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Best Choice Comimark 
Comimark 3Pcs PCF8574 PCF8574T I2C 8 Bit IO GPIO Expander Module for Arduino & Raspberry Pi Compatible with Arduino and Raspberry Pi.Best Value HDPQNHWA 
8-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 excSenzooe 
5PCS 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/ADRakstore 
Rakstore MCP23017 I2C Interface 16 Channel IO Expansion Module IIC Expansion Board This module is a 16-way IO extension module with 12C interface, built into the MCP23017 chip of MicroChipCreate idea 
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 matrixYOURRYONG 
3Pcs DY-SV17F Voice Playback Module IO Trigger USB Download 4MB Serial Port Control Voice Module Voice Playback Module: Enables voice control and playback functionality for your PCRakstore 
Rakstore 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)Wegiwuca 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 expanWaveshare Waveshare Industrial 8-Ch Digital Input & Output Module, DC 7~36V Wide Voltage Power Supply, Modbus RTU Protocol, Multip WINGONEER WINGONEER PCF8574 IO Expansion Board I/O Expander I2C-Bus Evaluation Development Module Standard interface that can be extended in a variety of development boardsHDPQNHWA 8-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 excJimcat star 6Pcs PCF8574 PCF8574T I2C 8 Bit IO GPIO Expander Module 6Pcs PCF8574 PCF8574T I2C 8 Bit IO GPIO Expander ModuleWegiwuca 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 expanAKLOSIPY AKLOSIPY 16 Input 16 Output RS485 Remote Control Expansion Board PLC IO Module for DC 6.5-30V Homes & Automation (Single Simple Wiring - Our power module circuit is expertly crafted with a on . The PCB wiring has been meticulously debugged,Utopially Utopially 2X 16-Ch IO Expansion Pin Module Board Interface IIC Input Output MCP23017-E/for Computer Game Console Featuring a user-configurable address, this module integrates seamlessly with standard 2.54mm pin headers. Its compatibiPODSJD LCD1602 I2C Interface Adapter Board 5V Converter Module for 1602 LCD - Save IO Ports with Easy 4 - Wire Connection, Adju [IO PORT SAVING]: This adapter reduces the original 7 IO ports needed for LCD1602 to just 2 by supporting I2C protocol,Kaifucy Kaifucy for Computer Game Console Compatible 16-Ch IO Expansion Pin Module Board IIC Interface MCP23017-E/Input Output At the heart of this module is the MCP23017-E/ chip, which supports the I²C communication protocol. It offers bidirectioReland Sun Reland 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.Eulbevoli Eulbevoli 16 Input 16 Output Expansion Board Remote Control Switch PLC IO Module for Smart Homes and Security Monitoring [VERSATILE REMOTE CONTROL] Easily manage 16 outputs from another board with 16 input options via RS485 bus.AOICRIE AOICRIE 5PCS PCF8574T PCF8574 IO Expansion Board Module I2C IO Expander Module (5 PCS) ✔I2C interface, I / O expansion module, two I / O scalability 8 I / O (up to 8 simultaneous use the PCF8574 expanded toUtopially Utopially 3X 16-Ch IO Expansion Pin Module Board Interface IIC Input Output MCP23017-E/for Computer Game Console The MCP23017 chip operates over high-speed IIC interfaces, supporting frequencies of 100KHz, 400KHz, and 1.7MHz. This feUtopially Utopially 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.Waveshare Waveshare 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 5Waveshare Waveshare 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 HATsIO Crest IO 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) modeDANAIXZ LCD1602 I2C Adapter Module High Efficiency 5V Converter Board for Projects with Backlight Control Compact Design Saves I [IO PORT OPTIMIZATION] This innovative adapter dramatically reduces the required connections for your 1602 LCD display fBjworeye Bjworeye 4X 16-Ch IO Expansion Pin Module Board Interface IIC Input Output MCP23017-E/for Computer Game Console Featuring a user-configurable address, this module integrates seamlessly with standard 2.54mm pin headers. Its compatibiQCCAN 8PCS 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 tQCCAN 8PCS 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 tLoqrwe Loqrwe PCA9555 Module IO Expansion Module GPIO Level Conversion 16-Way Non-MCP23017 PCF8575 PCA9555 The special chip of -GPI0-KB module is PCA9555 of NXP company, which is a 40-bit general GPI0 expansion chip with 56-pinTreedix Treedix 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 (serialReland Sun DY-SV17F Audio Module Mini MP3 Player IO Trigger USB Download Flash Voice Module Reland SunPqredg Pqredg PCA9555 Module IO Expansion Module GPIO Level Conversion 16-Way Non-MCP23017 PCF8575 PCA9555 The special chip of -GPI0-KB module is PCA9555 of NXP company, which is a 40-bit general GPI0 expansion chip with 56-pinPodazz Podazz 3Pcs PCF8575 Board Module IO Expansion Board Module I2C to 16IO IIC I2C I/O Port Expansion Board 【I2C Addressability】The default I2C address is 0x20, but this can be altered by soldering the A1 and A2 selection pads,Gearwell Gearwell RS485 IO Module, Digital Input Output Board, 8DI 8DO Optical Isolation, Industrial Control Module, DC 7-25V Com 8 CHANNELS: 8 channels optical isolation digital input (NPN low level input) and output (ULN2803 NPN output), with a maxAswalling Aswalling 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 MOSFET 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, stAITIAO AITIAO 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 outputWaveshare Waveshare 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 5Yosoo 2G/3G Glue Stick Antenna Io Modules Dtu for Nb Gprs 2G Glue Stick for Sticky Glue 5Pcs Io Modules Summary Of Selling Points: sophisticated design, description of selling points This product a hexagonal and inner hexagoRuilogod Ruilogod Character LCD1602 Module I/O Expansion Card Keypad Product Name: LCD Display Module; Input Voltage: DC 5VJustivana Justivana RS485 Ethernet 16DI Expansion Remote IO Module CDSENET GAXXXA000 Analog Switch Acquisition Modbus RTU Works RS485 Ethernet 16DI Expansion Remote IO ModuleA-DIGISHUO A-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.Waveshare Waveshare 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 pinsYIQFOCA 5 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 mmxelea xelea 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-pLNAUIDB for CA2-IO16T Remote IO Module - 16 in Out Digital Transistor Communication Expansion for Automation Systems Enhance your automation systems with the CA2-IO16T Remote IO Module, featuring 16 digital inputs and 16 digital outputsBjworeye Bjworeye 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-pUeeKKoo Compute 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 VersiUeeKKoo Metal Case Compatible with Raspberry Pi Official Compute Module 5 IO Board, Comes with CM5 Cooling Fan and 40PIN GPIO Ad Metal Case for Official Compute Module 5 IO Board, Comes with CM5 Cooling Fan and 40PIN GPIO Adapter. ( Note: official CDollaTek DollaTek 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.Anlayliay Anlayliay DC 12V 24V 16 Input 16 Output RS485 Remote Control Switch PLC IO Expansion Board Modbus RTU Module, Only Board open "close" "Momentary" "Self-locking" "Interlock" "Delay" 6 CommandsXIITIA XIITIA 3pcs LD2410C Human Presence Radar Sensor Module HLK-LD2410 Sensor Module LD2410 Millimeter Wave Radar Sensor Modu ★24GHz ISM band, the farthest sensing distance is up to 5 meters, the detection angle is large, and the coverage range cSuesacy Suesacy DY-SV5W Voice Playback Module for MP3 Music Player Voice Playback Amplifier 5W SD/TF Card Integrated UART I/O Tr Waveshare Waveshare 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 ProductsJINTAI JINTAI IO Module Board Replacement for Lenovo Ideapad 330S-15ARR 81FB 5C50R27417 IO Board This product is a replacement for ideapad 330S-15ARR 81FB 5C50R27417 IO boardWaveshare Waveshare Mini Base Board Type B Designed for Raspberry Pi Compute Module 4, Only CM4-IO-BASE-B Base Board Included I am the Raspberry Pi Compute Module 4 basic expansion boardGearwell Gearwell Remote IO Module, Data Acquisition Controller, Digital Input Output Module, 16 in 16 Out Transistor PLC Expansi 16 INPUT 16 OUTPUT: Remote IO data acquisition module, 16 channels input and 16 channels output, with stable performanceVKLSVAN VKLSVAN 3PCS DFPlayer Mini MP3 Player Board Module MP3 Voice Decode Board Support TF Card U-Disk IO/Serial Port/AD Audio This is a MP3 Player Audio Voice Module, can be connected directly to the speaker.Playing specified music and functionsEC Buying EC 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 continuLNAUIDB for CA2-IO8R-A Remote IO Module - 8 Digital Inputs & Analog Outputs, Versatile Communication & Control Versatile 8 in 8 out configuration: 8 digital inputs and 8 analog outputs for flexible control in industrial applicationQWUUYEC Ethernet Remote IO Module 16 Way DO, Modbus RTU Network IO Controller, Metal Enclosure IP30 - Industrial Grade Communica [Protocol Compatibility]: Supports Standard Modbus , Modbus RTU over , and Protocol ensuring seamless industrial communiVGOL VGOL High Power MOS FET Trigger Switch Drive Module 0-20KHz PWM Electronic Switch Control Board DC 5V-36V 400W 10Pcs Using dual MOS parallel active output, lower internal resistance, larger current and strong power.Lrocaoai 2X 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)NooElec Nooelec 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-CQWUUYEC Ethernet Remote IO Module 16 Way DO, Modbus RTU Network IO Controller, Metal Enclosure IP30 - Industrial Grade Communica [Protocol Compatibility]: Supports Standard Modbus , Modbus RTU over , and Protocol ensuring seamless industrial communiDIANN DIANN 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-5VNooElec Nooelec 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-CaQalvona M420T Ethernet Remote IO Module 16 Way DO to for Modbus TCP RTU Analog Input Network IO Controller (0-5V) [Protocol Compatibility]: Supports Modbus , Modbus RTU over , and protocols ensuring versatile and reliable network commVoniecop Voniecop 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 CommandsQalvona M420T Ethernet Remote IO Module 16 Way DO to for Modbus TCP RTU Analog Input Network IO Controller (4-20mA) [Protocol Compatibility]: Supports Modbus , Modbus RTU over , and protocols ensuring versatile and reliable network commeiuie TU842 3BSE020850R1 IO Module 🔎Mfr. Part #: TU842 3BSE020850R1(Used)Rakstore Rakstore 1.8 inch TFT Module LCD Display Module with PCB backplane SPI Serial Port 4 IO Display color: 16BIT RGB 65K color；Resolution: 128*160 (Pixel)LNAUIDB for PN1-IO16T Remote IO Communication Module - 16 Digital Inputs & Outputs, Transistor, Single Network Port for PN Bus E High-performance PN1-IO16T Remote IO Communication Module designed for seamless integration into industrial automation sLNAUIDB for PN1-IO8R-A Remote IO Communication Module - 8 Digital Inputs & Outputs, 6 Analog & 2, PN Bus Expansion, Single Netwo Enhance your industrial automation with the PN1-IO8R-A Remote IO Communication Module, featuring 8 digital inputs and ouLNAUIDB for MODBUS-I32 Module - 32 Digital Inputs MODBUS RTU Communication IO Expansion for Enhanced Data Acquisition High-performance MODBUS-I32 module designed for seamless MODBUS RTU communication and data acquisition.LNAUIDB for MODBUS-O16R Module - MODBUS RTU Communication IO Expansion Acquisition with 16-Way Digital Output Enhance your automation projects with the MODBUS-O16R module, featuring 16 digital output relays for efficient control.CHICIRIS CHICIRIS 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.Afypnisi Mini Base Board (B) for Raspberry Pi Compute Module 5, CM5-IO-BASE-B with EEPROM and Encryption Chip, Compact Carrier Bo 🖥️ Designed for Raspberry Pi Compute Module 5: This mini base board is built to fits Raspberry Pi CM5 Lite and eMMC modLNAUIDB for MODBUS-IO16T Module - 16 Digital Inputs and Outputs MODBUS RTU Communication IO Expansion Enhance your automation projects with the MODBUS-IO16T module featuring 16 digital inputs and 16 output transistors forLNAUIDB for MODBUS-IO16R Module - 16 Digital Inputs & Outputs, MODBUS RTU Communication IO Expansion Seamless integration with MODBUS RTU for efficient communication and control in industrial automation systems.LNAUIDB for MODBUS-IO16R Module - 16 Digital Inputs & Outputs, MODBUS RTU Communication IO Expansion Seamless integration with MODBUS RTU for efficient communication and control in industrial automation systems.Lrocaoai 4X 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)Waveshare Waveshare Metal Box (A) for Raspberry Pi Compute Module 4 IO Board with Cooling Fan Designed For Raspberry Pi Compute Module 4 IO BoardLNAUIDB for EC2-IO16R EtherCAT Remote IO Module - 16-Way for Distributed Digital and Analog Acquisition High-performance EC2-IO16R EtherCAT Remote IO Module designed for seamless integration in industrial automation systems.Pqredg Pqredg 3Pcs OV9732 100 Degrees 1280x720 30fps Camera Module for Autodarts Io with 1M Cable,PCB Size:32x32mm, Camera Modu Versatile and User-Friendly: The OV9732 camera module is not just limited to for autodarts io scoring systems; it can beLNAUIDB for EC2-IO16T EtherCAT Remote IO Module - 16-Way Transistor Digital and Analog Acquisition Expansion High-performance EC2-IO16T module designed for seamless integration in EtherCAT networks, enhancing your automation systAuoeer PCF8574 PCF8574T Module IO Extension I/O I2C Converter Board for - Products That Work with Official for Boards I/O expansion module based on I2C interface, can expand 8 I/Os with 2 I/Os (more than 8 PCF8574 can be used simultaneouseiuie CC-Link IO Module AJ65SBTB2-8D Waveshare Waveshare CM4-IO-BASE-BOX-A for Raspberry Pi Compute Module 4 Bundle with USB HDMI Adapter (10 items) Mini-Computer Based On CM4 Designed for Raspberry Pi Compute Module 4Aihasd Aihasd Nextion LCD Display IO Adapter for All Nextion Enhanced HMI LED Module GPIOs I/O Extended The Nextion IO adapter is specifically designed to work with the Nextion Enhanced HMI Display Series, which covers standWaveshare Waveshare Mini Base Board (B), Compatible with Raspberry Pi Compute Module 5, Onboard EEPROM and Encryption Chip 8GB RAM, 16GB eMMC Flash, with W-Fi;Rich WiKi Resources: We provide official Wiki resources, please contact us for moreLNAUIDB for EC2-IO8R-A EtherCAT Remote IO Module - 8-Way for Digital and Analog Acquisition Expansion Enhance your automation system with the EC2-IO8R-A EtherCAT Remote IO Module, designed for seamless digital and analog sLNAUIDB for MODBUS-O32T Module - Digital 32 Output Transistor for MODBUS RTU Communication IO Expansion High-performance MODBUS-O32T module designed for seamless MODBUS RTU communication and control.eiuie IO-Module 6ES7322-1HF01-4AA2S7-300 PLC Module 6ES7 322-1HF01-4AA2 MiiElAOD RPi Compute Module 4 IO Board, Support Multiple Functional interfaces PCIE Slot Package: 1PCS* Compute Module 4 IO Boardeiuie IO-Module 6ES7321-1BH50-4AA2 S7-300 PLC Module 6ES7 321-1BH50-4AA2 🔎Model No:6ES7321-1BH50-4AA2Waveshare Waveshare CM5 IO Board Metal Case, Compatible with Raspberry Pi Official Compute Module 5 IO Board, Comes with Cooling F Designed for Raspberry Pi official Compute Module 5 IO Board; Mini computer chassis, robust and nice lookingeiuie IO-Module 6ES7321-1BL00-4AA1S7-300 PLC Module 6ES7 321-1BL00-4AA1 eiuie Discrete IO Module 170ADM39030 PLC Module 170-ADM-390-30