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$15.49
Maxim Integrated/Analog Devices MAX7300ATL+ I/O Expander, I2C, 20/28Port, Tqfn-40 | I/O Expanders
Newark
$15.49
Maxim Integrated/Analog Devices MAX7300ATL+ I/O Expander, I2C, 20/28Port, Tqfn-40 | I/O Expanders
Newark
$5.36
Maxim Integrated/Analog Devices MAX7319ATE+ I/O Expander, I2C, 8Port, 40Khz, Tqfn-16 | I/O Expanders
Newark
$5.36
Maxim Integrated/Analog Devices MAX7319ATE+ I/O Expander, I2C, 8Port, 40Khz, Tqfn-16 | I/O Expanders
Newark
$1.37
Nxp PCA9535D,112 I/O Expander, 16Bit, I2C/Smbus, Soic-24 | I/O Expanders
Newark
$1.37
Nxp PCA9535D,112 I/O Expander, 16Bit, I2C/Smbus, Soic-24 | I/O Expanders
Newark
$7.75
Maxim Integrated/Analog Devices MAX7313ATG+ I/O Expander, I2C, 16Port, Tqfn-24 | I/O Expanders
Newark
$7.75
Maxim Integrated/Analog Devices MAX7313ATG+ I/O Expander, I2C, 16Port, Tqfn-24 | I/O Expanders
Newark
$0.96
Nxp PCA9534PW,118 I/O Expander, 8Bit, I2C/Smbus, Tssop-16 | I/O Expanders
Newark
$0.96
Nxp PCA9534PW,118 I/O Expander, 8Bit, I2C/Smbus, Tssop-16 | I/O Expanders
Newark
$2.31
Microchip MCP23016-I/SP I/O Expander, 16Bit, 400 Khz, I2C, 2 V, 5.5 V, Dip Rohs Compliant: Yes | I/O Expanders
Newark
$2.31
Microchip MCP23016-I/SP I/O Expander, 16Bit, 400 Khz, I2C, 2 V, 5.5 V, Dip Rohs Compliant: Yes | I/O Expanders
Newark
$1.35
Semtech SX1508BIULTRT I/O Expander, I2C, -40 To 85Deg C | I/O Expanders
Newark
$1.35
Semtech SX1508BIULTRT I/O Expander, I2C, -40 To 85Deg C | I/O Expanders
Newark
$2.17
Nxp PCA9555AHF,128 I/O Expander, 16Bit, I2C/Smbus, Hwqfn-24 | I/O Expanders
Newark
$2.17
Nxp PCA9555AHF,128 I/O Expander, 16Bit, I2C/Smbus, Hwqfn-24 | I/O Expanders
Newark
$1.46
Nxp PCF8574ATS/3,118 I/O Expander, 8Bit, I2C, Ssop-20 | I/O Expanders
Newark
$1.46
Nxp PCF8574ATS/3,118 I/O Expander, 8Bit, I2C, Ssop-20 | I/O Expanders
Newark
$9.95
Sparkfun 16-Channel I/O Expander - SX1509 With I2C Interface, GPIO, 5.5V Tolerant I/Os, LED Driver, Keypad Scanning Engine
Amazon.com
13
$9.95
Sparkfun 16-Channel I/O Expander - SX1509 With I2C Interface, GPIO, 5.5V Tolerant I/Os, LED Driver, Keypad Scanning Engine
Amazon.com
$1.32
Nxp PCA9536D,118 I/O Expander, 4Bit, I2C/Smbus, Soic-8 | I/O Expanders
Newark
$1.32
Nxp PCA9536D,118 I/O Expander, 4Bit, I2C/Smbus, Soic-8 | I/O Expanders
Newark
$2.14
Nxp PCA9555DB,118 I/O Expander, 16Bit, I2C/Smbus, Ssop-24 | I/O Expanders
Newark
$2.14
Nxp PCA9555DB,118 I/O Expander, 16Bit, I2C/Smbus, Ssop-24 | I/O Expanders
Newark
$2.19
Microchip MCP23016-I/SO I/O Expander, 16Bit, 400 Khz, I2C, 2 V, 5.5 V, Soic Rohs Compliant: Yes | I/O Expanders
Newark
$2.19
Microchip MCP23016-I/SO I/O Expander, 16Bit, 400 Khz, I2C, 2 V, 5.5 V, Soic Rohs Compliant: Yes | I/O Expanders
Newark
$1.30
Nxp 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 PCA9698BS,118 I/O Expander, 40Bit, 1 Mhz, I2C, Smbus, 2.3 V, 5.5 V, Hvqfn Rohs Compliant: Yes | I/O Expanders
Newark
$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
$10.99
NOYITO MCP23017-E SS I2C Interface 16-Channel IO Expansion Module Compatible IIC Input And Output Expansion Board
Amazon.com
$10.99
NOYITO MCP23017-E SS I2C Interface 16-Channel IO Expansion Module Compatible IIC Input And Output Expansion Board
Amazon.com
$0.26
Nxp PCA9534D,118 I/O Expander, 8Bit, I2C/Smbus, Soic-16 | I/O Expanders
Newark
$0.26
Nxp PCA9534D,118 I/O Expander, 8Bit, I2C/Smbus, Soic-16 | I/O Expanders
Newark
$8.99
XICOOLEE CAT9555 IO Expansion Module Board I2C Interface, Smbus I/O Port, 16 Bit Parallel GPIO Expander, With Pre-Soldered Header
Amazon.com
$8.99
XICOOLEE CAT9555 IO Expansion Module Board I2C Interface, Smbus I/O Port, 16 Bit Parallel GPIO Expander, With Pre-Soldered Header
Amazon.com
$13.99
ACEIRMC 6Pcs PCF8575 IO Expander Board Module I2C To 16IO IIC I2C I/O Extension Shield Module 16 Bit Smbus I/O Ports For Arduino R3 (6Pcs)
Amazon.com
35
$13.99
ACEIRMC 6Pcs PCF8575 IO Expander Board Module I2C To 16IO IIC I2C I/O Extension Shield Module 16 Bit Smbus I/O Ports For Arduino R3 (6Pcs)
Amazon.com
$4.79
Texas Instruments PCF8574AN Ic, I2C Bus Expander 16Dip | I/O Expanders
Newark
$4.79
Texas Instruments PCF8574AN Ic, I2C Bus Expander 16Dip | I/O Expanders
Newark
$15.99
Fainwan 5Pcs PCF8574 IO Expansion Board I/O Expander I2C-Bus Evaluation Development Module
Amazon.com
5
$15.99
Fainwan 5Pcs PCF8574 IO Expansion Board I/O Expander I2C-Bus Evaluation Development Module
Amazon.com
$3.48
Seeed Studio 103020006 Expansion I2C Interface Board | Analog Development Kit Accessories
Newark
$3.48
Seeed Studio 103020006 Expansion I2C Interface Board | Analog Development Kit Accessories
Newark
$1.32
Nxp PCA9536DP,118 I/O Expander, 4Bit, 400 Khz, I2C, Smbus, 2.3 V, 5.5 V, Tssop Rohs Compliant: Yes
Newark
$1.32
Nxp PCA9536DP,118 I/O Expander, 4Bit, 400 Khz, I2C, Smbus, 2.3 V, 5.5 V, Tssop Rohs Compliant: Yes
Newark
$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
$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
$6.52
2Pcs ADS1115 16 Bit I2C Module Precision ADC 4 Channel Analog-To-Digital Converter Development Board Pro Gain Amplifier For Arduino Raspberry Pi ADC
Amazon.com
$6.52
2Pcs ADS1115 16 Bit I2C Module Precision ADC 4 Channel Analog-To-Digital Converter Development Board Pro Gain Amplifier For Arduino Raspberry Pi ADC
Amazon.com
$2.34
Microchip MCP23016-I/SS I/O Expander, 16Bit, 400 Khz, I2C, 2 V, 5.5 V, Ssop Rohs Compliant: Yes | I/O Expanders
Newark
$2.34
Microchip MCP23016-I/SS I/O Expander, 16Bit, 400 Khz, I2C, 2 V, 5.5 V, Ssop Rohs Compliant: Yes | I/O Expanders
Newark
$1.57
Nxp PCA9554D,118 I/O Expander, 8Bit, 400 Khz, I2C, Smbus, 2.3 V, 5.5 V, Soic Rohs Compliant: Yes
Newark
$1.57
Nxp PCA9554D,118 I/O Expander, 8Bit, 400 Khz, I2C, Smbus, 2.3 V, 5.5 V, Soic Rohs Compliant: Yes
Newark
$13.99
AITRIP 10Pcs PCF8574 IO Expansion Board I/O Expander I2C-Bus Evaluation Development Module For Arduino & Raspberry Pi
Amazon.com
23
$13.99
AITRIP 10Pcs PCF8574 IO Expansion Board I/O Expander I2C-Bus Evaluation Development Module For Arduino & Raspberry Pi
Amazon.com
$1.04
Nxp PCF8574T/3,518 I/O Expander, 8Bit, 100 Khz, I2C, 2.5 V, 6 V, Soic Rohs Compliant: Yes | I/O Expanders
Newark
$1.04
Nxp PCF8574T/3,518 I/O Expander, 8Bit, 100 Khz, I2C, 2.5 V, 6 V, Soic Rohs Compliant: Yes | I/O Expanders
Newark
$14.99
12PCS PCF8574 IO MCU Expansion Board I2C Interface 8Bit I/O Expander IIC Bus Evaluation Development Module
Amazon.com
4
$14.99
12PCS PCF8574 IO MCU Expansion Board I2C Interface 8Bit I/O Expander IIC Bus Evaluation Development Module
Amazon.com
$1.58
Texas Instruments PCF8574RGTR I/O Expander, 8Bit, I2C, 100Khz, Qfn-16 | I/O Expanders
Newark
$1.58
Texas Instruments PCF8574RGTR I/O Expander, 8Bit, I2C, 100Khz, Qfn-16 | I/O Expanders
Newark
$11.62
$26.62
Pcf8574 Io Expansion Board I/O Expander I2c-Bus Evaluation Development
eBay
56% off
$11.62
$26.62
Pcf8574 Io Expansion Board I/O Expander I2c-Bus Evaluation Development
eBay
$11.49
I2C Bus Breakout Board 8X4 With LED And Pull Up Resistors Serial Wombat PCB_0012 For IIC Expansion Or Power Bus Using Jumper Wires 4-Pack
Amazon.com
4
$11.49
I2C Bus Breakout Board 8X4 With LED And Pull Up Resistors Serial Wombat PCB_0012 For IIC Expansion Or Power Bus Using Jumper Wires 4-Pack
Amazon.com
$2.75
MCP23008 - I2C 8 Input/Output Port Expander
Jameco Electronics
$2.75
MCP23008 - I2C 8 Input/Output Port Expander
Jameco Electronics
$2.17
PCF8575 Module Expansion IO Port Expander Board DC 2.5-5.5V I2C Communication Control 16 IO Ports
Aliexpress
$2.17
PCF8575 Module Expansion IO Port Expander Board DC 2.5-5.5V I2C Communication Control 16 IO Ports
Aliexpress
IO Expander for ESP32, ESP8266, and Arduino
instructables.com
IO Expander for ESP32, ESP8266, and Arduino
IO Expander for ESP32, ESP8266, and Arduino: Would you like to expand the IOs of your ESP32, ESP8266, or Arduino? And have you thought about the possibility of 16 new GPIOs that can be controlled using the I2C bus? Well today, I'm going to introduce you to the GPIO expander MCP23016. Also, I’l…
Oct 1, 2020
I²C Tutorial
Arduino I2C Tutorial: I2C Communication Between Arduino Boards
Arduino I2C Tutorial: I2C Communication Between Arduino Boards
microcontrollerslab.com
May 20, 2022
I²C Address & Product ID Scanner – Instantly Identify Your Modules!
1:22
I²C Address & Product ID Scanner – Instantly Identify Your Modules!
YouTubeUncle Duncan's Electronics
219 views3 months ago
How to Connect a 16×2 LCD Module Using I²C the Easy Way
2:37
How to Connect a 16×2 LCD Module Using I²C the Easy Way
YouTubeEskillboards
108 views3 months ago
Top videos
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)
instructables.com
33.2K viewsOct 4, 2020
Using the PCF8575 I2c I/o Expander to Read Inputs With Arduino
Using the PCF8575 I2c I/o Expander to Read Inputs With Arduino
instructables.com
71.5K viewsSep 30, 2020
Interfacing an I2C GPIO expander (MCP23017) to the Raspberry Pi using C (SYSFS)
Interfacing an I2C GPIO expander (MCP23017) to the Raspberry Pi using C (SYSFS)
adafruit.com
Apr 4, 2013
I²C Devices
Smart Thermos with 0.49" PMOLED Display
0:59
Smart Thermos with 0.49" PMOLED Display
YouTubeShineworld Innovations
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What is I²C: explained in a very simple manner with a real-life example #i2c #communicationprotocols
2:12
What is I²C: explained in a very simple manner with a real-life example #i2c #communicationprotocols
YouTubePiyush Prasoon
28 views1 month ago
Robu.in - ONLINE STORE FOR ELECTRONICS on Instagram: "Read Caption.... . . 🔍 Meet the SmartElex ESP32 C6 WROOM1-N8 — a powerhouse development board that packs Wi-Fi, Bluetooth, Zigbee, and Thread into one! . . Powered by a dual-core 32-bit RISC-V processor at 160 MHz, it’s ideal for: 💡 Cloud IoT projects 🏭 Industrial automation 🏠 Smart home devices . . Supports UART, SPI, I²C & more — designed for low-power, wireless communication. . . 📌 Pro tip: Perfect for building connected IoT and smart
Robu.in - ONLINE STORE FOR ELECTRONICS on Instagram: "Read Caption.... . . 🔍 Meet the SmartElex ESP32 C6 WROOM1-N8 — a powerhouse development board that packs Wi-Fi, Bluetooth, Zigbee, and Thread into one! . . Powered by a dual-core 32-bit RISC-V processor at 160 MHz, it’s ideal for: 💡 Cloud IoT projects 🏭 Industrial automation 🏠 Smart home devices . . Supports UART, SPI, I²C & more — designed for low-power, wireless communication. . . 📌 Pro tip: Perfect for building connected IoT and smart
Instagramrobu.in_
14K views4 months ago
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 (Ardui…
33.2K viewsOct 4, 2020
instructables.com
Using the PCF8575 I2c I/o Expander to Read Inputs With Arduino
Using the PCF8575 I2c I/o Expander to Read Inputs With Arduino
71.5K viewsSep 30, 2020
instructables.com
Interfacing an I2C GPIO expander (MCP23017) to the Raspberry Pi using C (SYSFS)
Interfacing an I2C GPIO expander (MCP23017) to the Raspberry Pi u…
Apr 4, 2013
adafruit.com
Adafruit PCF8575 I2C 16 GPIO Expander Breakout - STEMMA QT / Qwiic
Adafruit PCF8575 I2C 16 GPIO Expander Breakout - STEMMA QT …
Apr 13, 2022
core-electronics.com.au
IC Chips MCP23017 E SP DIP 28 MCP23017 16 Bit I O Expander with I2C Interface IC
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IC Chips MCP23017 E SP DIP 28 MCP23017 16 Bit I O Expander wit…
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YouTubeWizard Reviews
The Great Search - I2C IO Expander (Since we can't get MCP230xx) @Adafruit @DigiKey
The Great Search - I2C IO Expander (Since we can't get MCP230xx) @…
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MicroPython - Using IO Expanders
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PCF8574 I2C GPIO Expander Tutorial
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Shop i2c expander

Sponsored
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$15.49
Maxim Integrated/Analog Devices MAX7300ATL+ I/O Expander, I2C, 20/28Port, Tqfn-40 | I/O Expanders
Newark
$15.49
Maxim Integrated/Analog Devices MAX7300ATL+ I/O Expander, I2C, 20/28Port, Tqfn-40 | I/O Expanders
Newark
$5.36
Maxim Integrated/Analog Devices MAX7319ATE+ I/O Expander, I2C, 8Port, 40Khz, Tqfn-16 | I/O Expanders
Newark
$5.36
Maxim Integrated/Analog Devices MAX7319ATE+ I/O Expander, I2C, 8Port, 40Khz, Tqfn-16 | I/O Expanders
Newark
$1.37
Nxp PCA9535D,112 I/O Expander, 16Bit, I2C/Smbus, Soic-24 | I/O Expanders
Newark
$1.37
Nxp PCA9535D,112 I/O Expander, 16Bit, I2C/Smbus, Soic-24 | I/O Expanders
Newark
$7.75
Maxim Integrated/Analog Devices MAX7313ATG+ I/O Expander, I2C, 16Port, Tqfn-24 | I/O Expanders
Newark
$7.75
Maxim Integrated/Analog Devices MAX7313ATG+ I/O Expander, I2C, 16Port, Tqfn-24 | I/O Expanders
Newark
$0.96
Nxp PCA9534PW,118 I/O Expander, 8Bit, I2C/Smbus, Tssop-16 | I/O Expanders
Newark
$0.96
Nxp PCA9534PW,118 I/O Expander, 8Bit, I2C/Smbus, Tssop-16 | I/O Expanders
Newark
$2.31
Microchip MCP23016-I/SP I/O Expander, 16Bit, 400 Khz, I2C, 2 V, 5.5 V, Dip Rohs Compliant: Yes | I/O Expanders
Newark
$2.31
Microchip MCP23016-I/SP I/O Expander, 16Bit, 400 Khz, I2C, 2 V, 5.5 V, Dip Rohs Compliant: Yes | I/O Expanders
Newark
$1.35
Semtech SX1508BIULTRT I/O Expander, I2C, -40 To 85Deg C | I/O Expanders
Newark
$1.35
Semtech SX1508BIULTRT I/O Expander, I2C, -40 To 85Deg C | I/O Expanders
Newark
$2.17
Nxp PCA9555AHF,128 I/O Expander, 16Bit, I2C/Smbus, Hwqfn-24 | I/O Expanders
Newark
$2.17
Nxp PCA9555AHF,128 I/O Expander, 16Bit, I2C/Smbus, Hwqfn-24 | I/O Expanders
Newark
$1.46
Nxp PCF8574ATS/3,118 I/O Expander, 8Bit, I2C, Ssop-20 | I/O Expanders
Newark
$1.46
Nxp PCF8574ATS/3,118 I/O Expander, 8Bit, I2C, Ssop-20 | I/O Expanders
Newark
$9.95
Sparkfun 16-Channel I/O Expander - SX1509 With I2C Interface, GPIO, 5.5V Tolerant I/Os, LED Driver, Keypad Scanning Engine
Amazon.com
13
$9.95
Sparkfun 16-Channel I/O Expander - SX1509 With I2C Interface, GPIO, 5.5V Tolerant I/Os, LED Driver, Keypad Scanning Engine
Amazon.com
$1.32
Nxp PCA9536D,118 I/O Expander, 4Bit, I2C/Smbus, Soic-8 | I/O Expanders
Newark
$1.32
Nxp PCA9536D,118 I/O Expander, 4Bit, I2C/Smbus, Soic-8 | I/O Expanders
Newark
$2.14
Nxp PCA9555DB,118 I/O Expander, 16Bit, I2C/Smbus, Ssop-24 | I/O Expanders
Newark
$2.14
Nxp PCA9555DB,118 I/O Expander, 16Bit, I2C/Smbus, Ssop-24 | I/O Expanders
Newark
$2.19
Microchip MCP23016-I/SO I/O Expander, 16Bit, 400 Khz, I2C, 2 V, 5.5 V, Soic Rohs Compliant: Yes | I/O Expanders
Newark
$2.19
Microchip MCP23016-I/SO I/O Expander, 16Bit, 400 Khz, I2C, 2 V, 5.5 V, Soic Rohs Compliant: Yes | I/O Expanders
Newark
$1.30
Nxp 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 PCA9698BS,118 I/O Expander, 40Bit, 1 Mhz, I2C, Smbus, 2.3 V, 5.5 V, Hvqfn Rohs Compliant: Yes | I/O Expanders
Newark
$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
$10.99
NOYITO MCP23017-E SS I2C Interface 16-Channel IO Expansion Module Compatible IIC Input And Output Expansion Board
Amazon.com
$10.99
NOYITO MCP23017-E SS I2C Interface 16-Channel IO Expansion Module Compatible IIC Input And Output Expansion Board
Amazon.com
$0.26
Nxp PCA9534D,118 I/O Expander, 8Bit, I2C/Smbus, Soic-16 | I/O Expanders
Newark
$0.26
Nxp PCA9534D,118 I/O Expander, 8Bit, I2C/Smbus, Soic-16 | I/O Expanders
Newark