct 19, 2016
YouTubeBlueDot
3:56
How to add more digital I/O lines to the Arduino UNO
38.3K viewsNov 2, 2016
YouTube0033mer
25:51
I2C Part 1 - Using 2 Arduinos
465.9K viewsMar 30, 2019
YouTubeDroneBot Workshop
19:22
PCF8574 I2C GPIO Expander Tutorial
42.8K viewsAug 15, 2018
YouTubeGadget Reboot
4:35
Interface MCP23017 (Port Expander) With Arduino Uno
34.4K viewsDec 25, 2019
YouTubeEmbedded Gate
27:45
#49 MORE PINS PLEASE! PCF8574 Arduino Pin Extender (Easy)
51.7K viewsAug 19, 2016
YouTubeRalph S Bacon
See more videos
Static thumbnail place holder

Shop Arduino I2C Port Expander

Sponsored
About our ads
$2.14
PCF8574T I2C Interface Module (1PCS): 2.5V-6V I/O Port Expander With Cascading Support For Arduino
Aliexpress
$2.14
PCF8574T I2C Interface Module (1PCS): 2.5V-6V I/O Port Expander With Cascading Support For Arduino
Aliexpress
$1.76
PCF8575 I2C GPIO Expander Module - 16-Channel Bidirectional I/O Port Extender For Arduino, Raspberry
AliExpress
$1.76
PCF8575 I2C GPIO Expander Module - 16-Channel Bidirectional I/O Port Extender For Arduino, Raspberry
AliExpress
$1.32
$1.44
TZT 1/3PCS PCF8575 Module Expansion IO Port Expander Board DC 2.5-5.5V I2C For Arduino
AliExpress
$1.32
$1.44
TZT 1/3PCS PCF8575 Module Expansion IO Port Expander Board DC 2.5-5.5V I2C For Arduino
AliExpress
$1.15
$1.19
PCF8575 IO Expander Module I2C To 16IO Integrated Circuits For Arduino
AliExpress
Free shipping
$1.15
$1.19
PCF8575 IO Expander Module I2C To 16IO Integrated Circuits For Arduino
AliExpress
$2.38
PCF8575 IO Expander Module I2C To 16IO Integrated Circuits For Arduino
AliExpress
$2.38
PCF8575 IO Expander Module I2C To 16IO Integrated Circuits For Arduino
AliExpress
$22.00
DIN Rail Mount MCP23017 32-Channel GPIO Expander With I2C Interface For Arduino Raspberry Pi,
AliExpress
Free shipping
$22.00
DIN Rail Mount MCP23017 32-Channel GPIO Expander With I2C Interface For Arduino Raspberry Pi,
AliExpress
$1.24
$1.35
TZT 1/3PCS PCF8575 IO Expander Module I2C To 16IO Integrated Circuits For Arduino
AliExpress
$1.24
$1.35
TZT 1/3PCS PCF8575 IO Expander Module I2C To 16IO Integrated Circuits For Arduino
AliExpress
$0.55
$0.74
Javino PCF8574 PCF8574T I/O For I2C IIC Port Interface Support Cascading Extended Module For Arduino
Aliexpress
25% off
$0.55
$0.74
Javino PCF8574 PCF8574T I/O For I2C IIC Port Interface Support Cascading Extended Module For Arduino
Aliexpress
$1.74
$3.52
1-50PCS PCF8574 I2C 8-Channel GPIO Expander Module - 8-Bit I/O Extender For Arduino ESP32
AliExpress
Free shipping
50% off
$1.74
$3.52
1-50PCS PCF8574 I2C 8-Channel GPIO Expander Module - 8-Bit I/O Extender For Arduino ESP32
AliExpress
$2.55
1 - 10Pcs PCF8575 DC 2.5-5.5V Module Expansion IO Port Expander Board I2C Communication Control 16
AliExpress
$2.55
1 - 10Pcs PCF8575 DC 2.5-5.5V Module Expansion IO Port Expander Board I2C Communication Control 16
AliExpress
$0.97
$1.29
Sensor Shield Adapter Plate Expansion Board Module For Arduino R3 With Reset Button IIC I2C UART
AliExpress
24% off
$0.97
$1.29
Sensor Shield Adapter Plate Expansion Board Module For Arduino R3 With Reset Button IIC I2C UART
AliExpress
$2.19
PCF8575 Module Expansion IO Port Expander Board DC 2.5-5.5V I2C Communication Control 16 IO Ports
AliExpress
$2.19
PCF8575 Module Expansion IO Port Expander Board DC 2.5-5.5V I2C Communication Control 16 IO Ports
AliExpress
$2.09
$4.37
PCF8575 Module Expansion IO Port Expander Board DC 2.5-5.5V I2C Communication Control 16 IO Ports
AliExpress
52% off
$2.09
$4.37
PCF8575 Module Expansion IO Port Expander Board DC 2.5-5.5V I2C Communication Control 16 IO Ports
AliExpress
$2.13
$4.43
PCF8575 Module Expansion IO Port Expander Board DC 2.5-5.5V I2C Communication Control 16 IO Ports
AliExpress
51% off
$2.13
$4.43
PCF8575 Module Expansion IO Port Expander Board DC 2.5-5.5V I2C Communication Control 16 IO Ports
AliExpress
$2.03
PCF8575 Module Expansion IO Port Expander Board DC 2.5-5.5V I2C Communication Control 16 IO Ports
AliExpress
$2.03
PCF8575 Module Expansion IO Port Expander Board DC 2.5-5.5V I2C Communication Control 16 IO Ports
AliExpress
$2.13
$6.28
PCF8575 Module Expansion IO Port Expander Board DC 2.5-5.5V I2C Communication Control 16 IO Ports
AliExpress
66% off
$2.13
$6.28
PCF8575 Module Expansion IO Port Expander Board DC 2.5-5.5V I2C Communication Control 16 IO Ports
AliExpress
$1.67
I2C To IO Port Module MCP23017 Serial Interface 16-Bit I/O Port Expander I2C IIC Serial Port
AliExpress
$1.67
I2C To IO Port Module MCP23017 Serial Interface 16-Bit I/O Port Expander I2C IIC Serial Port
AliExpress
$1.70
PCF8574 I2C Interface 8Bit IO MCU Expansion Board I/O Expander I2C Bus Evaluation Development Module
AliExpress
$1.70
PCF8574 I2C Interface 8Bit IO MCU Expansion Board I/O Expander I2C Bus Evaluation Development Module
AliExpress