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Industrial 6-Channel ESP32-S3 WiFi Relay Module for WiFi/Bluetooth/RS485 Control, Onboard RS485 / Pico HAT Interfaces, with Multiple Isolation Protection Circuits @(ESP32-S3-Relay-6CH)

Model #: XMCH729-C6T1482

$112^.44 –
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AJMRTC CLT 5.8GHz Microwave Radar Sensor Module, Strong Anti-Jamming Motion Detector Trigger Switch, 6-9m Detection Distance DC 3.3-20V, for Smart Home Automation, Lighting Control DIY Projects

Model #: AJ-JY00320

$13^.15 –
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AJMRTC Microwave Radar Sensor Module, DC 5.5V-15V Power Supply Motion Detection Radar Sensing Board for T8 Semi-Aluminum Plastic Tube Light, LED Lighting Control & Automatic Sensor Projects

Model #: AJ-JY0046

$11^.79 –
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AJMRTC QRE1113 Infrared Reflective Sensor Module, 3.3V-5V Non-contact IR Reflection Detector, Line Tracking Proximity Sensor Board for Arduino Raspberry Pi DIY Circuit Robot Projects

Model #: AJ-JY00431

$12^.43 –
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AJMRTC 5 Channel Flame Sensor Module, Analog & Digital Dual Output Fire Detection Sensor, Infrared Flame Detector Board for Fire Alarm, Fire Fighting Robot, Arduino STM32 DIY Electronic Projects

Model #: AJ-JY00309

$12^.20 –
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AJMRTC 2Pcs Infrared Reflective Sensor Module, IR Photoelectric Reflectance Detector, Obstacle Avoidance Line Tracking Sensor for Arduino ESP32 STM32, Robot & Electronic DIY Projects

Model #: AJ-JY00677

$22^.43 –
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AJMRTC Single Axis Solar Tracking Module, Automatic Sun Tracker Board, Solar-Powered Light Searching Sensor Module for Solar Panel Position Adjustment and Renewable Energy DIY Projects

Model #: AJ-JY00236

$14^.38 –
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AJMRTC BME280 Environmental Sensor Module, Digital Temperature Humidity Barometric Pressure Sensor Breakout Board for Weather Monitoring IoT Embedded Arduino DIY Projects

Model #: AJ*C8JM*U3550

$36^.20 –
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AJMRTC BME680 4 in 1 Environmental Sensor Module, Digital Temperature Humidity Barometric Pressure VOC Gas High Accuracy Altitude Sensor, I2C SPI Interface for Arduino Raspberry Pi IoT Weather Station

Model #: AJM-C8JM0C821

$18^.99 –
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AJMRTC TOF MINI Laser TimeofFlight Range Finder Sensor, UART Distance Measurement Module with OnBoard Controller, Mini LiDAR Unit for Arduino ESP32 Raspberry Pi Robot ObstacleAvoidance DIY Project

Model #: AJ*C8JM*U3342

$34^.04 –
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AJMRTC 10PCS RPR220 Reflective Optical Coupling Sensor, Optoelectronic Switch IR Photoelectric Detector for Object Detection, Line Tracking and Electronic DIY Projects

Model #: AJ-JY00616

$11^.79 –
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AJMRTC CLT Clap-Activated Sound Sensor Switch Kit, DIY Acoustic Control Module with Integrated PCB Board, Sound Trigger Switch Electronic Kit for Maker Learning and DIY Electronic Projects

Model #: AJ-JY00457

$11^.79 –
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AJMRTC R60ABD1 60G Millimeter Wave Radar Sensor Module, Non-Contact Biosensing Detector for Respiratory Sleep Monitoring, Real-Time Breathing & Heartbeat Wave Detection, IoT Human Vital Signs Sensing

Model #: AJM-C8JM0C1194

$23^.15 –
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AJMRTC High Sensitivity CLT Non-Contact Detection Sensor Kit, 1PC 3V-5V Wide Voltage 60mm Sensing Distance DIY Sensor Board for Electronic Experiments and Circuit Projects

Model #: AJ-JY00477

$11^.79 –
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Waveshare Sense HAT (B) for Raspberry Pi Onboard Multi Powerful Sensors Supports External Sensors

Model #: 9435761176014

$48^.89 –
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AJMRTC 10PCS SW-520D Vibration Sensor Module, 1.2V-5.0V Wide Voltage Tilt Shake Switch, Trigger Detection Board for Arduino ESP32 DIY Electronic Projects

Model #: AJ-JY00371

$12^.53 –
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AJMRTC BME280 Environmental Sensor Module, Digital Temperature Humidity Barometric Pressure Sensor, High Precision Weather Sensor I2C SPI Interface for Arduino Raspberry Pi IoT Weather Monitoring DIY

Model #: AJ-JY00881

$24^.17 –
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AJMRTC F233-01 4 Channel Infrared Tracking Sensor Module, Four-Way Line Tracking & Obstacle Avoidance Sensor for Smart Robot Car, Path Tracing Detector Module for Arduino DIY Robotics Project

Model #: AJ-JY00491

$12^.43 –
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AJMRTC TOF MINI Laser Range Sensor Module, Builtin Controller & Ranging Algorithm, TimeofFlight (TOF) Technology HighPrecision Distance Measuring Unit for Robot Obstacle Avoidance & DIY Embedded

Model #: AJ*C8JM*U3385

$32^.80 –
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AJMRTC LM386 Audio Power Amplifier & Sound Detection Sensor Module, 3.3V-5.3V Voice Sensor Board, Sound Detector with Amplification for Ambient Sound Monitoring, Arduino Raspberry Pi & Electronic DIY

Model #: AJ-JY0083

$11^.79 –
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AJMRTC AS5600 Magnetic Encoder Sensor Module, 12 Bit High Precision Magnetic Induction Angle Measurement Sensor, Non-Contact Rotation Position Detector Compatible with Arduino

Model #: AJ-JY00341

$11^.79 –
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AJMRTC 1pcs HW-MS07 Microwave Radar Sensor Module, Human Body Induction Switch, Microwave Motion Detector for Automatic Light Control, Security Alarm and Electronic DIY Projects

Model #: AJ-JY00555

$11^.79 –
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AJMRTC EGBO Rain Sensor Module 1PC, Weather Humidity Detector, Rainfall Detection Board with Analog & Digital Output, Compatible with Arduino ESP32 for Relay Control, Weather Monitoring DIY Projects

Model #: AJ-JY00260

$12^.68 –
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AJMRTC MCU-30105 MAX30105 Optical Sensor Module DC 5V, Smoke Particle and Flame Detection Breakout Board for Arduino STM32 Microcontroller Electronic DIY Projects

Model #: AJ-JY00406

$11^.79 –
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AJMRTC RCWL-1670 Waterproof Split Ultrasonic Ranging Module, 2cm to 400cm Detection Distance DC3-5V Ultrasonic Distance Sensor, Non-Contact Detector for Water Level Measurement, Liquid Height Monitori

Model #: AJM-C8JM0C719

$16^.72 –
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AJMRTC 5PCS/LOT RCWL-0516 Microwave Radar Sensor Module, Human Body Induction Switch Intelligent Motion Detector, Non-contact Doppler Radar Breakout Board for Arduino Auto Light Security Project

Model #: AJ-JY00359

$11^.79 –
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AJMRTC Microwave Radar Body Induction Solar LED Driver Controller Board, 3.2V 3.7V Solar Wall Light Switch Circuit Board with Remote Control for Solar Street Lamp & Outdoor Light DIY Projects

Model #: AJ-JY00283

$11^.79 –
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Infrared transmitting Module/Infrared Digital 2-Channel Infrared Receiving Sensor Module

Model #: C745-LUOYIMAN-Lsy729-037

$28^.99 –
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Serial to WiFi Ethernet Wireless Converter RS232 RS485 Serial Server(USR-W610)

Model #: 20260812ZP209C5JS

$98^.93 –
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Volume Discounts:$97.33 - $98.93

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Industrial 8-Channel ESP32-S3 WiFi Relay Module, Built-in Xtensa 32-bit LX7 Dual-core Processor, Onboard Isolated RS485 Interface @(ESP32-S3-ETH-8DI-8RO)

Model #: XMCH729-C6T1173

$184^.44 –
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12V Dual Way Bluetooth Relay Module 12V 10A Wireless Smart Relay Module IoT Smart Home Phone APP Remote Control Switch

Model #: ZP0811ZP.2026113

$16^.73 –
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5Pcs ESP-01M Wireless Module ESP8285 Serial Port to WiFi Module IOT ESP-01M WiFi Module Double-Sided in-line

Model #: ZP0811ZP.2026222

$20^.81 –
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Volume Discounts:$19.21 - $20.81

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ESP8266 5V 30A Relay Module, 2 Channel ESP-12F Development Board for Smart Home IoT, DC7-80V Power Supply

Model #: ZP0811ZP.2026189

$19^.56 –
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Volume Discounts:$17.96 - $19.56

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5V Multi-Mode Time Delay Relay Module, Adjustable Delay Timer, for Automation Home Appliances DIY Projects

Model #: ZP0811ZP.2026405

$16^.46 –
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Volume Discounts:$14.86 - $16.46

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Modbus RTU 4 Channel Relay Module with RS485/TTL UART, 1 Input 1 Output, 7-24V Anti-Reverse Protection for Industrial Home Automation

Model #: ZP0811ZP.202679

$16^.46 –
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Volume Discounts:$14.86 - $16.46

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ESP8266 Dual Relay Module, 2 Channel 10A ESP-12F Development Board for Smart Home IoT, 5V/8-80V Power Supply

Model #: ZP0811ZP.2026187

$17^.66 –
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Volume Discounts:$16.06 - $17.66

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