1 Channel Way AC 220V Optocoupler Isolation Module Voltage Detect Testing Board 3-5V For PLC Microcontroller TTL Level 1-Bit

-9%

1pcs 1-bit ac 220v optocoupler isolation module testing board adaptive for plc

1

0

-4%

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1

0

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0

0

-1%

5pcs 5v relay isolation control board low voltage high voltage 1 optocoupler isolation module

0

0

5v 2 way channel relay module high and low level trigger relay control with optocoupler isolation

1

1

Ac-dc power module 5v/12v 5w dual full isolation ac dc switch power supply module step down buck converter 220v to 5v 12v

1

1

-0.4%

Thinary electronic 5v 30a two-way isolation relay module high/low level trigger 5v 30a 1-channel relay module

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0

-2%

1pcs dc 5v/12v/24v 1 channel relay module low level for arduino with optocoupler isolation 5v relay module development board

1

1

-0.9%

Pc817 pc 817 driver photoelectric isolated module 4 channel optocoupler isolation board voltage converter adapter module 3.6-30v

1

5

Dc 12v 1 channel optocoupler isolation module pc817 el817 plc processors isolated for drive motor inverter

1

1

-11%

Ac 220v 4000w scr voltage regulator dimmer motor speed controller module temperature control thermostat dimer 220v power supply

2

5

5.0

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0

0

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1

1

5.0

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5pcs 5v one 1 channel 1ch low level trigger relay module interface shield board for arduino pic avr dsp arm mcu dc ac 220v

0

4

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Diymore ac-dc 5v 600ma 3w isolated switching power supply module 220v to 5v buck step down module voltage regulator for arduino

2

1

-1%

1 2 4 8 16 channel dc 5v relay module with optocoupler low level trigger expansion board for arduino

0

0

-3%

1-way (one channel) relay module 5v with optocoupler isolation supports low-level trigger switch with indicator

0

0

-6%

Mini mono single channel transmitter board fm wireless transmitter microphone module serial port control dc 3v-5v 76m-108mhz

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0

-1%

1 2 4 8 16 channel dc 5v relay module with optocoupler low level trigger expansion board for arduino

0

4

-4%

4 channel way iic i2c logic level converter 5v to 3.3v 3.3v-5v bi-directional conversion board module uart spi ttl for arduino

0

3