BestDealPlus
  1. Home
  2. Security & Protection
  3. Building Automation
DC7-28/5V Power Supply WIFI Bluetooth 2-Channel 30A Relay Module Development Board ESP32 Secondary Development
DC7-28/5V Power Supply WIFI Bluetooth 2-Channel 30A Relay Module Development Board ESP32 Secondary Development
DC7-28/5V Power Supply WIFI Bluetooth 2-Channel 30A Relay Module Development Board ESP32 Secondary Development
DC7-28/5V Power Supply WIFI Bluetooth 2-Channel 30A Relay Module Development Board ESP32 Secondary Development
DC7-28/5V Power Supply WIFI Bluetooth 2-Channel 30A Relay Module Development Board ESP32 Secondary Development
DC7-28/5V Power Supply WIFI Bluetooth 2-Channel 30A Relay Module Development Board ESP32 Secondary Development

DC7-28/5V Power Supply WIFI Bluetooth 2-Channel 30A Relay Module Development Board ESP32 Secondary Development

(5.0)
US $ 16.78    38% off
US $ 10.40
In Stock
FREE SHIPPING WORLDWIDE
 View More  Shop Now

Cheap And Discounts DC7-28/5V Power Supply WIFI Bluetooth 2-Channel 30A Relay Module Development Board ESP32 Secondary Development Wholesale. Buy Directly From Merchant NEWLIFE Appliances DROPSHIPPING Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.

Recommends

1Pcs New DN8 DN10 DN15 DN20 DN25 DN32 DN40 Three-Piece Pneumatic Ball Valve With High Platform 304 Double Acting Cylinder
US $ 55.30
US $ 92.17
-40%
(5.0)
N82R 1GB DDR1 Laptop Memory Ram SO-DIMM 200PIN DDR333 PC 2700 333MHz for Notebook Sodimm Memoria
US $ 4.26
US $ 6.45
-34%
(5.0)
HOT
Tuya Smart Home System Siren with Temperature and Humidity Sensor 90dB Loud Alarm Support USB Power Supply Power-off Memory
US $ 37.13
US $ 74.26
-50%
(5.0)
HOT
HLK-LD2410B Test Kit A LD2410B FMCW 24G Smart Human Presence Status Sensing Radar Heartbeat Detection Sensor Module HLK-LD2410B
US $ 2.63
(5.0)
eWelink APP Wifi Water Valve Smart Timer Open Shutoff Automated Ball Valve Intelligent Remote Control Support Alexa Google Home
US $ 41.33
(5.0)
HOT
Internet of Things 860Mhz~960Mhz UHF Reader Module Multiple Channels Ports for Warehouse Management
US $ 35.22
(5.0)
HOT
2-branch Hall water flow sensor small intelligent toilet water purifier flow meter pulse signal output high and low levels
US $ 23.66
(5.0)
6MM Diameter PC Room Usage 2 Pins Non-location Water Leakage Detection Alarm Sensing Cable with Male Connector
US $ 122.00
(5.0)
HOT
Hands-free Vioce Control Tuya Intelligent ZigBee Radiator Actuator TRV Programmable Thermostatic Temperature Control Valve
US $ 34.34
US $ 68.68
-50%
(5.0)
HOT
12V 40A Relay 1A 38.5g $0.49 With Diode
US $ 374.67
(5.0)
HOT
G2 G3 G3P G4 Bluetooth Wifi Gateway Hub of TTLOCK for Smart Home Door Locks Bridge TT Ttlock App Control Electric Smart Lock Hub
US $ 15.12
US $ 21.60
-30%
(5.0)
HOT
IMOU WiFi Smart Zigebee 3.0 Temperature and Humidity Sensor LCD Screen History Record Smart Home Security Remote Control
US $ 17.14
US $ 32.96
-48%
(3.0)
HOT
Intelligent WIFI USB Battery Siren Sensor Graffiti Audible and Visual Trigger Alarm Remote App Control Horn Ringtone Optional
US $ 25.12
US $ 50.24
-50%
(5.0)
2 Wire 6mm Diameter Underfloor Water Leakage Detection Alarm System Leak Detector Sensor Cable
US $ 120.00
(5.0)
HOT
water flow sensor flow valve 4-tap food grade flow meter miniature high-precision coffee dispense water heater water purifier
US $ 20.04
US $ 29.48
-32%
(5.0)
HOT
About this item DETECTION: High-performance analysis chip is used to accu ely capture the weak current gene ed during the electr
US $ 21.57
US $ 35.95
-40%
(5.0)
HOT
GIRIER Tuya ZigBee Water Leak Sensor Smart Leakage Detector Alarm for Smart Home Security IP66 Waterproof Support Home Assistant
US $ 6.30
US $ 6.80
-7%
(4.8)
A73T Fuel Pump Suction Control Valve Kit SCV 55493549 55593780 For Colorado GM CC Canyonn 2.8L L4 Autoparts SCV
US $ 30.86
US $ 62.98
-51%
(5.0)
Building Modbus to BACnet/IP BACnet MS/TP to PLC DDC Converter BMS Gateway
US $ 63.89
(5.0)
1PCS NEW FOR 1109-021-188 CNC High Speed Coolant Rotary Joint
US $ 190.47
US $ 317.45
-40%
(5.0)
HOT
PUSR USR-M300 High Performance Edge Computing Industrial IoT Gateway Protocol Conversion NodeRED Development Gateway Expander IO
US $ 171.00
US $ 180.00
-5%
(2.5)
Tuya Zigbee Automatic Gas Water Heater Valve Controller Smart Home Remote Control Manipulator Work With Alexa Google Home
US $ 23.06
US $ 46.12
-50%
(4.9)
HOT
Tuya Smart ZigBee / WiFi Temperature And Humidity Sensor Home Indoor Hygrometer Thermometer Smart Life App Via Alexa Google Home
US $ 5.68
(5.0)
HOT
TTL to IR near Infrared optical Adapter for kWh Meter IEC62056 DLMS STS Meter Gas Meter Water Meter Read out
US $ 22.20
US $ 36.39
-39%
(5.0)
HOT
Stair sensor light with wireless self-adhesive 220v person walking light off hand sweep dual control
US $ 6.36
(5.0)
HOT
Intelligent Graffiti Wide Angle Probe Tuya Human Infrared Real-time Detection Zigbee PIR Motion Sensor Alarm Push Movement
US $ 21.18
US $ 42.36
-50%
(5.0)
HOT
Meian Tuya Zigbee Gateway Multi-Mode Zigbee 3.0 Hub Wifi Bluetooth Gateway Linkage with Water Leak Sensor Door Sensor Smart Home
US $ 7.13
(4.8)
HOT
Online thermometer Temperature sensor Probe transmitter Non-contact digital display Industrial high precision
US $ 71.89
(5.0)
HOT
Tuya Water Leak Sensor Smart Home ZigBee Tuya Water Leak Detector m2qtt Waterproof Smart Life Security Protection Remote App
US $ 5.63
US $ 5.87
-4%
(4.7)
New-200 Pcs 304 Stainless Steel Grub Screws Hex Socket & 280 Pcs Spring Pin Tension Elastic Cylindrical Cotter Pins
US $ 16.63
US $ 31.99
-48%
(5.0)
HOT
TA601A Laser Positioning Electronic Thermometer Infrared Thermometer Gun Warning Lamp Sound Prompt Large Temperature Range
US $ 27.83
US $ 55.66
-50%
(5.0)
HOT
UNIVO UBCZ-1000 oil hydraulic cylinder water level and mechanical liquid level transmitters Magnetic displacement sensors
US $ 907.22
(5.0)
HOT
MOES ZigBee Fingerbot,Ultimate Smart Home Assistant!Automated Button Push,Voice Control with Alexa Google Home,Tuya Smart Life
US $ 5.99
US $ 8.56
-30%
(3.7)
HOT
Taidacent 5PCS FS IR02 FS-IR02 Optical Infrared Water Liquid Level Sensor Stainless Steel Tank Wired Water Leak Detector
US $ 25.58
(5.0)
HOT
EU Plug Smart GSM Power Outlet Plug Socket with Temperature Sensor SMS Command Control , Power SMS Feedback when power off
US $ 32.19
US $ 45.99
-30%
(5.0)
HOT
Tuya WIFI Wireless Intelligent Water Floor Heating Wall Mounted Furnace Temperature Controller APP Voice Control Programming
US $ 49.96
US $ 99.92
-50%
(5.0)
HOT
Gsm Relay 4G 30A Smart Switch with Temperature Sensor Power Off Alarm SIM SMS Call APP Remote Control Conditioner Heater Boiler
US $ 51.85
US $ 105.81
-51%
(5.0)
For HIWIN EGH25SA EGH15CA EGH15SA EGH20CA EGH25CA EGH30CA Linear Guide Slider
US $ 27.63
US $ 46.06
-40%
(5.0)
HOT
Taidacent 1CH 12V Bluetooth-compatible Relay Switch Module BLE Switch Controller Android IOS Mobile Phone APP Control
US $ 10.78
(5.0)
HOT
24-Hour Delivery 0-99999.9 Ohm Simple Resistance Box Precision Variable Decade Resistor Teaching Instrument Teaching Resistance
US $ 16.49
US $ 34.36
-52%
(5.0)
N82R One Hand Wireless Gaming Keyboard RGB Backlit Portable Mini Keyboard Game Controller for PC PS4 Xbox Gamer
US $ 20.12
US $ 30.48
-34%
(5.0)
HOT
Ceiling/Wall Mounted USB Wireless Human Breathing Radar Detection Graffiti ZigBee Human Presence Sensor App Remote Control
US $ 34.97
US $ 69.95
-50%
(5.0)
HOT
MOES Smart ZigBee Soil Temperature Meter Moisture Humidity Sensor Plant Monitor Detector Garden Automation Irrigation
US $ 14.85
US $ 22.84
-35%
(5.0)
HOT
Hydrogen H2 Membapor Gas Sensor Detector 10000 ppm Toxic Gas Electrochemical Medical Environmental ing Slim
US $ 550.88
(5.0)
HOT
Waterproof Ultrasonic Water Level Gauge Water Tank Water Level Detection High/low Water Level Alarm Remote Display Display
US $ 35.33
US $ 70.66
-50%
(5.0)
HOT
16A Mini Smart Wifi DIY Switch Supports 2 Way Control, Smart Home Universal Module, Works with Alexa Google Home Smart Life App
US $ 11.62
(5.0)
HOT
Tuya-Zigbee Temperature and Humidity Sensor with Backlight, Thermometer, Hygrometer, Monitoring for Alexa, Google Home, WiFi
US $ 15.05
(5.0)
HOT
Smart LCD Egg Incubator - Auto Egg Turner, Temp & Humidity Control for Chicken/Duck/Goose/Pigeon Eggs, Heating & Humidification
US $ 15.88
US $ 31.76
-50%
(5.0)