5PCS/LOT LM393 LM339 Dual voltage comparator Window voltage comparison module With 12v relay module

Lm393 dc 5v 12v 24v 2 channel 2ch voltage comparator stable module 2 voltage comparison board module

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Lm393 dual comparator module / low power low offset voltage dual comparator wide supply voltage

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-0.9%

Lm393 voltage comparator module signal waveform high low level load drive dual channel adjustable potentiometer led indicator

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Ir infrared reflective sensor module with wide range voltage comparator lm393 for stm32 development obstacle avoidance

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5pcs/lot dc 12v rain water sensor module + relay control module

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-5%

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1pcs 5v 4 channel relay module 4-channel relay control board home smart switch with optocoupler output relay module for arduino

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-2%

5pcs/lot lm7660 switch voltage regulator positive voltage reverse voltage reversal module.

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-4%

3pcs 12v relay soil moisture relay module soil moisture sensor control large load lm393 pcb control board soil moisture probe

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-2%

5pcs/lot ne555 timer switch adjustable module time delay relay module dc 12v delay relay shield 0~10s

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-4%

5pcs/lot vehicle relay shield 12v 100a 5 pin waterproof relay module spdt car control auto power supply relay module indicator

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

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-2%

1pcs/lot 8 channel relay module 5v/12v 8-channel relay control board with optocoupler

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10pcs/lot lm2596 dc 5v/12v/24v adjustable voltage regulator lm2596s 3a step-down module

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5pcs dc-dc module car auto 12v to 12v adjustable voltage regulator power supply ultra lm2577

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-0.2%

Free shipping 10pcs/lot savr3825 25a 380vac solid state relay solid state voltage regulator module relay module

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24/15v convert positive and negative 12v voltage regulator module with double filter voltage controller module

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-3%

1pcs/lot lm2596s dc-dc step-down supply module 3a adjustable step-down module lm2596 voltage regulator 24v 12v 5v 3v in stock

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-5%

5pcs/lot super 1000kv high voltage generator/dc3-6v high voltage inverter transformer / pulsed high voltage module

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-0.2%

Free shipping 10pcs/lot 12v relay module expansion borad

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-4%

5pcs/lot dc-dc buck step down voltage regulator mini module 3.3v 5v 6v 9v 12v 3a

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-1%

5pcs/lot with optocoupler 8 channel 8-channel relay modules relay control panel plc relay 5v module

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5pcs/lot lm2596s dc to dc 5v - 36v step down voltage converter adjustable power module with six dip switches

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-0.7%

5pcs/lot 4 channel 5v relay module extension board relay shield v1.3 compatible

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5pcs lm7809 three-terminal stabilizer module 9v stabilized voltage supply module.

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10pcs/lot,1 way 12v relay flame sensor module +fire flame detection fire alarm relay module

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20pcs lm2596 power supply module dc-dc step-down module 5v/12v/24v adjustable voltage regulator 3a

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Voltage sensitive relay automatic charging relay dual battery smart isolator 12v/140a(vsr)with wiring kit by keyline chargers

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-8%

5pcs/lot dc 3.7-7.4v to 1000kv boost step up power module high voltage generator new

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Dc 12v voltage sensitive relay (vsr) automatic charging relay 125a dual battery isolator (vsr) universal

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5pcs/lot 5v 4 channel relay module with optocoupler for arduino pic arm avr dsp

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-57%

5pcs 10pcs b1212s-1wr2 b1212s-1w dc-dc power supply module input 12v dual output 12 new original

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-7%

Hailangniao 5pcs/lot dc 3.7-7.4v to 1000kv boost step up power module high voltage generator new

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-7%

5pcs/lot dc5v 12v 24v 32v wifi switch wireless relay module smart home automation modules app remote control timer switch

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1

[sa]12v1a \ 5v1a fully isolated switching power supply module / ac-dc modules / 220v switch 12v 5v dual output--10pcs/lot

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10pcs/lot thermistor relay control module / / temperature sensor detection/temperature control switch 5v or 12v

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1 piece waterproof automotive relay 12v 5pin 40a car relay 12v 4pin with copper terminal auto relay with relay socket

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-12%

16 way relay module / low level trigger / dual pcb/ bidirectional terminal /5v/12v/24v optional sensor

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0.1s-999h countdown timer programmable cycle control module time dalay relay dual display timer relay 5v/12v/220v

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-7%

1 pcs/lot wa25-220s12h1 ac/dc power module 25w 220 to 12v/25w 25w isolation voltage stabilizer module 100% new original

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5pcs/lot 2-channel new 2 channel relay module relay expansion board 5v low level triggered 2-way relay module for ard uino

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1pcs lm2596s dc-dc step-down power supply module 3a adjustable step-down module lm2596 voltage regulator 24v 12v 5v 3v

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5pcs/lot current-to-voltage converter module 0 ~ 20ma current to 0-5v voltage

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Unisian usb charging power module dual usb output voltage regulator module 5v *3a charging power board for smartphone

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-4%

Free ship 5pcs/lot xk-001t-1 dc12v time relay board count voltage testing cycle time vehicle charging timer protection board

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12v timing delay relay module cycle timer digital led dual display 0-999 minutes

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5pcs/lot 2-channel new 2 channel relay module relay expansion board 5v low level triggered 2-way relay module for ard uino

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0.1s - 999h countdown timer programmable cycle control module time dalay relay 5v/12v/220v optional voltage

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-3%

Incomplete data

1pcs dual usb output 9v/12v/24v to 5v 3a dc-dc car charging step-down voltage regulator charging module

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