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"emf meter"
5V Multi-Mode Time Delay Relay Module, Adjustable Delay Timer, for Automation Home Appliances DIY Projects
Limited time offer, ends 11/08
$16.46
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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
Limited time offer, ends 11/25
$10.54
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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
Limited time offer, ends 11/25
$13.13
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AJMRTC ENS160+AHT21 Air Quality Sensor Module, Detect eCO2, TVOC, Temperature & Humidity, I2C SPI Digital Output IAQ Monitoring Module for Smart Home HVAC IoT Environmental Monitoring Project
Limited time offer, ends 11/25
$14.68
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AJMRTC Corrosion Resistant Soil Moisture Humidity Sensor Module, Analog Capacitive Soil Detector Probe for Arduino Raspberry Pi DIY Gardening Irrigation Monitoring Projects
Limited time offer, ends 11/25
$13.19
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5PCS SIP-1A05 Reed Switch Relay 5V SIP-1A05 Reed Relay Switch 4 Pins DC Resistance 450~550ohm Normally Open 1A Relay Module
Limited time offer, ends 11/08
$15.14
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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
Limited time offer, ends 11/25
$11.18
Free Shipping
5V1A Wireless Power Transfer Module Wireless Charging Transmitter Receiver Inductive Coil Circuit Board Module Fun DIY Kit
Limited time offer, ends 11/08
$16.93
Free Shipping
AJMRTC BMM150 3Axis Magnetometer Sensor Module, Digital Compass Sensor for Precise Magnetic Field Measurement, HighSensitivity Electronic Component for DIY Projects & Navigation Development
Limited time offer, ends 11/25
$31.30
Free Shipping
AJMRTC TDS Sensor Meter V1.0 Module, Water Quality Tester Board, Total Dissolved Solids Detection Filter Measuring Sensor for Arduino UNO R3, Water Purifier Monitoring, Aquarium DIY Projects
Limited time offer, ends 11/25
$12.26
Free Shipping
AJMRTC Rain Snowdrop Detection Sensor Module, Rain Weather Humidity Sensor Module, Rain Water Detector Board for Relay Control, Detect Rainfall Snow Water for Weather Monitoring and Automatic
Limited time offer, ends 11/25
$10.54
Free Shipping
ESP8266 Dual Relay Module, 2 Channel 10A ESP-12F Development Board for Smart Home IoT, 5V/8-80V Power Supply
Limited time offer, ends 11/08
$17.66
Free Shipping
AJMRTC TA12-100 AC Current Transformer Sensor Module, 0-5A Measuring Range, 3P/4P Interface Current Transmitter, AC Current Detection Board for Power Monitoring and Circuit Measurement
Limited time offer, ends 11/25
$11.72
Free Shipping
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
Limited time offer, ends 11/25
$10.54
Free Shipping
12V Bluetooth Relay Module - Mobile Phone Wireless Remote Control Switch - IoT
Limited time offer, ends 11/08
$16.73
Free Shipping
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
Limited time offer, ends 11/25
$10.54
Free Shipping
ESP8266 5V 30A Relay Module, 2 Channel ESP-12F Development Board for Smart Home IoT, DC7-80V Power Supply
Limited time offer, ends 11/08
$19.56
Free Shipping
5Pcs ESP-01M Wireless Module ESP8285 Serial Port to WiFi Module IOT ESP-01M WiFi Module Double-Sided in-line
Limited time offer, ends 11/08
$20.81
Free Shipping
AJMRTC TDS Sensor Module V1.0, Water Quality Tester Board, Total Dissolved Solids Meter, Water Filter Measuring Sensor for Arduino Raspberry Pi Aquarium Hydroponics Water Monitoring Projects
Limited time offer, ends 11/25
$10.54
Free Shipping
PAN3029PA+LNA High-Power RF Module ELRS Industrail System for LoRa SX1278/1262 Module Smart Meter Reading System (No Antenna)
Limited time offer, ends 11/08
$23.33
Free Shipping
PAN3029PA+LNA High-Power RF Module ELRS Industrail System for LoRa SX1278/1262 Module Smart Meter Reading System (with Antenna)
Limited time offer, ends 11/08
$29.00
Free Shipping
5GHz22GHz Broadband Passive RF Module MDB-24H+ Double-Balanced Up/Down Mixing RF Converter with 3.5mm SMA Female Connector (MDB-24H+ with Splint SMA)
Limited time offer, ends 11/08
$414.56
Free Shipping
1set SenseCAP S2106 pH Sensor for Smart Farming, Hydroponics and Environment Monitoring, ±0.5°C Accuracy, Support LoRaWAN
Limited time offer, ends 11/08
$448.99
Free Shipping