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10% off
Free Ship 1PCS 1-Way Dual Signal-Level Low-Level Trigger Relay Module 5V 1A Current Original Free Ship 1PCS 1-Way Dual Signal-Level Low-Level Trigger Relay Module 5V 1A Current Original

Free Ship 1PCS 1-Way Dual Signal-Level Low-Level Trigger Relay Module 5V 1A Current Original

$5.17$5.75

25% off
5pcs/lot DY1703A DY1703 Chip Serial Port Triggered IO Trigger Voice Playback IC Controller New Original

5pcs/lot DY1703A DY1703 Chip Serial Port Triggered IO Trigger Voice Playback IC Controller New Original

$6.29$8.39

3 sold
DC 6-35V 10W 20W Power Voice MP3 Player Vontrol Module One-to-one Trigger TF Memory Card U Disk Custom Audio T20L DC 6-35V 10W 20W Power Voice MP3 Player Vontrol Module One-to-one Trigger TF Memory Card U Disk Custom Audio T20L

DC 6-35V 10W 20W Power Voice MP3 Player Vontrol Module One-to-one Trigger TF Memory Card U Disk Custom Audio T20L

$32.43$32.43

5/3.3V relay module with optocoupler isolation and high-low level trigger development board ph2.0 interface compatible with Lego 5/3.3V relay module with optocoupler isolation and high-low level trigger development board ph2.0 interface compatible with Lego

5/3.3V relay module with optocoupler isolation and high-low level trigger development board ph2.0 interface compatible with Lego

$44.36$44.36

2-10PCS 2 channel 5V/12V/24V Relay Module with Optocoupler High/low Level Trigger Expansion Board for Raspberry Pi Arduino 2-10PCS 2 channel 5V/12V/24V Relay Module with Optocoupler High/low Level Trigger Expansion Board for Raspberry Pi Arduino

2-10PCS 2 channel 5V/12V/24V Relay Module with Optocoupler High/low Level Trigger Expansion Board for Raspberry Pi Arduino

$7.49$7.49

8% off
DC 6-30V 30A Delay Relay Support High Low/Switch/PNP/NPN Sensor Trigger LCD Digital Display Timing Control Module Multifunction DC 6-30V 30A Delay Relay Support High Low/Switch/PNP/NPN Sensor Trigger LCD Digital Display Timing Control Module Multifunction

DC 6-30V 30A Delay Relay Support High Low/Switch/PNP/NPN Sensor Trigger LCD Digital Display Timing Control Module Multifunction

$6.33$6.88

6 Channel Relay Module 5V 12V 24V High and Low Level Trigger Relay Control With Optocoupler 6 Way Relays DC 5 V 12 V 24 V Volt 6 Channel Relay Module 5V 12V 24V High and Low Level Trigger Relay Control With Optocoupler 6 Way Relays DC 5 V 12 V 24 V Volt

6 Channel Relay Module 5V 12V 24V High and Low Level Trigger Relay Control With Optocoupler 6 Way Relays DC 5 V 12 V 24 V Volt

$5.08$5.08

6 sold
2% off
30W Industrial grade voice broadcast prompt module high and low level trigger one-to-one playboard MP3 prompter 30W Industrial grade voice broadcast prompt module high and low level trigger one-to-one playboard MP3 prompter

30W Industrial grade voice broadcast prompt module high and low level trigger one-to-one playboard MP3 prompter

$6.64$6.78

13 sold
19% off
10PCS C 5V High and low Level Trigger Dual Optocoupler Isolation Relay Module

10PCS C 5V High and low Level Trigger Dual Optocoupler Isolation Relay Module

$6.00$7.41

1 sold
2 PCS 5V 12V 24V low level trigger 8 Channel Relay Module interface Board with Shield apply to PIC AVR DSP ARM MCU Arduino 2 PCS 5V 12V 24V low level trigger 8 Channel Relay Module interface Board with Shield apply to PIC AVR DSP ARM MCU Arduino

2 PCS 5V 12V 24V low level trigger 8 Channel Relay Module interface Board with Shield apply to PIC AVR DSP ARM MCU Arduino

$40.00$40.00

10pcs 5V 12V low level trigger 1 Channel Relay Module interface Board Shield For PIC AVR DSP ARM MCU For arduino 10pcs 5V 12V low level trigger 1 Channel Relay Module interface Board Shield For PIC AVR DSP ARM MCU For arduino

10pcs 5V 12V low level trigger 1 Channel Relay Module interface Board Shield For PIC AVR DSP ARM MCU For arduino

$39.40$39.40

67% off
5V 12V 24V Relay Switch Module 1 2 4 6 8 Channel Support High Or Low Level Trigger with Optocoupler Isolation for Arduino DIY 5V 12V 24V Relay Switch Module 1 2 4 6 8 Channel Support High Or Low Level Trigger with Optocoupler Isolation for Arduino DIY

5V 12V 24V Relay Switch Module 1 2 4 6 8 Channel Support High Or Low Level Trigger with Optocoupler Isolation for Arduino DIY

$37.87$115.44

35% off
6 Channel Relay Module Board Shield 5V 12V 24V High and Low Level Trigger Relay Control With Optocoupler 6 Way Relay for Arduino 6 Channel Relay Module Board Shield 5V 12V 24V High and Low Level Trigger Relay Control With Optocoupler 6 Way Relay for Arduino

6 Channel Relay Module Board Shield 5V 12V 24V High and Low Level Trigger Relay Control With Optocoupler 6 Way Relay for Arduino

$47.50$73.08

30% off
5V 12V Relay Module 8 Channel Low Level Trigger Board Shield with Optocoupler Relay Output for PIC AVR DSP ARM MCU Arduino 5V 12V Relay Module 8 Channel Low Level Trigger Board Shield with Optocoupler Relay Output for PIC AVR DSP ARM MCU Arduino

5V 12V Relay Module 8 Channel Low Level Trigger Board Shield with Optocoupler Relay Output for PIC AVR DSP ARM MCU Arduino

$26.15$37.36

10% off
Free Ship 1PCS 8-Way Relay Module Low-Level Trigger Relay Control Panel With Coupler 12V Indicator Light Plc x-0.15 Free Ship 1PCS 8-Way Relay Module Low-Level Trigger Relay Control Panel With Coupler 12V Indicator Light Plc x-0.15

Free Ship 1PCS 8-Way Relay Module Low-Level Trigger Relay Control Panel With Coupler 12V Indicator Light Plc x-0.15

$5.32$5.91

50% off
Voice Module Player Board Industrial Grade 24V High Power High And Low Level Trigger One To One MP3 Player CH358 Voice Module Player Board Industrial Grade 24V High Power High And Low Level Trigger One To One MP3 Player CH358

Voice Module Player Board Industrial Grade 24V High Power High And Low Level Trigger One To One MP3 Player CH358

$6.06$12.12

Multifunctional digital display adjustable power cycle high-low trigger pulse delay relay module 5V24V Multifunctional digital display adjustable power cycle high-low trigger pulse delay relay module 5V24V

Multifunctional digital display adjustable power cycle high-low trigger pulse delay relay module 5V24V

$40.00$40.00

24v50w/60w Power Voice Broadcast Prompt Module High And Low Level Trigger One-to-one Mp3 Playback Hl50f 24v50w/60w Power Voice Broadcast Prompt Module High And Low Level Trigger One-to-one Mp3 Playback Hl50f

24v50w/60w Power Voice Broadcast Prompt Module High And Low Level Trigger One-to-one Mp3 Playback Hl50f

$49.00$49.00

1 sold
10% off
Digital Display Can Mobilize power/cycle/high And Low Level Trigger Multifunctional Delay 12V Relay Module Digital Display Can Mobilize power/cycle/high And Low Level Trigger Multifunctional Delay 12V Relay Module

Digital Display Can Mobilize power/cycle/high And Low Level Trigger Multifunctional Delay 12V Relay Module

$4.95$5.50

8-way solid-state relay module high and low level triggers 3v5v12v24v fuse 250V2AHY-M281 8-way solid-state relay module high and low level triggers 3v5v12v24v fuse 250V2AHY-M281

8-way solid-state relay module high and low level triggers 3v5v12v24v fuse 250V2AHY-M281

$45.98$45.98

35% off
Voice Module Player Board Industrial Grade 24V High Power High And Low Level Trigger One To One MP3 Player CH358 Voice Module Player Board Industrial Grade 24V High Power High And Low Level Trigger One To One MP3 Player CH358

Voice Module Player Board Industrial Grade 24V High Power High And Low Level Trigger One To One MP3 Player CH358

$6.67$10.26

10PCS 1 Channel 5V Relay Module Optocoupler Isolation Low Level Trigger Module for PIC AVR DSP ARM 10PCS 1 Channel 5V Relay Module Optocoupler Isolation Low Level Trigger Module for PIC AVR DSP ARM

10PCS 1 Channel 5V Relay Module Optocoupler Isolation Low Level Trigger Module for PIC AVR DSP ARM

$5.83$5.83

30W power voice broadcast prompt module high and low levels trigger one-on-one MP3 playback TF card USB drive DY-HL30T 30W power voice broadcast prompt module high and low levels trigger one-on-one MP3 playback TF card USB drive DY-HL30T

30W power voice broadcast prompt module high and low levels trigger one-on-one MP3 playback TF card USB drive DY-HL30T

$6.32$6.32

5 sold
50% off
1PCS 1 2 4 8 Channel 5V 12V 24V Relay Module Board with Optocoupler Support High and Low Level Trigger for Arduino 1PCS 1 2 4 8 Channel 5V 12V 24V Relay Module Board with Optocoupler Support High and Low Level Trigger for Arduino

1PCS 1 2 4 8 Channel 5V 12V 24V Relay Module Board with Optocoupler Support High and Low Level Trigger for Arduino

$19.73$39.46

1904 sold
42% off
MP3 Power Voice Broadcast Prompt Module DC9-24V 30W High And Low Level Trigger Mp3 Playback Support TF Card U Disk DY-HL30T MP3 Power Voice Broadcast Prompt Module DC9-24V 30W High And Low Level Trigger Mp3 Playback Support TF Card U Disk DY-HL30T

MP3 Power Voice Broadcast Prompt Module DC9-24V 30W High And Low Level Trigger Mp3 Playback Support TF Card U Disk DY-HL30T

$5.97$10.29

8 sold
12% off
DC 6-30V 30A Delay Relay Support High Low/Switch/PNP/NPN Sensor Trigger LCD Digital Display Timing Control Module Multifunction DC 6-30V 30A Delay Relay Support High Low/Switch/PNP/NPN Sensor Trigger LCD Digital Display Timing Control Module Multifunction

DC 6-30V 30A Delay Relay Support High Low/Switch/PNP/NPN Sensor Trigger LCD Digital Display Timing Control Module Multifunction

$6.60$7.50

25% off
5V 12V Relay Module 8 Channel Low Level Trigger Board Shield with Optocoupler Relay Output for PIC AVR DSP ARM MCU Arduino 5V 12V Relay Module 8 Channel Low Level Trigger Board Shield with Optocoupler Relay Output for PIC AVR DSP ARM MCU Arduino

5V 12V Relay Module 8 Channel Low Level Trigger Board Shield with Optocoupler Relay Output for PIC AVR DSP ARM MCU Arduino

$42.09$56.12

1 -way and 2 -way of low-level triggered solid-state relay module 5V/12V/24V DC controlled single-phase converter

1 -way and 2 -way of low-level triggered solid-state relay module 5V/12V/24V DC controlled single-phase converter

$46.50$46.50

8 channel relay module with optical coupling isolation PLC control panel 5v optional low level trigger SRD-05VDC-SL-C 8 channel relay module with optical coupling isolation PLC control panel 5v optional low level trigger SRD-05VDC-SL-C

8 channel relay module with optical coupling isolation PLC control panel 5v optional low level trigger SRD-05VDC-SL-C

$4.99$4.99

25% off
20pcs/1pc H11 H11L1 H11L1SR2 H11L1SR2M SMD-6 for Schmitt Trigger Output Optocoupler Photocoupler IC Chip Integrated Circuit 20pcs/1pc H11 H11L1 H11L1SR2 H11L1SR2M SMD-6 for Schmitt Trigger Output Optocoupler Photocoupler IC Chip Integrated Circuit

20pcs/1pc H11 H11L1 H11L1SR2 H11L1SR2M SMD-6 for Schmitt Trigger Output Optocoupler Photocoupler IC Chip Integrated Circuit

$0.43$0.57

2 sold
MP3 Power Voice Broadcast Prompt Module DC9-24V 30W High And Low Level Trigger Mp3 Playback Support TF Card U Disk DY-HL30T MP3 Power Voice Broadcast Prompt Module DC9-24V 30W High And Low Level Trigger Mp3 Playback Support TF Card U Disk DY-HL30T

MP3 Power Voice Broadcast Prompt Module DC9-24V 30W High And Low Level Trigger Mp3 Playback Support TF Card U Disk DY-HL30T

$7.73$7.73

57 sold
Two Channel 2-way DC 5V Relay Module 30A Optocoupler Isolation Module High And Low Level Trigger Relay For Smart Home PLC Two Channel 2-way DC 5V Relay Module 30A Optocoupler Isolation Module High And Low Level Trigger Relay For Smart Home PLC

Two Channel 2-way DC 5V Relay Module 30A Optocoupler Isolation Module High And Low Level Trigger Relay For Smart Home PLC

$5.96$5.96

1 sold
10pcs Electronic building block active buzzer module, low-level triggered buzzer control board 10pcs Electronic building block active buzzer module, low-level triggered buzzer control board

10pcs Electronic building block active buzzer module, low-level triggered buzzer control board

$53.40$53.40

25% off
DC9-24V 60W MP3 Power Voice Broadcast Prompt Module High And Low Level Trigger One-To-One MP3 Playback Support TF Card U Disk DC9-24V 60W MP3 Power Voice Broadcast Prompt Module High And Low Level Trigger One-To-One MP3 Playback Support TF Card U Disk

DC9-24V 60W MP3 Power Voice Broadcast Prompt Module High And Low Level Trigger One-To-One MP3 Playback Support TF Card U Disk

$6.56$8.75

35 sold
1 2 4 8 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And low Triger Trigger With Module Stand 1 2 4 8 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And low Triger Trigger With Module Stand

1 2 4 8 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And low Triger Trigger With Module Stand

$3.95$3.95

10 sold
12V 24V 10W 20W Voice MP3 Player Module 9-way One-to-one Trigger Audio 32Mbit (4MByte) Storage MP3 WAV Decoding Format DY-F20L 12V 24V 10W 20W Voice MP3 Player Module 9-way One-to-one Trigger Audio 32Mbit (4MByte) Storage MP3 WAV Decoding Format DY-F20L

12V 24V 10W 20W Voice MP3 Player Module 9-way One-to-one Trigger Audio 32Mbit (4MByte) Storage MP3 WAV Decoding Format DY-F20L

$33.99$33.99

10% off
Free Ship 1PCS 1-Way Dual Signal-Level Low-Level Trigger Relay Module 5V 1A Current Original Free Ship 1PCS 1-Way Dual Signal-Level Low-Level Trigger Relay Module 5V 1A Current Original

Free Ship 1PCS 1-Way Dual Signal-Level Low-Level Trigger Relay Module 5V 1A Current Original

$5.17 $5.75

Categories: Electronic Components & Supplies, Active Components

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25% off
5pcs/lot DY1703A DY1703 Chip Serial Port Triggered IO Trigger Voice Playback IC Controller New Original

5pcs/lot DY1703A DY1703 Chip Serial Port Triggered IO Trigger Voice Playback IC Controller New Original

$6.29 $8.39

3 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
DC 6-35V 10W 20W Power Voice MP3 Player Vontrol Module One-to-one Trigger TF Memory Card U Disk Custom Audio T20L DC 6-35V 10W 20W Power Voice MP3 Player Vontrol Module One-to-one Trigger TF Memory Card U Disk Custom Audio T20L

DC 6-35V 10W 20W Power Voice MP3 Player Vontrol Module One-to-one Trigger TF Memory Card U Disk Custom Audio T20L

$32.43 $32.43

Categories: Electronic Components & Supplies, Active Components

Buy Now
5/3.3V relay module with optocoupler isolation and high-low level trigger development board ph2.0 interface compatible with Lego 5/3.3V relay module with optocoupler isolation and high-low level trigger development board ph2.0 interface compatible with Lego

5/3.3V relay module with optocoupler isolation and high-low level trigger development board ph2.0 interface compatible with Lego

$44.36 $44.36

Categories: Electronic Components & Supplies, Active Components

Buy Now
2-10PCS 2 channel 5V/12V/24V Relay Module with Optocoupler High/low Level Trigger Expansion Board for Raspberry Pi Arduino 2-10PCS 2 channel 5V/12V/24V Relay Module with Optocoupler High/low Level Trigger Expansion Board for Raspberry Pi Arduino

2-10PCS 2 channel 5V/12V/24V Relay Module with Optocoupler High/low Level Trigger Expansion Board for Raspberry Pi Arduino

$7.49 $7.49

Categories: Electronic Components & Supplies, Active Components

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8% off
DC 6-30V 30A Delay Relay Support High Low/Switch/PNP/NPN Sensor Trigger LCD Digital Display Timing Control Module Multifunction DC 6-30V 30A Delay Relay Support High Low/Switch/PNP/NPN Sensor Trigger LCD Digital Display Timing Control Module Multifunction

DC 6-30V 30A Delay Relay Support High Low/Switch/PNP/NPN Sensor Trigger LCD Digital Display Timing Control Module Multifunction

$6.33 $6.88

Categories: Electronic Components & Supplies, Active Components

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6 Channel Relay Module 5V 12V 24V High and Low Level Trigger Relay Control With Optocoupler 6 Way Relays DC 5 V 12 V 24 V Volt 6 Channel Relay Module 5V 12V 24V High and Low Level Trigger Relay Control With Optocoupler 6 Way Relays DC 5 V 12 V 24 V Volt

6 Channel Relay Module 5V 12V 24V High and Low Level Trigger Relay Control With Optocoupler 6 Way Relays DC 5 V 12 V 24 V Volt

$5.08 $5.08

6 sold

Categories: Electronic Components & Supplies, Active Components

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2% off
30W Industrial grade voice broadcast prompt module high and low level trigger one-to-one playboard MP3 prompter 30W Industrial grade voice broadcast prompt module high and low level trigger one-to-one playboard MP3 prompter

30W Industrial grade voice broadcast prompt module high and low level trigger one-to-one playboard MP3 prompter

$6.64 $6.78

13 sold

Categories: Electronic Components & Supplies, Active Components

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19% off
10PCS C 5V High and low Level Trigger Dual Optocoupler Isolation Relay Module

10PCS C 5V High and low Level Trigger Dual Optocoupler Isolation Relay Module

$6.00 $7.41

1 sold

Categories: Electronic Components & Supplies, Active Components

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2 PCS 5V 12V 24V low level trigger 8 Channel Relay Module interface Board with Shield apply to PIC AVR DSP ARM MCU Arduino 2 PCS 5V 12V 24V low level trigger 8 Channel Relay Module interface Board with Shield apply to PIC AVR DSP ARM MCU Arduino

2 PCS 5V 12V 24V low level trigger 8 Channel Relay Module interface Board with Shield apply to PIC AVR DSP ARM MCU Arduino

$40.00 $40.00

Categories: Electronic Components & Supplies, Active Components

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10pcs 5V 12V low level trigger 1 Channel Relay Module interface Board Shield For PIC AVR DSP ARM MCU For arduino 10pcs 5V 12V low level trigger 1 Channel Relay Module interface Board Shield For PIC AVR DSP ARM MCU For arduino

10pcs 5V 12V low level trigger 1 Channel Relay Module interface Board Shield For PIC AVR DSP ARM MCU For arduino

$39.40 $39.40

Categories: Electronic Components & Supplies, Active Components

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67% off
5V 12V 24V Relay Switch Module 1 2 4 6 8 Channel Support High Or Low Level Trigger with Optocoupler Isolation for Arduino DIY 5V 12V 24V Relay Switch Module 1 2 4 6 8 Channel Support High Or Low Level Trigger with Optocoupler Isolation for Arduino DIY

5V 12V 24V Relay Switch Module 1 2 4 6 8 Channel Support High Or Low Level Trigger with Optocoupler Isolation for Arduino DIY

$37.87 $115.44

Categories: Electronic Components & Supplies, Active Components

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35% off
6 Channel Relay Module Board Shield 5V 12V 24V High and Low Level Trigger Relay Control With Optocoupler 6 Way Relay for Arduino 6 Channel Relay Module Board Shield 5V 12V 24V High and Low Level Trigger Relay Control With Optocoupler 6 Way Relay for Arduino

6 Channel Relay Module Board Shield 5V 12V 24V High and Low Level Trigger Relay Control With Optocoupler 6 Way Relay for Arduino

$47.50 $73.08

Categories: Electronic Components & Supplies, Active Components

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30% off
5V 12V Relay Module 8 Channel Low Level Trigger Board Shield with Optocoupler Relay Output for PIC AVR DSP ARM MCU Arduino 5V 12V Relay Module 8 Channel Low Level Trigger Board Shield with Optocoupler Relay Output for PIC AVR DSP ARM MCU Arduino

5V 12V Relay Module 8 Channel Low Level Trigger Board Shield with Optocoupler Relay Output for PIC AVR DSP ARM MCU Arduino

$26.15 $37.36

Categories: Electronic Components & Supplies, Active Components

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10% off
Free Ship 1PCS 8-Way Relay Module Low-Level Trigger Relay Control Panel With Coupler 12V Indicator Light Plc x-0.15 Free Ship 1PCS 8-Way Relay Module Low-Level Trigger Relay Control Panel With Coupler 12V Indicator Light Plc x-0.15

Free Ship 1PCS 8-Way Relay Module Low-Level Trigger Relay Control Panel With Coupler 12V Indicator Light Plc x-0.15

$5.32 $5.91

Categories: Electronic Components & Supplies, Active Components

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50% off
Voice Module Player Board Industrial Grade 24V High Power High And Low Level Trigger One To One MP3 Player CH358 Voice Module Player Board Industrial Grade 24V High Power High And Low Level Trigger One To One MP3 Player CH358

Voice Module Player Board Industrial Grade 24V High Power High And Low Level Trigger One To One MP3 Player CH358

$6.06 $12.12

Categories: Electronic Components & Supplies, Active Components

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Multifunctional digital display adjustable power cycle high-low trigger pulse delay relay module 5V24V Multifunctional digital display adjustable power cycle high-low trigger pulse delay relay module 5V24V

Multifunctional digital display adjustable power cycle high-low trigger pulse delay relay module 5V24V

$40.00 $40.00

Categories: Electronic Components & Supplies, Active Components

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24v50w/60w Power Voice Broadcast Prompt Module High And Low Level Trigger One-to-one Mp3 Playback Hl50f 24v50w/60w Power Voice Broadcast Prompt Module High And Low Level Trigger One-to-one Mp3 Playback Hl50f

24v50w/60w Power Voice Broadcast Prompt Module High And Low Level Trigger One-to-one Mp3 Playback Hl50f

$49.00 $49.00

1 sold

Categories: Electronic Components & Supplies, Active Components

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10% off
Digital Display Can Mobilize power/cycle/high And Low Level Trigger Multifunctional Delay 12V Relay Module Digital Display Can Mobilize power/cycle/high And Low Level Trigger Multifunctional Delay 12V Relay Module

Digital Display Can Mobilize power/cycle/high And Low Level Trigger Multifunctional Delay 12V Relay Module

$4.95 $5.50

Categories: Electronic Components & Supplies, Active Components

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8-way solid-state relay module high and low level triggers 3v5v12v24v fuse 250V2AHY-M281 8-way solid-state relay module high and low level triggers 3v5v12v24v fuse 250V2AHY-M281

8-way solid-state relay module high and low level triggers 3v5v12v24v fuse 250V2AHY-M281

$45.98 $45.98

Categories: Electronic Components & Supplies, Active Components

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35% off
Voice Module Player Board Industrial Grade 24V High Power High And Low Level Trigger One To One MP3 Player CH358 Voice Module Player Board Industrial Grade 24V High Power High And Low Level Trigger One To One MP3 Player CH358

Voice Module Player Board Industrial Grade 24V High Power High And Low Level Trigger One To One MP3 Player CH358

$6.67 $10.26

Categories: Electronic Components & Supplies, Active Components

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10PCS 1 Channel 5V Relay Module Optocoupler Isolation Low Level Trigger Module for PIC AVR DSP ARM 10PCS 1 Channel 5V Relay Module Optocoupler Isolation Low Level Trigger Module for PIC AVR DSP ARM

10PCS 1 Channel 5V Relay Module Optocoupler Isolation Low Level Trigger Module for PIC AVR DSP ARM

$5.83 $5.83

Categories: Electronic Components & Supplies, Active Components

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30W power voice broadcast prompt module high and low levels trigger one-on-one MP3 playback TF card USB drive DY-HL30T 30W power voice broadcast prompt module high and low levels trigger one-on-one MP3 playback TF card USB drive DY-HL30T

30W power voice broadcast prompt module high and low levels trigger one-on-one MP3 playback TF card USB drive DY-HL30T

$6.32 $6.32

5 sold

Categories: Electronic Components & Supplies, Active Components

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50% off
1PCS 1 2 4 8 Channel 5V 12V 24V Relay Module Board with Optocoupler Support High and Low Level Trigger for Arduino 1PCS 1 2 4 8 Channel 5V 12V 24V Relay Module Board with Optocoupler Support High and Low Level Trigger for Arduino

1PCS 1 2 4 8 Channel 5V 12V 24V Relay Module Board with Optocoupler Support High and Low Level Trigger for Arduino

$19.73 $39.46

1904 sold

Categories: Electronic Components & Supplies, Active Components

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42% off
MP3 Power Voice Broadcast Prompt Module DC9-24V 30W High And Low Level Trigger Mp3 Playback Support TF Card U Disk DY-HL30T MP3 Power Voice Broadcast Prompt Module DC9-24V 30W High And Low Level Trigger Mp3 Playback Support TF Card U Disk DY-HL30T

MP3 Power Voice Broadcast Prompt Module DC9-24V 30W High And Low Level Trigger Mp3 Playback Support TF Card U Disk DY-HL30T

$5.97 $10.29

8 sold

Categories: Electronic Components & Supplies, Active Components

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12% off
DC 6-30V 30A Delay Relay Support High Low/Switch/PNP/NPN Sensor Trigger LCD Digital Display Timing Control Module Multifunction DC 6-30V 30A Delay Relay Support High Low/Switch/PNP/NPN Sensor Trigger LCD Digital Display Timing Control Module Multifunction

DC 6-30V 30A Delay Relay Support High Low/Switch/PNP/NPN Sensor Trigger LCD Digital Display Timing Control Module Multifunction

$6.60 $7.50

Categories: Electronic Components & Supplies, Active Components

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25% off
5V 12V Relay Module 8 Channel Low Level Trigger Board Shield with Optocoupler Relay Output for PIC AVR DSP ARM MCU Arduino 5V 12V Relay Module 8 Channel Low Level Trigger Board Shield with Optocoupler Relay Output for PIC AVR DSP ARM MCU Arduino

5V 12V Relay Module 8 Channel Low Level Trigger Board Shield with Optocoupler Relay Output for PIC AVR DSP ARM MCU Arduino

$42.09 $56.12

Categories: Electronic Components & Supplies, Active Components

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1 -way and 2 -way of low-level triggered solid-state relay module 5V/12V/24V DC controlled single-phase converter

1 -way and 2 -way of low-level triggered solid-state relay module 5V/12V/24V DC controlled single-phase converter

$46.50 $46.50

Categories: Electronic Components & Supplies, Active Components

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8 channel relay module with optical coupling isolation PLC control panel 5v optional low level trigger SRD-05VDC-SL-C 8 channel relay module with optical coupling isolation PLC control panel 5v optional low level trigger SRD-05VDC-SL-C

8 channel relay module with optical coupling isolation PLC control panel 5v optional low level trigger SRD-05VDC-SL-C

$4.99 $4.99

Categories: Electronic Components & Supplies, Active Components

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25% off
20pcs/1pc H11 H11L1 H11L1SR2 H11L1SR2M SMD-6 for Schmitt Trigger Output Optocoupler Photocoupler IC Chip Integrated Circuit 20pcs/1pc H11 H11L1 H11L1SR2 H11L1SR2M SMD-6 for Schmitt Trigger Output Optocoupler Photocoupler IC Chip Integrated Circuit

20pcs/1pc H11 H11L1 H11L1SR2 H11L1SR2M SMD-6 for Schmitt Trigger Output Optocoupler Photocoupler IC Chip Integrated Circuit

$0.43 $0.57

2 sold

Categories: Electronic Components & Supplies, Active Components

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MP3 Power Voice Broadcast Prompt Module DC9-24V 30W High And Low Level Trigger Mp3 Playback Support TF Card U Disk DY-HL30T MP3 Power Voice Broadcast Prompt Module DC9-24V 30W High And Low Level Trigger Mp3 Playback Support TF Card U Disk DY-HL30T

MP3 Power Voice Broadcast Prompt Module DC9-24V 30W High And Low Level Trigger Mp3 Playback Support TF Card U Disk DY-HL30T

$7.73 $7.73

57 sold

Categories: Electronic Components & Supplies, Active Components

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Two Channel 2-way DC 5V Relay Module 30A Optocoupler Isolation Module High And Low Level Trigger Relay For Smart Home PLC Two Channel 2-way DC 5V Relay Module 30A Optocoupler Isolation Module High And Low Level Trigger Relay For Smart Home PLC

Two Channel 2-way DC 5V Relay Module 30A Optocoupler Isolation Module High And Low Level Trigger Relay For Smart Home PLC

$5.96 $5.96

1 sold

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10pcs Electronic building block active buzzer module, low-level triggered buzzer control board 10pcs Electronic building block active buzzer module, low-level triggered buzzer control board

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$53.40 $53.40

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DC9-24V 60W MP3 Power Voice Broadcast Prompt Module High And Low Level Trigger One-To-One MP3 Playback Support TF Card U Disk DC9-24V 60W MP3 Power Voice Broadcast Prompt Module High And Low Level Trigger One-To-One MP3 Playback Support TF Card U Disk

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35 sold

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1 2 4 8 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And low Triger Trigger With Module Stand 1 2 4 8 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And low Triger Trigger With Module Stand

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10 sold

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$33.99 $33.99

Categories: Electronic Components & Supplies, Active Components

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