Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant's customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. As an Amazon Associate we may earn from qualifying purchases. We may receive a commission from purchases made through links on our site, which will help us continue to provide you with value.
Best Choice Create idea New
Create idea 16-ch IO Expansion Pin Module Board I2C Interface IIC Input Output MCP23017-E/SS for Computer Game Console It is suitable for computer peripherals, game console control, smart home, sensor management, motor control, LED matrixBest Value Azuocn New
2PCS PCF8575 IO Expander Board Module I2C to 16IO IIC I2C I/O Extension Shield Module 16 bit SMBus I/O Ports for Arduino Working current: 100mA(MAX); I2C address: 0x20(default),can be modified by soldering A1 and A2 selection pads.Waveshare New
Waveshare Industrial 8-Ch Digital Input & Output Module, DC 7~36V Wide Voltage Power Supply, Modbus RTU Protocol, Multip Wegiwuca New
MCP23017 I2C I/O Expander Module Built-in and Low Power Consumption for IoT Devices Low Power Consumption I/O Expansion Optimizes smart home controllers and sensor arrays by adding multiple connections through 128 ports cascading GPIO expanCRDARAAV New
PCF8574 IO Expansion Board 8Bit Parallel Expander I2C-Bus Evaluation Development Module The PCF8574 IO expansion board is used as remote 8-bit I/O expander for I2C-bus.YOUMILE New
Youmile 2 pcs PCF8575 IO Expander Board Module I2C to 16IO Module I/O Extension Shield Module 16 bit SMBus I/O Ports wit 【Parameters】: Working voltage: 2.5 - 5.5VDC; Working current: 100mA(MAX); I2C address: 0x20(default), can be modified byEBYTE NewEBYTE ModBus RTU Serial IO Module RS485 Interface 8DO 8 Digital Outputs MA01-XXCX0080 Rail Installation 8~28V DC MA01 -XXCX0080 is a supporting configuration software or PLC issued via the serial port (RS485) instructions to controlLrocaoai New2X 8Ch Input/Output Digital Switch TTL LvTTL CMOS RS485 IO Control Module Modbus Rtu Board for PLC Relay(with Terminal) 1 Working voltage: DC 12V (6-24V)DIANN NewDiann 4pcs MP3 Voice Playback Module DY-SV5W Player Music Voice Board IO Trigger UART Serial Adapter Control Playback Mo DY-SV5W is a Intelligent Voice Module, Integrated IO Segmentation Triggering, UART Serial Port Control, ONE_Line SingleRakstore NewRakstore 2pcs PCF8575 Module Expansion IO Port Expander Board DC 2.5-5.5V I2C Communication Control 16 IO Ports Working voltage: 2.5-5.5V DC;Working current: 100mA (MAX)HDPQNHWA New8-Way 1-Wire DS18B20 Digital Temperature Sensor Modbus RS485 Analog IO Module for PLC Paperless Recorder Thermostatic Co In order to collect temperature more stably, it is recommended that the cable length of the DS18B20 probe should not excSENECESLI NewSENECESLI MCP23017 IO Expansion Module, 16 Bit I2C IIC Input Output Port Extender Board, with 3.3V 5V Logic Level Suppor High Compatibility: This MCP23017 IO expansion module supports 3.3V and 5V logic levels, making it directly compatible wQCCAN New8PCS PCF8574 IO Expansion Board Module I/O Expander I2C-Bus Evaluation Development Module PCF8574 Blue module function: I2C interface, I/O expansion module, two I/O scalability 8 I/O (up to 8 simultaneous use tGeneric NewIO Extension Module with I2C Interface, 16 - Bit IIC Input Output Expansion Pin Board for MCP23017 - E/SS, 3V - 5.5V Com 16-Bit IO Expansion: This IO extension module uses the MCP23017-E/SS chip to add 16 configurable input/output pins via IReland Sun NewReland Sun 3V 5V Low Control High Voltage 12V 24V 36V E-switch Mosfet Module For Connect IO MCU PWM Control Motor Speed Board use of opto isolated, Completely separated from the 2-terminal voltage.Generic NewIO Extension Module with I2C Interface, 16 - Bit IIC Input Output Expansion Pin Board for MCP23017 - E/SS, Compatible wi 16-Channel IO Expansion: This IO extension module uses the MCP23017-E/SS chip to add 16 configurable input/output pins vBowyTrading NewIO Extension Module with I2C Interface, 16 - Bit IIC Input Output Expansion Pin Board for MCP23017 - E/SS, 3V to 5.5V Co 16-Channel IO Expansion: This IO Extension Module uses the MCP23017-E/SS chip to add 16 configurable input or output pinZenithAur NewZenithAur PWM Driver Module with Opto-Isolator for MCU IO Signal Isolation, a Low Voltage 3V 5V Controlled MOSFET Switch HIGH VOLTAGE SWITCHING: Employs a MOS transistor to let a 3V / 5V low voltage signal manage high voltage devices. This FCryfokt NewCryfokt 16 I/O Pins IO Expansion Board I2C Interface Extension Module for DIY Enthusiasts [COMPATIBILITY LEVEL] On-board level conversion circuit, compatible with 3.3V/5V levels. Generate interrupt output on stACEIRMC NewACEIRMC 3pcs PCF8575 IO Expander Board Module I2C to 16IO IIC I2C I/O Extension Shield Module 16 bit SMBus I/O Ports for for Arduino available library: PCF8575; Working voltage: 2.5 - 5.5VDCNOYITO NewPCF8574 IO Expansion Board I/O Expander I2C-Bus Evaluation Development Module - 2Pcs The PCF8574 IO Expansion Board is used as remote 8-bit I/O expander for I2C-bus. Up to 8 PCF8574 IO Expansion Board canOmquot NewOmquot 6 Digit LED Digital Display Module Green 0.56in TM1637 Driver for DIY Electronic Equipments 5V 2Pin IO [HIGH-PERFORMANCE DISPLAY] This 0.56" 6 digit LED digital display module features a clear screen with each decimal pointSEENGREAT NewSEENGREAT CAT9555 IO Expansion Module Board I2C Interface Expands 16 bit Parallel GPIO Expander, SMBus I/O Port, with Pr 400 kHz I2C bus compatibleDiitao NewDiitao 2PCS Voice Playback Module,MP3 Player Music Voice Board IO Trigger UART Serial Adapter Control Playback Module Mi DY-SV5W voice playback module,Support MP3, WAV decoding format,Support sampling rate (KHz): 8/11.025/12/16/22.05/24/32/4Waveshare NewWaveshare MCP23017 IO Expansion Board I2C Interface Expands 16 I/O Pins Allows 8 pcs Stacked and Used at The Same Time A MCP23017 GPIO module, I2C controlled, expands 2 signal pins as 16 I/O pinsGeneric NewVoice Sound Playback Module Arduino MP3 Player Module UART I/O Trigger Class D Amplifier Board 5W 8M Storage DY-SV5W SD/ LT Easiyl NewLT Easiyl 5Pcs DFPlayer Mini MP3 Player Module Audio Voice Board MP3 Voice Decode Board Supporting TF Card/U-Disk/IO/Ser Supports Multiple Sample Rates: Supports sampling rates of 8/11.025/12/16/22.05/24/32/44.1/48 KHz.Waveshare NewWaveshare Compute Module 5 IO Board, Compatible with All Variants of Raspberry Pi CM5, with PoE Feature, Single Board On Standard CM5 socket and Raspberry Pi 40PIN GPIO header suitable for all variants of Compute Module 5DollaTek NewDollaTek Voice Sound Playback Module Arduino MP3 Player Module UART I/O Trigger Class D Amplifier Board 5W 8M Storage SD This module integrates I/O subsection triggering, UART serial port control, ONE_line single bus serial port control.Dcnhfdsw NewDcnhfdsw PCA9555 Module IO Expansion Module GPIO Level Conversion 16-Way Non-MCP23017 PCF8575 PCA9555 The special chip of SX-GPI0-KB module is PCA9555 of NXP company, which is a 40-bit general GPI0 expansion chip with 56-pDcnhfdsw NewDcnhfdsw PCA9555 Module IO Expansion Module GPIO Level Conversion 16-Way Non-MCP23017 PCF8575 PCA9555 The special chip of SX-GPI0-KB module is PCA9555 of NXP company, which is a 40-bit general GPI0 expansion chip with 56-pTeyleten Robot NewTeyleten Robot PCF8574 PCF8574T IO Expansion Board I/O Expander I2C Evaluation Develop Module (5pcs) based on I2C interface of the I/O expansion module, 2 I/O scalable 8 I/O (can be used at the same time up to 8 PCF8574,MXNKLJ NewModBus RTU Serial IO Module RS485 Interface 4DI+4DO 4 Digital Outputs Rail Installation 8~28VDC MA01-AXCX4040 Barebone PCsIO Crest NewIO CREST M.2 M-Key PCI-e 3.0 Interface Single Port 5.0 Gigabit Ethernet Modules Supports 5G Lite (2.5G data rate) mode, 2.5G Lite (1G data rate) and GIGA Lite (500M data rate) modeTreedix NewTreedix 5PCS IO Expansion Module I/O Expansion Module I2C Compatible with AVR STM8 C8051F Arduino The PCF8574 IO expansion board provides universal remote I/O expansion through a two-wire bidirectional I2C bus (serialEC Buying NewEC Buying LD2410C Sensor Module HLK-LD2410 Human Presence Radar Sensor Module LD2410 Millimeter Wave Radar Sensor Module LD2410C is a high sensitivity 24GHz human presence state sensing module. Its working principle is to use FMCW FM continuSenzooe New5PCS Mini MP3 Player Module MP3 Voice Decode Board Supporting TF Card U-Disk IO/Serial Port/AD 5PCS Mini MP3 Player Module MP3 Voice Decode Board Supporting TF Card U-Disk IO/Serial Port/ADUeeKKoo NewMini Base Board Compatible with Raspberry Pi Compute Module 5 Lite/eMMC Series, CM5 Base Board with Color-Coded 40PIN GP This is Mini Base Board (A) with standard CM5 socket and color-coded RPi 40PIN GPIO header, compatible with Compute ModuWaveshare NewWaveshare Compute Module 5 IO Board+Case, Compatible with All Variants of Raspberry Pi CM5, with PoE Feature, Bundle wit Standard CM5 socket and Raspberry Pi 40PIN GPIO header suitable for all variants of Compute Module 529% Off A-DIGISHUO NewA-DIGISHUO BME280 5V Ttemperature Humidity Barometric Pressure Sensor Module IIC I2C Suitable for Arduino *The BME280 sensor module can not only measure temperature and pressure, but also humidity.NOYITO NewNOYITO Nano I O Expansion Sensor Shield Module for UNO R3 Nano V3.0 (Pack of 2) This I/O Expansion Shield is specifically designed to facilitate an easy connection between Arduino Nano and many otherDcnhfdsw NewDcnhfdsw PCA9698 Module IO Expansion Module GPIO Level Conversion 16-Way Non-MCP23017 PCF8575 PCA9698 The special chip of SX-GPI0-KB module is PCA9698 of NXP company, which is a 40-bit general GPI0 expansion chip with 56-pAITIAO NewAITIAO 10Pcs PCF8574 IO Expansion Board Module I/O Expander I2C Bus Evaluation Development Module PCF8574 IO expansion chip with I2C interface, 8-bit parallel port outputKiRYu NewDC 12V 24V 16 Input 16 Output RS485 Remote Control Switch PLC IO Expansion Board Modbus RTU Module, Only Board 16 channels Darlington output (ULN2803 NPN output)UeeKKoo NewCompute Module 5 PoE Base Board, CM5 IO Board with PoE Feature, Support POE and Type C Power Supply/M.2 NVMe Solid State Compute Module 5 PoE Base Board ( Compute Module 5 IO Board with PoE Feature ) for Compute Module 5 Variants ( All VersiTUOPUONE NewTUOPUONE Compute Module IO Board Compatible with Raspberry Pi with PoE Feature Composite Breakout Board for Developing w ✨The Compute Module PoE Board is a development board which you can plug a RPi Compute Module into, and make use of the rUtopially NewUtopially 2X DY-SV5W Voice Playback Module for MP3 Music Player Voice Playback Amplifier 5W SD/TF Card Integrated UART I Fully support FAT16/FAT32 file system, maximum support 32G TF card.YIQFOCA New5 Set 3V 1 Channel Relay Power Switch Board, High Level Driver Optocoupler Module Isolated Drive Control Board for ESP82 You will recevie 5Pcs 3v Relay 1 Channel power switch module compatible with 10A 250VAC and 10A 30VDC load.5pcs * 2.5 mmIO Crest NewI/O Crest M.2 (B & M-Key) PCIe Interface Single Port Gigabit Ethernet Modules NIC RealTek RTL8111H Chipset Fully compliant with Microsoft NDIS5, NDIS6(IPv4, IPv6, TCP, UDP) Checksum and Segmentation Task-offload (Large send andDIANN NewDIANN PN532 NFC NXP RFID Module V3 Kit Near Field Communication Reader Module Kit I2C SPI HSU with S50 White Card Key Ca Power Voltage: 3.3V-5VFilfeel NewFILFEEL MOSFET Switching Module, 3.3V 12V Input 5V 36V Output 22A Large Current, with Optical Isolation and Screw Termin [Easy Wiring & Convenient Control] The mosfet switch module features input and output screw terminal blocks along with 2Waveshare NewWaveshare Raspberry Pi Compute Module 4 IO Board with PoE Feature Suitablr for All Variants of CM4 Suitable For Evaluating The Raspberry Pi CM4 Or Being Integrated Into End ProductsMXNKLJ NewModBus RTU Serial IO Module RS485 Interface 8DO 8 Digital Outputs Rail Installation 8~28VDC MA01-XXCX0080 Barebone PCsGeneric NewGeneric ILI9341 2.8" Color LCD Display Module with 65K Color Display, 9 IO Drivers Needed, for Projects (Without Touch, 【VIBRANT COLOR DISPLAY】Enjoy a colorful viewing experience with the 2.8 inch color screen that supports 65K colors, provNooElec NewNooelec SAWbird+ iO - Premium Saw & Cascaded Ultra-Low Noise LNA Module for Inmarsat Applications. 1542MHz Center Freque SAWbird+ iO is a self-contained LNA module designed for capturing L-Band signals, particularly Inmarsat AERO and STD-CaWaveshare NewWaveshare CM4-IO-BASE-B for Raspberry Pi Compute Module 4 Bundle with USB HDMI Adapter (6 Items) CM4-IO-BASE-B + USB HDMI Adapter More USB And HDMI Connectors Via FFCMXNKLJ NewModBus RTU Serial IO Module RS485 Interface AI DI DO 8 Digital Outputs Rail Installation 8~28VDC MA01-AXCX4020(8DO) Barebone PCsHyuduo NewHyuduo DSI Display Adapter Board, PCB 22PIN to 15PIN Converter for Compute Module 4 IO Board, DSI Monitor Connection, Id [22PIN to 15PIN Transfer]Easily connect DSI displays to Compute Module 4 IO Board or plus versions.Waveshare NewWaveshare Compute Module IO Board with PoE Feature Designed for Raspberry Pi Compute Modules CM3 / CM3L / CM3+ / CM3+L Raspberry Pi GPIO header, for connecting sorts of Raspberry Pi HATsWaveshare NewWaveshare Industrial 8-Ch Ethernet Digital Input/Output Module, Modbus RTU/TCP Protocols, Supports PoE Power Supply, wit Onboard voltage regulator chip, supports 7V ~ 36V wide range power supply and PoE power supply. Onboard unibody power suLrocaoai New2X DC 12V 24V 16 Input 16 Output RS485 Remote Control Switch PLC IO Expansion Board Modbus RTU Module, Only Board 16 channels output (ULN2803 NPN output)Cryfokt NewMOSFET Module, with Indicator MOS Tube Module, Quick Connection Strong Anti-Interference Ability for High Power Equipmen Stable Performance: MOS Tube Module uses high-quality ultra-small optocouplers with strong anti-interference ability, stVoniecop NewVoniecop 2X DC 12V 24V 16 Input 16 Output RS485 Remote Control Switch PLC IO Expansion Board Modbus RTU Module, Only Boa open "close" "Momentary" "Self-locking" "Interlock" "Delay" 6 CommandsNooElec NewNooelec SAWbird iO - Premium Dual Ultra-Low Noise Amplifier (LNA) & Saw Filter Module for Inmarsat Applications. 1542MHz SAWbird iO is a self-contained LNA module designed for capturing L-Band signals, particularly Inmarsat AERO and STD-CAOICRIE NewAOICRIE 4pcs Dfplayer Mini MP3 Player Module Compatible with R3 for Voice Module DIY DFPlayer Mini Voice Decode Board Su The DFPlayer Mini is a small and low cost MP3 module player with an simplified output directly to the speaker. The modulMXNKLJ NewProfinet Bus Remote Distributed IO Module Digital 14I 10O Signal Acquisition PN2A-IM24R PN2A-IM24TP Profibus(EMB-IO4R) Barebone PCsXTevu NewXTevu IO Module, I O Expansion Module Transistor Output Board, WS-0032ST 32 Channel 18-28V DC Controller for Automation This module uses communication interface, 32‑channel transistor output (non‑isolated), quick responseMXNKLJ NewProfinet Bus Remote Distributed IO Module Digital 14I 10O Signal Acquisition PN2A-IM24R PN2A-IM24TP Profibus(EMB-IO8TP) Barebone PCsMXNKLJ NewProfinet Bus Remote Distributed IO Module Digital 14I 10O Signal Acquisition PN2A-IM24R PN2A-IM24TP Profibus(EMB-IO8R) Barebone PCsMXNKLJ New4AI+4AO Switching Analog Remote IO Module RS485 Ethernet 0-20mA/4-20mA M31-XAXA0404G Modbus Easy Expansion DC 9-36V Barebone PCsLrocaoai New4X DC 12V 24V 16 Input 16 Output RS485 Remote Control Switch PLC IO Expansion Board Modbus RTU Module, Only Board 16 channels output (ULN2803 NPN output)MXNKLJ NewEtherNet/IP Remote Distributed IO Module Digital 14I 10O Signal Acquisition EI2A-IM24R IM24TP Dual Network Switch(EMB-IO Barebone PCsMXNKLJ NewEtherNet/IP Remote Distributed IO Module Digital 14I 10O Signal Acquisition EI2A-IM24R IM24TP Dual Network Switch(EMB-IO Barebone PCsMXNKLJ New1Pcs BSR Series Di/Do / 0-20mA / 0-10V / Pt100 / Termocouple to RS485 Modbus RTU IO Module(Kit5 4ch Digital) Barebone PCWaveshare NewWaveshare Raspberry Pi Compute Module 4 Development Kit with Official IO Board Basic Accessories Compute Module 4 IO Board is a baseboard officially released by Raspberry Pi that can be used with Raspberry Pi ComputeWaveshare NewRaspberry Pi Compute Module 4 IO Board A for CM4 Support PoE Dual MIPI DSI Display Interface and Dual MIPI CSI-2 Camera The Compute Module 4 IO Board is a companion board for Raspberry Pi Compute Module 4.Waveshare NewWaveshare Metal Box (A) for Raspberry Pi Compute Module 4 IO Board with Cooling Fan Designed For Raspberry Pi Compute Module 4 IO BoardMXNKLJ New1Pcs BSR Series Di/Do / 0-20mA / 0-10V / Pt100 / Termocouple to RS485 Modbus RTU IO Module(Kit3 2ch 0-10v) Barebone PCMXNKLJ New1Pcs BSR Series Di/Do / 0-20mA / 0-10V / Pt100 / Termocouple to RS485 Modbus RTU IO Module(Kit6 4ch 0-10v) Barebone PCMXNKLJ New1Pcs BSR Series Di/Do / 0-20mA / 0-10V / Pt100 / Termocouple to RS485 Modbus RTU IO Module(Kit1 2ch Relay Input) Barebone PCMXNKLJ New1Pcs BSR Series Di/Do / 0-20mA / 0-10V / Pt100 / Termocouple to RS485 Modbus RTU IO Module(Kit4 2ch 0-20mA) Barebone PCMXNKLJ New1Pcs BSR Series Di/Do / 0-20mA / 0-10V / Pt100 / Termocouple to RS485 Modbus RTU IO Module(Kit7 4ch 0-20mA) Barebone PCMXNKLJ New1Pcs BSR Series Di/Do / 0-20mA / 0-10V / Pt100 / Termocouple to RS485 Modbus RTU IO Module(Kit2 2ch Analog) Barebone PCMXNKLJ NewProfinet Bus Remote Distributed IO Module Digital 14I 10O Signal Acquisition PN2A-IM24R PN2A-IM24TP Profibus(EMB-AM8) Barebone PCsMXNKLJ NewProfibus DP Remote IO Module PD2A-IM24R PD2A-IM24TP 14DI 10DO Communication Acquisition Expansion Compatible with(EMB-AE Barebone PCsMXNKLJ NewProfibus DP Remote IO Module PD2A-IM24R PD2A-IM24TP 14DI 10DO Communication Acquisition Expansion Compatible with(EMB-AM Barebone PCsMXNKLJ NewProfibus DP Remote IO Module PD2A-IM24R PD2A-IM24TP 14DI 10DO Communication Acquisition Expansion Compatible with(EMB-AR Barebone PCsMXNKLJ NewProfibus DP Remote IO Module PD2A-IM24R PD2A-IM24TP 14DI 10DO Communication Acquisition Expansion Compatible with(EMB-IO Barebone PCsUeeKKoo NewMini Base Board Compatible with Raspberry Pi Compute Module 5 Lite/eMMC Series, with Color-Coded 40PIN GPIO/M.2 M Key PC Version Comparison: This is CM5-IO-BASE-B Version. It features EEPROM and encryption chip and M.2 M KEY PCIe, which is dMXNKLJ NewProfibus DP Remote IO Module PD2A-IM24R PD2A-IM24TP 14DI 10DO Communication Acquisition Expansion Compatible with(EMB-AM Barebone PCsMXNKLJ NewProfinet Bus Remote Distributed IO Module Digital 14I 10O Signal Acquisition PN2A-IM24R PN2A-IM24TP Profibus(EMB-AE8) Barebone PCsMXNKLJ NewProfibus DP Remote IO Module PD2A-IM24R PD2A-IM24TP 14DI 10DO Communication Acquisition Expansion Compatible with(EMB-IO Barebone PCsMXNKLJ NewProfibus DP Remote IO Module PD2A-IM24R PD2A-IM24TP 14DI 10DO Communication Acquisition Expansion Compatible with(EMB-IO Barebone PCsMXNKLJ NewProfinet Bus Remote Distributed IO Module Digital 14I 10O Signal Acquisition PN2A-IM24R PN2A-IM24TP Profibus(EMB-AR8G) Barebone PCsMXNKLJ NewProfinet Bus Remote Distributed IO Module Digital 14I 10O Signal Acquisition PN2A-IM24R PN2A-IM24TP Profibus(EMB-AM10) Barebone PCsMXNKLJ NewEtherNet/IP Remote Distributed IO Module Digital 14I 10O Signal Acquisition EI2A-IM24R IM24TP Dual Network Switch(EMB-AE Barebone PCsCHICIRIS NewCHICIRIS PWM 4-Channel Motor Driver Module, 3-20V to 3.7-27VDC 10A MOS FET Board for PLC System, Stepper Motor Speed Con [STRONG ANTI-INTERFERENCE] Equipped with optocoupler to eliminate interference and ensure stable performance.