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$11.99
I2C Interface Expansion Module I2chub I2cadapter Board
Amazon.com
2
$11.99
I2C Interface Expansion Module I2chub I2cadapter Board
Amazon.com
2
$10.99
NOYITO MCP23017-E SS I2C Interface 16-Channel IO Expansion Module Compatible IIC Input And Output Expansion Board
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10
$10.99
NOYITO MCP23017-E SS I2C Interface 16-Channel IO Expansion Module Compatible IIC Input And Output Expansion 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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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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2
$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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30
$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
30
$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
35
$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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$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
$9.29
DAOKAI 5 Pcs PCF8574 IO Expansion Board I/O Expander I2C Evaluation Develop Module MCU Expansion Board Module With Dupont Cable For Arduino For
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1
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DAOKAI 5 Pcs PCF8574 IO Expansion Board I/O Expander I2C Evaluation Develop Module MCU Expansion Board Module With Dupont Cable For Arduino For
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1
$15.99
Fainwan 5Pcs PCF8574 IO Expansion Board I/O Expander I2C-Bus Evaluation Development Module
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Fainwan 5Pcs PCF8574 IO Expansion Board I/O Expander I2C-Bus Evaluation Development Module
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5
$6.92
$9.88
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
29% off
$6.92
$9.88
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
$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
23
$14.99
12PCS PCF8574 IO MCU Expansion Board I2C Interface 8Bit I/O Expander IIC Bus Evaluation Development Module
Amazon.com
$14.99
12PCS PCF8574 IO MCU Expansion Board I2C Interface 8Bit I/O Expander IIC Bus Evaluation Development Module
Amazon.com
$2.00
Texas Instruments TCAL9539RPWR 16-BIT I2C/SMBUS I/O EXPANDER WI
DigiKey
$2.00
Texas Instruments TCAL9539RPWR 16-BIT I2C/SMBUS I/O EXPANDER WI
DigiKey
$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
4
$2.66
Texas Instruments PCF8574N IC I/O EXPANDER I2C 8B 16DIP
DigiKey
$2.66
Texas Instruments PCF8574N IC I/O EXPANDER I2C 8B 16DIP
DigiKey
$2.36
PCF8574 PCF8574T I2C 8 Bit GPIO Expander Module For Arduino & Raspberry Pi L2KE
eBay
$2.36
PCF8574 PCF8574T I2C 8 Bit GPIO Expander Module For Arduino & Raspberry Pi L2KE
eBay
$1.54
PCF8574T PCF8574 I2C 8 Bit IO GPIO Expander Module For Arduino & Raspberry Pi
eBay
$1.54
PCF8574T PCF8574 I2C 8 Bit IO GPIO Expander Module For Arduino & Raspberry Pi
eBay
$5.52
PCF8575 16-Bit IO Expander Module I2C To 16IO Ports Expansion Board
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$5.52
PCF8575 16-Bit IO Expander Module I2C To 16IO Ports Expansion Board
eBay
$187.63
1Pcs IO-EXPANDER-EVM Interface Development Tools I2C And Smbus IO Expander EVM
eBay
$187.63
1Pcs IO-EXPANDER-EVM Interface Development Tools I2C And Smbus IO Expander EVM
eBay
$17.46
5V IIC/I2C Serial Interface MCP23017 1602/2004/12864 LCD Expander Arduino Module
eBay
$17.46
5V IIC/I2C Serial Interface MCP23017 1602/2004/12864 LCD Expander Arduino Module
eBay
$7.99
Pack Of 2 PCA9539DWR IC I/O Expander 16 I2C, Smbus 400 Khz 24-SOIC
eBay
$7.99
Pack Of 2 PCA9539DWR IC I/O Expander 16 I2C, Smbus 400 Khz 24-SOIC
eBay
$0.99
PCA9554AD IC I/O Expander 8 I2C, Smbus 400 Khz 16-SO : Rohs
eBay
$0.99
PCA9554AD IC I/O Expander 8 I2C, Smbus 400 Khz 16-SO : Rohs
eBay
$36.72
($1.36/Pc) MCP23017-E/SO Microchip Technology I/O Expander - 16Bit - 1.7Mhz - I2C - 1.8 To 5.5 V - SOIC W - 28-Pin.
Onlinecomponents.com
$36.72
($1.36/Pc) MCP23017-E/SO Microchip Technology I/O Expander - 16Bit - 1.7Mhz - I2C - 1.8 To 5.5 V - SOIC W - 28-Pin.
Onlinecomponents.com
$15.13
5Pcs PCF8575 16-Bit IO Expander Module I2C To 16IO Ports Expansion Board
eBay
$15.13
5Pcs PCF8575 16-Bit IO Expander Module I2C To 16IO Ports Expansion Board
eBay
$20.36
4PCS PCF8575 IO Expander Module I2C To 16IO Integrated Circuits
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Free shipping
$20.36
4PCS PCF8575 IO Expander Module I2C To 16IO Integrated Circuits
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Free shipping
$3.87
2PCS MCP23008-E/SO MICROCHIP IC I/O EXPANDER I2C 8B SOIC-18 S
eBay
$3.87
2PCS MCP23008-E/SO MICROCHIP IC I/O EXPANDER I2C 8B SOIC-18 S
eBay
$5.60
1PCS PCA9557PW PCA9557 Remote 8-Bit I2C And Smbus Low-Power I/O Expander
eBay
$5.60
1PCS PCA9557PW PCA9557 Remote 8-Bit I2C And Smbus Low-Power I/O Expander
eBay
$15.98
2PCS PCF8574N PCF8574 Remote 8-Bit I/O Expander For I2C-Bus
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258
Free shipping
$15.98
2PCS PCF8574N PCF8574 Remote 8-Bit I/O Expander For I2C-Bus
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258
$32.25
($2.15/Pc) MCP23016-I/SP Microchip Technology I/O Expander - 16Bit - 400Khz - I2C - 2.0 To 5.5 V - 28-Pin SPDIP - Tube
Onlinecomponents.com
$32.25
($2.15/Pc) MCP23016-I/SP Microchip Technology I/O Expander - 16Bit - 400Khz - I2C - 2.0 To 5.5 V - 28-Pin SPDIP - Tube
Onlinecomponents.com
$14.90
3Pcs PCF8575 IO Expander Board Module I2C To 16IO IIC I2C I/O Extension Shield M
eBay
Free shipping
$14.90
3Pcs PCF8575 IO Expander Board Module I2C To 16IO IIC I2C I/O Extension Shield M
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Free shipping
$23.85
3Pcs PI4IOE5V96248ZLEX Interface - I/O Expanders 48-Bit I2C-Bus I/O Expander
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$23.85
3Pcs PI4IOE5V96248ZLEX Interface - I/O Expanders 48-Bit I2C-Bus I/O Expander
eBay
$2.82
1PCS CAT9555YI-T2 IC I/O EXPANDER I2C 16B 24TSSOP CAT9555 9555 CAT9555Y 96-9
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1
$2.82
1PCS CAT9555YI-T2 IC I/O EXPANDER I2C 16B 24TSSOP CAT9555 9555 CAT9555Y 96-9
eBay
1
$949.95
TEXAS INSTRUMENTS PCA9534PWR I/O Expander 8 I2C Smbus 400 Khz 16-TSSOP 2,000Qty
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$949.95
TEXAS INSTRUMENTS PCA9534PWR I/O Expander 8 I2C Smbus 400 Khz 16-TSSOP 2,000Qty
eBay
$6.40
1PCS PCA9554PW 9554DH Remote 8-Bit I2C And Smbus I/O Expander TSSOP16
eBay
$6.40
1PCS PCA9554PW 9554DH Remote 8-Bit I2C And Smbus I/O Expander TSSOP16
eBay
$11.59
5Pcs - PCF8574P - 8-Bit I2C I/O Expander W/ Interrupt - DIP-16 - HLF
eBay
Free shipping
$11.59
5Pcs - PCF8574P - 8-Bit I2C I/O Expander W/ Interrupt - DIP-16 - HLF
eBay
Free shipping
$0.99
PCA9557D I/O Expander 8 I2C, Smbus 400 Khz 16-SOIC, PCA9557D,112, PCA9557D,118
eBay
$0.99
PCA9557D I/O Expander 8 I2C, Smbus 400 Khz 16-SOIC, PCA9557D,112, PCA9557D,118
eBay
$15.93
PCF8574T PCF8574 IO Expansion Board Module I2C IO Expander Module 5Pcs
eBay
Free shipping
$15.93
PCF8574T PCF8574 IO Expansion Board Module I2C IO Expander Module 5Pcs
eBay
Free shipping

Shop i2c expander

Sponsored
About our ads
$11.99
I2C Interface Expansion Module I2chub I2cadapter Board
Amazon.com
2
$11.99
I2C Interface Expansion Module I2chub I2cadapter Board
Amazon.com
2
$10.99
NOYITO MCP23017-E SS I2C Interface 16-Channel IO Expansion Module Compatible IIC Input And Output Expansion Board
Amazon.com
10
$10.99
NOYITO MCP23017-E SS I2C Interface 16-Channel IO Expansion Module Compatible IIC Input And Output Expansion Board
Amazon.com
10
$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
2
$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
2
$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
30
$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
30
$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
35
$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
$9.29
DAOKAI 5 Pcs PCF8574 IO Expansion Board I/O Expander I2C Evaluation Develop Module MCU Expansion Board Module With Dupont Cable For Arduino For
Amazon.com
1
$9.29
DAOKAI 5 Pcs PCF8574 IO Expansion Board I/O Expander I2C Evaluation Develop Module MCU Expansion Board Module With Dupont Cable For Arduino For
Amazon.com
1
$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
5
$6.92
$9.88
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
29% off
$6.92
$9.88
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
$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
23
$14.99
12PCS PCF8574 IO MCU Expansion Board I2C Interface 8Bit I/O Expander IIC Bus Evaluation Development Module
Amazon.com
$14.99
12PCS PCF8574 IO MCU Expansion Board I2C Interface 8Bit I/O Expander IIC Bus Evaluation Development Module
Amazon.com
$2.00
Texas Instruments TCAL9539RPWR 16-BIT I2C/SMBUS I/O EXPANDER WI
DigiKey
$2.00
Texas Instruments TCAL9539RPWR 16-BIT I2C/SMBUS I/O EXPANDER WI
DigiKey
$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
4
$2.66
Texas Instruments PCF8574N IC I/O EXPANDER I2C 8B 16DIP
DigiKey
$2.66
Texas Instruments PCF8574N IC I/O EXPANDER I2C 8B 16DIP
DigiKey
$2.36
PCF8574 PCF8574T I2C 8 Bit GPIO Expander Module For Arduino & Raspberry Pi L2KE
eBay
$2.36
PCF8574 PCF8574T I2C 8 Bit GPIO Expander Module For Arduino & Raspberry Pi L2KE
eBay
$1.54
PCF8574T PCF8574 I2C 8 Bit IO GPIO Expander Module For Arduino & Raspberry Pi
eBay
$1.54
PCF8574T PCF8574 I2C 8 Bit IO GPIO Expander Module For Arduino & Raspberry Pi
eBay
$5.52
PCF8575 16-Bit IO Expander Module I2C To 16IO Ports Expansion Board
eBay
$5.52
PCF8575 16-Bit IO Expander Module I2C To 16IO Ports Expansion Board
eBay
$187.63
1Pcs IO-EXPANDER-EVM Interface Development Tools I2C And Smbus IO Expander EVM
eBay
$187.63
1Pcs IO-EXPANDER-EVM Interface Development Tools I2C And Smbus IO Expander EVM
eBay