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$5.95
Nano 328P IO Shield Expansion Board Nano V3.0 Adapter Expansion Board For XBEE And NRF24L01 Socket For DIY KIT
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Nano 328P IO Shield Expansion Board Nano V3.0 Adapter Expansion Board For XBEE And NRF24L01 Socket For DIY KIT
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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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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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Aideepen 5Pcs Nano V3.0 Expansion Board V3.0 Breakout Board Screw Terminal Adapter Shield Nano V3.0 AVR ATMEGA328P-AU Module
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Aideepen 5Pcs Nano V3.0 Expansion Board V3.0 Breakout Board Screw Terminal Adapter Shield Nano V3.0 AVR ATMEGA328P-AU Module
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Arduino Pro Opta EXT A0602 [AFX00007] - Analog Expansion Module For Micro PLC | 6 Programmable Inputs, 2 Outputs, 4 PWM Channels | Iot & Automation
Amazon.com
1
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$228.70
Arduino Pro Opta EXT A0602 [AFX00007] - Analog Expansion Module For Micro PLC | 6 Programmable Inputs, 2 Outputs, 4 PWM Channels | Iot & Automation
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Hiletgo 5Pcs Nano IO Shield DIY Nano IO Expansion Board DIY Kits For Arduino Nano
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72
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Hiletgo 5Pcs Nano IO Shield DIY Nano IO Expansion Board DIY Kits For Arduino Nano
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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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10
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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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2 Sets Mini For Nano V3.0 Atmega328p Micro Controller Board Module With USB Cable And For Nano V3.0 Expansion IO Shield Board Expansion Board For
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2 Sets Mini For Nano V3.0 Atmega328p Micro Controller Board Module With USB Cable And For Nano V3.0 Expansion IO Shield Board Expansion Board For
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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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2
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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 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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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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1
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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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QCCAN 6Pcs PCF8574 PCF8574T IO Expansion Board I/O Expander I2C IIC Port Interface Evaluation Develop Module
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QCCAN 6Pcs PCF8574 PCF8574T IO Expansion Board I/O Expander I2C IIC Port Interface Evaluation Develop Module
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1 Pcs For UNO R3 Arduino PLC RS485 Remote IO DIY ADC Collection Relay Module DC 7-30V 6AI-6DI-4DO Multifunction Expanding Board(Only Board)
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1 Pcs For UNO R3 Arduino PLC RS485 Remote IO DIY ADC Collection Relay Module DC 7-30V 6AI-6DI-4DO Multifunction Expanding Board(Only Board)
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$12.47
Waveshare MCP23017 IO Expansion Board I2C Interface Expands 16 I/O Pins Allows 8 Pcs Stacked And Used At The Same Time Allow Multi I2C Modules To Be
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27
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$12.47
Waveshare MCP23017 IO Expansion Board I2C Interface Expands 16 I/O Pins Allows 8 Pcs Stacked And Used At The Same Time Allow Multi I2C Modules To Be
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$7.96
Dfplayer Mini MP3 Player Module MP3 Voice Decode Board Supporting TF Card U-Disk IO/Serial Port/AD MP3-TF-16P For Arduino UNO
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Dfplayer Mini MP3 Player Module MP3 Voice Decode Board Supporting TF Card U-Disk IO/Serial Port/AD MP3-TF-16P For Arduino UNO
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$8.79
Hiletgo 3Pcs Nano V3.0 3.0 Controller Terminal Adapter Expansion Board Nano IO Shield Simple Extension Plate For Arduino Mano AVR ATMEGA328P
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210
$8.79
Hiletgo 3Pcs Nano V3.0 3.0 Controller Terminal Adapter Expansion Board Nano IO Shield Simple Extension Plate For Arduino Mano AVR ATMEGA328P
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$9.99
Treedix Compatible With Raspberry Pi PICO Breakout Board IO Shield Development Board Prototype Expansion Board With 2.54mm Pin Header
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9
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Treedix Compatible With Raspberry Pi PICO Breakout Board IO Shield Development Board Prototype Expansion Board With 2.54mm Pin Header
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YELUFT 3Pcs Nano V3.0 Controller Terminal Adapter Expansion Board Nano IO Shield V1.O Simple Extension Board For Arduino Nano V3.0 Atmega328p
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30
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YELUFT 3Pcs Nano V3.0 Controller Terminal Adapter Expansion Board Nano IO Shield V1.O Simple Extension Board For Arduino Nano V3.0 Atmega328p
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$9.99
I2C Smart I/O Expander And A/D Converter - Serial Wombat 4B - 4 Pack. Drive Servos, Switches, Quadrature Encoders, UART/I2C Bridge Over I2C Compatible
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$9.99
I2C Smart I/O Expander And A/D Converter - Serial Wombat 4B - 4 Pack. Drive Servos, Switches, Quadrature Encoders, UART/I2C Bridge Over I2C Compatible
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Waveshare Expansion Board 8 Channel Relay Expansion Board 5V Power Supply Compatible With Raspberry Pi A+/B+/2B/3B/3B+ Control High Voltage Home
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Waveshare Expansion Board 8 Channel Relay Expansion Board 5V Power Supply Compatible With Raspberry Pi A+/B+/2B/3B/3B+ Control High Voltage Home
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Sensor Modules Kit For Arduino Raspberry, 22 in 1 Project Super Starter Kits For UNO R3 Nano V3.0 Mega 2560 Mega 328 Project Starter Kit
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110
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Sensor Modules Kit For Arduino Raspberry, 22 in 1 Project Super Starter Kits For UNO R3 Nano V3.0 Mega 2560 Mega 328 Project Starter Kit
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$76.30
Nxp Semiconductors PCAL9722HN-ARD Evaluation Board, Spi I/O Expander | Embedded Daughter Boards & Modules - Arduino
Newark
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Nxp Semiconductors PCAL9722HN-ARD Evaluation Board, Spi I/O Expander | Embedded Daughter Boards & Modules - Arduino
Newark
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Waveshare Nano Base Board (B) For Raspberry Pi Compute Module 5 Lite/Emmc,CM5 Mini Expansion Board,Integrate Multiple Peripheral Interfaces
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2
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Waveshare Nano Base Board (B) For Raspberry Pi Compute Module 5 Lite/Emmc,CM5 Mini Expansion Board,Integrate Multiple Peripheral Interfaces
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Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
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9
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Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
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$1.65
Microchip Technology Inc. MCP23017-E/SO | I/O PORT EXPANDER, 16-BIT, I2C I'face, SOIC-28 | IO Expanders
RS
$1.65
Microchip Technology Inc. MCP23017-E/SO | I/O PORT EXPANDER, 16-BIT, I2C I'face, SOIC-28 | IO Expanders
RS
$0.38
Nxp Semiconductors PCF8575TS/1,112 I/O Expander, 16Bit, 400 Khz, I2C, 2.5 V, 5.5 V, Ssop Rohs Compliant: Yes | I/O Expanders
Newark
$0.38
Nxp Semiconductors PCF8575TS/1,112 I/O Expander, 16Bit, 400 Khz, I2C, 2.5 V, 5.5 V, Ssop Rohs Compliant: Yes | I/O Expanders
Newark
$1.68
Microchip Technology MCP23009-E/MG I/O Expander, 8Bit, 3.4 Mhz, I2C, Serial, Spi, 1.8 V, 5.5 V, Qfn Rohs Compliant: Yes | I/O Expanders
Newark
$1.68
Microchip Technology MCP23009-E/MG I/O Expander, 8Bit, 3.4 Mhz, I2C, Serial, Spi, 1.8 V, 5.5 V, Qfn Rohs Compliant: Yes | I/O Expanders
Newark
$2.38
Nxp Semiconductors PCA9575HF,118 I/O Expander, 16Bit, 400Khz, Hwqfn | I/O Expanders
Newark
$2.38
Nxp Semiconductors PCA9575HF,118 I/O Expander, 16Bit, 400Khz, Hwqfn | I/O Expanders
Newark
$1.30
Nxp Semiconductors PCA9698BS,118 I/O Expander, 40Bit, 1 Mhz, I2C, Smbus, 2.3 V, 5.5 V, Hvqfn Rohs Compliant: Yes | I/O Expanders
Newark
$1.30
Nxp Semiconductors PCA9698BS,118 I/O Expander, 40Bit, 1 Mhz, I2C, Smbus, 2.3 V, 5.5 V, Hvqfn Rohs Compliant: Yes | I/O Expanders
Newark
$2.10
Microchip Technology MCP23018-E/MJ I/O Expander, 16Bit, 3.4 Mhz, I2C, 1.8 V, 5.5 V, Qfn Rohs Compliant: Yes | I/O Expanders
Newark
$2.10
Microchip Technology MCP23018-E/MJ I/O Expander, 16Bit, 3.4 Mhz, I2C, 1.8 V, 5.5 V, Qfn Rohs Compliant: Yes | I/O Expanders
Newark
PCF8575 - 16 Bit I/O Port Expander - Driver implementation
PCF8575 - 16 Bit I/O Port Expander - Driver implementation
Jul 1, 2016
arduino.cc
IO Expander for ESP32, ESP8266, and Arduino
IO Expander for ESP32, ESP8266, and Arduino
Oct 1, 2020
instructables.com
Arduino MEGA 2560 With WiFi Built-in - ESP8266
Arduino MEGA 2560 With WiFi Built-in - ESP8266
242.8K viewsOct 1, 2020
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16-key keypad with an Arduino and a PCF8574 I/O expander module — Curious Scientist
16-key keypad with an Arduino and a PCF8574 I/O expander module — Curious Scientist
Jun 4, 2021
curiousscientist.tech
How to Connect I2C Lcd Display to Arduino Uno
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
Tutorial: Maximising your Arduino’s I/O ports with MCP23017
Aug 26, 2011
tronixstuff.com
PCF8575 (i2c 16 Pins Digital I/O Expander) Fast Easy Usage (Arduino, Esp8266 and Esp32)
PCF8575 (i2c 16 Pins Digital I/O Expander) Fast Easy Usage (Arduino, Esp8266 and Esp32)
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instructables.com
Using the PCF8575 I2c I/o Expander to Read Inputs With Arduino
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instructables.com
PCF8574 i2c digital I/O expander: Arduino, esp8266 and esp32, rotary encoder - Part 2 - Mischianti
Oct 24, 2023
mischianti.org
PCF8574 i2c digital I/O expander: Arduino, esp8266 and esp32, basic I/O and interrupt - Part 1 - Mischianti
Oct 25, 2023
mischianti.org
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How to add more digital I/O lines to the Arduino UNO
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PCF8574 I2C GPIO Expander Tutorial
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How the Expander Works
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MCP23008 IO Expander Arduino Library by PU2CLR
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Arduino Tutorial #8: I2C Communication
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Ultimate Arduino MEGA2560 Starter Kit from Elegoo Part 1
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Shop arduino i/o expander

Sponsored
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$5.95
Nano 328P IO Shield Expansion Board Nano V3.0 Adapter Expansion Board For XBEE And NRF24L01 Socket For DIY KIT
Amazon.com
$5.95
Nano 328P IO Shield Expansion Board Nano V3.0 Adapter Expansion Board For XBEE And NRF24L01 Socket For DIY KIT
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
$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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Aideepen 5Pcs Nano V3.0 Expansion Board V3.0 Breakout Board Screw Terminal Adapter Shield Nano V3.0 AVR ATMEGA328P-AU Module
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$9.99
Aideepen 5Pcs Nano V3.0 Expansion Board V3.0 Breakout Board Screw Terminal Adapter Shield Nano V3.0 AVR ATMEGA328P-AU Module
Amazon.com
$228.70
Arduino Pro Opta EXT A0602 [AFX00007] - Analog Expansion Module For Micro PLC | 6 Programmable Inputs, 2 Outputs, 4 PWM Channels | Iot & Automation
Amazon.com
1
Free shipping
$228.70
Arduino Pro Opta EXT A0602 [AFX00007] - Analog Expansion Module For Micro PLC | 6 Programmable Inputs, 2 Outputs, 4 PWM Channels | Iot & Automation
Amazon.com
$9.79
Hiletgo 5Pcs Nano IO Shield DIY Nano IO Expansion Board DIY Kits For Arduino Nano
Amazon.com
72
$9.79
Hiletgo 5Pcs Nano IO Shield DIY Nano IO Expansion Board DIY Kits For Arduino Nano
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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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10
$8.99
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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$12.99
2 Sets Mini For Nano V3.0 Atmega328p Micro Controller Board Module With USB Cable And For Nano V3.0 Expansion IO Shield Board Expansion Board For
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2 Sets Mini For Nano V3.0 Atmega328p Micro Controller Board Module With USB Cable And For Nano V3.0 Expansion IO Shield Board Expansion Board For
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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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2
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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 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
Amazon.com
$12.40
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
1
$12.40
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
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QCCAN 6Pcs PCF8574 PCF8574T IO Expansion Board I/O Expander I2C IIC Port Interface Evaluation Develop Module
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$9.99
QCCAN 6Pcs PCF8574 PCF8574T IO Expansion Board I/O Expander I2C IIC Port Interface Evaluation Develop Module
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1 Pcs For UNO R3 Arduino PLC RS485 Remote IO DIY ADC Collection Relay Module DC 7-30V 6AI-6DI-4DO Multifunction Expanding Board(Only Board)
Amazon.com
Free shipping
$118.68
1 Pcs For UNO R3 Arduino PLC RS485 Remote IO DIY ADC Collection Relay Module DC 7-30V 6AI-6DI-4DO Multifunction Expanding Board(Only Board)
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$12.47
Waveshare MCP23017 IO Expansion Board I2C Interface Expands 16 I/O Pins Allows 8 Pcs Stacked And Used At The Same Time Allow Multi I2C Modules To Be
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27
Free shipping
$12.47
Waveshare MCP23017 IO Expansion Board I2C Interface Expands 16 I/O Pins Allows 8 Pcs Stacked And Used At The Same Time Allow Multi I2C Modules To Be
Amazon.com
$7.96
Dfplayer Mini MP3 Player Module MP3 Voice Decode Board Supporting TF Card U-Disk IO/Serial Port/AD MP3-TF-16P For Arduino UNO
Amazon.com
$7.96
Dfplayer Mini MP3 Player Module MP3 Voice Decode Board Supporting TF Card U-Disk IO/Serial Port/AD MP3-TF-16P For Arduino UNO
Amazon.com
$8.79
Hiletgo 3Pcs Nano V3.0 3.0 Controller Terminal Adapter Expansion Board Nano IO Shield Simple Extension Plate For Arduino Mano AVR ATMEGA328P
Amazon.com
210
$8.79
Hiletgo 3Pcs Nano V3.0 3.0 Controller Terminal Adapter Expansion Board Nano IO Shield Simple Extension Plate For Arduino Mano AVR ATMEGA328P
Amazon.com
$9.99
Treedix Compatible With Raspberry Pi PICO Breakout Board IO Shield Development Board Prototype Expansion Board With 2.54mm Pin Header
Amazon.com
9
$9.99
Treedix Compatible With Raspberry Pi PICO Breakout Board IO Shield Development Board Prototype Expansion Board With 2.54mm Pin Header
Amazon.com
$8.99
YELUFT 3Pcs Nano V3.0 Controller Terminal Adapter Expansion Board Nano IO Shield V1.O Simple Extension Board For Arduino Nano V3.0 Atmega328p
Amazon.com
30
$8.99
YELUFT 3Pcs Nano V3.0 Controller Terminal Adapter Expansion Board Nano IO Shield V1.O Simple Extension Board For Arduino Nano V3.0 Atmega328p
Amazon.com
$9.99
I2C Smart I/O Expander And A/D Converter - Serial Wombat 4B - 4 Pack. Drive Servos, Switches, Quadrature Encoders, UART/I2C Bridge Over I2C Compatible
Amazon.com
$9.99
I2C Smart I/O Expander And A/D Converter - Serial Wombat 4B - 4 Pack. Drive Servos, Switches, Quadrature Encoders, UART/I2C Bridge Over I2C Compatible
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