R414A01 DC 5V-23V RS485 Modbus Rtu Temperature & humidity sensor Remote acquisition monitor replace DHT11 DHT22 DS18B20 PT100

Dykb temperature humidity sensor module rs485 modbus rtu indoor/outdoor farm thermometer monitor replace dht11 dht22 ds18b20

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0

-2%

Dc 5v 12v 24v rs485 rs232 ttl modbus rtu ntc thermistor temperature sensor remote acquisition monitor module b3950 10k 1%

2

2

5.0

-4%

Dc 12v 24v 32-channels din35 c45 rail box rs485 modbus rtu uln2803a darlington transistor controller plc io expansion board

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5

5.0

-4%

Dc 5v/12v/24v 2 channel rs485 relay modbus rtu plc module

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1

5.0

4pcs multifunction rs485 ttl232 modbus rtu module npn pnp io control switch for 16ch 5v 12v 24v relay board plc

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4

5.0

-4%

8 channel dc 12v rs485 relay module modbus rtu 485 remote control switch for plc ptz camera security monitoring

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1

-6%

1 pcs 8 channel dc 12v rs485 relay module modbus rtu 485 remote control switch for plc ptz camera security monitoring

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0

-3%

16ch dc 12v rs-485 modbus rtu relay board rs485 bus remote control switch for led motor plc ptz camera smart home

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1

-6%

1 pcs 16ch dc 12v rs-485 modbus rtu relay board rs485 bus remote control switch for led motor plc ptz camera smart home

2

2

5.0

Dc 5v 12v 24v multifunction delay relay time switch turn on/off plc module

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0

R421c32 dc 12v 32 channels rs485 delay relay module rtu protocol serial port remote control switch plc control board

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0

-7%

Rsds13 rs485 temperature and humidity transmitter module temperature and humidity acquisition monitoring sensor modbus-rtu

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0

Sht20 sensor module temperature humidity transmitter detection sensor rs485 signal analog output modbus rtu acquisition module

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1

Dc 12v din35 c45 rail box 16 channel rs485 relay module modbus rtu uart control switch board for plc ptz camera motor led

1

2

5.0

Dc 12v 8 channel rs485 relay command programmable control module board assortment

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1

-4%

Intelligent temperature humidity transmitter rs485 serial communication high precision modbus rtu acquisition module transducer

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0

New 10pcs dht22 digital temperature and humidity sensor temperature and humidity module am2302 replace sht11 sht15 for arduino

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1

Incomplete data

Dc 12v 24v 32-channels din35 c45 rail box rs485 modbus rtu uln2803a darlington transistor controller plc io expansion board

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0

-3%

Ds18b20 rs485 rs232 ttl com uart temperature acquisition sensor modbus rtu module 5v 12v for uno r3 pc plc mcu serial port

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0

Digital temperature and humidity sensor w/ case cable dc 2.1 -3.6v -40~125celsius replace dht11 dht22 am2302 0~100%rh

2

3

-7%

Incomplete data

Dht22 digital temperature humidity sensor module am2302 temperature humidity monitor sensor for arduino replace sht11 sht15

0

1

-14%

Modbus rtu 2-way relay module channel switch ttl/ rs485 communication interface relay 2 relay indicator 12v output 2 input dc

1

1

1.0

Hr202 dc 5v 1 channel 1ch humidity sensitive switch relay module humidity controller humidity sensor module controller

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1

Incomplete data

8 channel dc 12v rs485 relay module modbus rtu 485 remote control switch for plc ptz camera security monitoring

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1

Ce035_s with shell 2ch rs485 relay dc 12v switch board modbus poll at command plc for ptz camera electric door water pumps led

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1

-3%

Incomplete data

Dht22 digital temperature humidity sensor module am2302 temperature humidity monitor sensor for arduino replace sht11 sht15

1

0

-2%

3pcs/set dc 5v rain water sensor relay control modules rain weather sensor humidity water raindrops detection for arduino

0

1

-4%

Incomplete data

Dht22 digital temperature humidity sensor module am2302 temperature humidity monitor sensor for arduino replace sht11 sht15

1

0

Dc 5v/12v adjustable ne555 delay timer time relay switch module led display timing delay module switch control clock board

1

0

-15%

Dc 6-24v rs485 rs232 (ttl) rtu control switch board uart plc programmable logic controller relay module support for modbus / at

1

1

5v humidity sensor module sha8c01 rs485 temperature humidity sensor module smart modbus rtu electronic components

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0

Sht20 temperature humidity sensor probe rs485 communication modbus protocol temperature humidity monitor transmitter sensor

1

2

5.0

5pcs dc 12v 10a magnetic latching relay bistable self-locking board low pulse trigger switch module

2

3

Ddc-431 delay controller led light digital time delay relay trigger cycle timer delay switch timing control module dc 5v 12v 24v

2

4

5.0

Dc 5v 12v 1 channel relay module infrared ir remote switch control 1 ch relay driving board controller for electronic

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1

5.0

-4%

Dc 5v 12v 1 channel relay module infrared ir wireless remote switch control relay driving board controller for electronic diy

2

8

Dc 5v 12v light photoswitch sensor switch ldr photoresistor relay module light detection photosensitive sensor board

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6

5.0

Dc 5-30v time delay relays 5v 12v 24v high and low level trigger switch cycle timing delay relay module ttl serial communication

1

1

5.0

Incomplete data

5 way sht10 sht20 temperature and humidity sensor rs485 multi-channel acquisition module sm1610b genuine switch

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0

-0.5%

Small temperature and humidity sensor temperature sensor rs485 temperature and humidity transmitter 0-10v/0-5v

1

3

4.0

-6%

Zk-ktd2 5a 5v 12v 24v fully compatible delay relay module trigger cycle timing industrial anti-overshoot

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1

-3%

Dc 12v 8 channel rs485/ttl relay module modbus rtu uart remote control switch din35 c45 rail box for plc ptz camera security

1

0

-6%

Dc 5v 12v ne555 timer switch adjustable controller module time delay relay module delay relay shield 0~10s

1

1

5.0

-6%

Lcd time relay motor motor forward reverse timing 10a cw/ccw controller timing switch 0.1s-99h 12v ac/dc

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1

1 channel relay module dc 5v 9v 12v 24v high low level trigger switch relay with optocoupler

1

1