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Low Trigger

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29% off
10pcs 2-channel New 2 channel relay module relay expansion board 5V low level triggered 2-way relay modul 10pcs 2-channel New 2 channel relay module relay expansion board 5V low level triggered 2-way relay modul

10pcs 2-channel New 2 channel relay module relay expansion board 5V low level triggered 2-way relay modul

$7.31$10.30

Low Pulse Trigger Board Button for Electronic Switch Control with 4 Channel DC 6V-24V Flip-Flop Latch Relay Module Low Pulse Trigger Board Button for Electronic Switch Control with 4 Channel DC 6V-24V Flip-Flop Latch Relay Module

Low Pulse Trigger Board Button for Electronic Switch Control with 4 Channel DC 6V-24V Flip-Flop Latch Relay Module

$62.25$62.25

8% off
4 8 channel relay module 30A with optocoupler isolation 5V 12V 24V supports high and low Triger trigger 4 8 channel relay module 30A with optocoupler isolation 5V 12V 24V supports high and low Triger trigger

4 8 channel relay module 30A with optocoupler isolation 5V 12V 24V supports high and low Triger trigger

$7.39$8.03

33 sold
4% off
4 8 channel relay module 30A with optocoupler isolation 5V 12V 24V supports high and low Triger trigger 4 8 channel relay module 30A with optocoupler isolation 5V 12V 24V supports high and low Triger trigger

4 8 channel relay module 30A with optocoupler isolation 5V 12V 24V supports high and low Triger trigger

$7.71$8.03

1 sold
2-10PCS 4 Channel 5V/12V/24V Relay Module with Optocoupler High/low Level Trigger Expansion Board for Raspberry Pi Arduino 2-10PCS 4 Channel 5V/12V/24V Relay Module with Optocoupler High/low Level Trigger Expansion Board for Raspberry Pi Arduino

2-10PCS 4 Channel 5V/12V/24V Relay Module with Optocoupler High/low Level Trigger Expansion Board for Raspberry Pi Arduino

$9.16$9.16

4 sold
1 2 4 8 Way 5V12V24V Low Level Trigger DC Control AC Solid State Relay Module Load 5A for Arduino 1 2 4 8 Way 1 2 4 8 Way 5V12V24V Low Level Trigger DC Control AC Solid State Relay Module Load 5A for Arduino 1 2 4 8 Way

1 2 4 8 Way 5V12V24V Low Level Trigger DC Control AC Solid State Relay Module Load 5A for Arduino 1 2 4 8 Way

$4.07$4.07

2 sold
16 relay 5V 12V 24V optocoupler isolation high and low level trigger PLC control board multiple relay modules 16 relay 5V 12V 24V optocoupler isolation high and low level trigger PLC control board multiple relay modules

16 relay 5V 12V 24V optocoupler isolation high and low level trigger PLC control board multiple relay modules

$73.37$73.37

16 sold
4ch DC 6V-24V Flip-Flop Latch Relay Module Bistable Self-locking Electronic Switch Low pulse trigger Board Button MCU IO Control 4ch DC 6V-24V Flip-Flop Latch Relay Module Bistable Self-locking Electronic Switch Low pulse trigger Board Button MCU IO Control

4ch DC 6V-24V Flip-Flop Latch Relay Module Bistable Self-locking Electronic Switch Low pulse trigger Board Button MCU IO Control

$60.28$60.28

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

$8.57$8.57

2 sold
19% off
5pieces 1 2 4 8 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board for arduino 5pieces 1 2 4 8 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board for arduino

5pieces 1 2 4 8 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board for arduino

$7.52$9.28

5% off
10PCS 5V 12V Low Level Trigger One 1 Channel Relay Module Interface Board Shield DC AC 220V PIC AVR DSP ARM MCU for Arduino 10PCS 5V 12V Low Level Trigger One 1 Channel Relay Module Interface Board Shield DC AC 220V PIC AVR DSP ARM MCU for Arduino

10PCS 5V 12V Low Level Trigger One 1 Channel Relay Module Interface Board Shield DC AC 220V PIC AVR DSP ARM MCU for Arduino

$11.85$12.47

1 sold
10% off
2 Channel Low Level Trigger Solid State Relay Module DC Controlled DC Load 5A Switch Control Board Module 5V 2 Channel Low Level Trigger Solid State Relay Module DC Controlled DC Load 5A Switch Control Board Module 5V

2 Channel Low Level Trigger Solid State Relay Module DC Controlled DC Load 5A Switch Control Board Module 5V

$7.27$8.08

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

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

$2.51$2.51

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

$7.94$7.94

33 sold
10pcs / One way relay module 5V low-level trigger (relay expansion board) 10pcs / One way relay module 5V low-level trigger (relay expansion board)

10pcs / One way relay module 5V low-level trigger (relay expansion board)

$70.00$70.00

5V 12V low level trigger 1 2 4 8 16 Channel Relay Module interface Board Shield For PIC AVR DSP ARM MCU Arduino 5V 12V low level trigger 1 2 4 8 16 Channel Relay Module interface Board Shield For PIC AVR DSP ARM MCU Arduino

5V 12V low level trigger 1 2 4 8 16 Channel Relay Module interface Board Shield For PIC AVR DSP ARM MCU Arduino

$1.25$1.25

84 sold
AEAK 10PCS 12V low level trigger One 1 Channel Relay Module interface Board Shield For PIC AVR DSP ARM MCU Arduino AEAK 10PCS 12V low level trigger One 1 Channel Relay Module interface Board Shield For PIC AVR DSP ARM MCU Arduino

AEAK 10PCS 12V low level trigger One 1 Channel Relay Module interface Board Shield For PIC AVR DSP ARM MCU Arduino

$6.12$6.12

1 sold
1 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler 12V Relay Module Support High and Low Level Trigger for Arduino 1 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler 12V Relay Module Support High and Low Level Trigger for Arduino

1 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler 12V Relay Module Support High and Low Level Trigger for Arduino

$63.41$63.41

four 4 channel relay module 30A with optocoupler isolation 5v supports high and low Triger trigger for Smart home four 4 channel relay module 30A with optocoupler isolation 5v supports high and low Triger trigger for Smart home

four 4 channel relay module 30A with optocoupler isolation 5v supports high and low Triger trigger for Smart home

$48.83$48.83

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

$8.50$8.50

10 sold
67% off
5PCS Active Buzzer Low Level Modules 3.3V-5V Buzzer Module Low Level Trigger 3 Pin Buzzer Alarm Module Electronic Component 5PCS Active Buzzer Low Level Modules 3.3V-5V Buzzer Module Low Level Trigger 3 Pin Buzzer Alarm Module Electronic Component

5PCS Active Buzzer Low Level Modules 3.3V-5V Buzzer Module Low Level Trigger 3 Pin Buzzer Alarm Module Electronic Component

$46.62$142.11

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

30% off
1-Channel relay module 5V 9V 12V 24V with optocoupler red board relay module supports high and low level trigger 1-Channel relay module 5V 9V 12V 24V with optocoupler red board relay module supports high and low level trigger

1-Channel relay module 5V 9V 12V 24V with optocoupler red board relay module supports high and low level trigger

$8.88$12.69

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

$8.63$8.63

10 sold
24v50w/60w Power Voice Broadcast Prompt Module High And Low Level Trigger One-to-one Mp3 Playback Hl50t 24v50w/60w Power Voice Broadcast Prompt Module High And Low Level Trigger One-to-one Mp3 Playback Hl50t

24v50w/60w Power Voice Broadcast Prompt Module High And Low Level Trigger One-to-one Mp3 Playback Hl50t

$52.00$52.00

29% off
HAILANGNIAO 10pcs 2-channel New 2 channel relay module relay expansion board 5V low level triggered 2-way relay module HAILANGNIAO 10pcs 2-channel New 2 channel relay module relay expansion board 5V low level triggered 2-way relay module

HAILANGNIAO 10pcs 2-channel New 2 channel relay module relay expansion board 5V low level triggered 2-way relay module

$7.37$10.38

50% off
MP3 WAV Mono Voice Playback Module Low-level Trigger GND DY-HL50T 60W Class D Power Amplifier TF Card USB DC 9V-24V MP3 WAV Mono Voice Playback Module Low-level Trigger GND DY-HL50T 60W Class D Power Amplifier TF Card USB DC 9V-24V

MP3 WAV Mono Voice Playback Module Low-level Trigger GND DY-HL50T 60W Class D Power Amplifier TF Card USB DC 9V-24V

$9.53$19.06

4 sold
40% 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

$7.55$12.58

1PCS DC 5V 12V 24V 8 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for Arduino Raspberry Pi 1PCS DC 5V 12V 24V 8 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for Arduino Raspberry Pi

1PCS DC 5V 12V 24V 8 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for Arduino Raspberry Pi

$8.92$8.92

four 4 channel relay module 30A with optocoupler isolation 5v supports high and low Triger trigger for Smart home four 4 channel relay module 30A with optocoupler isolation 5v supports high and low Triger trigger for Smart home

four 4 channel relay module 30A with optocoupler isolation 5v supports high and low Triger trigger for Smart home

$51.52$51.52

10% off
8-way Low-level Trigger Solid State Relay Solid State Relay with Fuse / 250V2A 8-way Low-level Trigger Solid State Relay Solid State Relay with Fuse / 250V2A

8-way Low-level Trigger Solid State Relay Solid State Relay with Fuse / 250V2A

$60.72$67.47

5pcs / 1 relay module with optocoupler isolation expansion board 5V/12V supports high and low level triggering 5pcs / 1 relay module with optocoupler isolation expansion board 5V/12V supports high and low level triggering

5pcs / 1 relay module with optocoupler isolation expansion board 5V/12V supports high and low level triggering

$60.00$60.00

10pcs 1 2 4 6 8 Channel 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger For arduino 10pcs 1 2 4 6 8 Channel 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger For arduino

10pcs 1 2 4 6 8 Channel 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger For arduino

$60.10$60.10

38% off
HD25 HD35 Trigger QC2.0 QC3.0 AFC FCP Electronic USB Load Resistor Discharge Battery Test Adjustable Current Voltage HD25 HD35 Trigger QC2.0 QC3.0 AFC FCP Electronic USB Load Resistor Discharge Battery Test Adjustable Current Voltage

HD25 HD35 Trigger QC2.0 QC3.0 AFC FCP Electronic USB Load Resistor Discharge Battery Test Adjustable Current Voltage

$8.15$13.14

1 sold
5% off
four 4 channel relay module 30A with optocoupler isolation 5v supports high and low Triger trigger for Smart home four 4 channel relay module 30A with optocoupler isolation 5v supports high and low Triger trigger for Smart home

four 4 channel relay module 30A with optocoupler isolation 5v supports high and low Triger trigger for Smart home

$67.45$71.00

67% off
5PCS Active Buzzer Module DIY Kit 3.3V-5V Buzzer Module Low Level Trigger 3 Pin Beep Sensor Module Electronic Component 5PCS Active Buzzer Module DIY Kit 3.3V-5V Buzzer Module Low Level Trigger 3 Pin Beep Sensor Module Electronic Component

5PCS Active Buzzer Module DIY Kit 3.3V-5V Buzzer Module Low Level Trigger 3 Pin Beep Sensor Module Electronic Component

$42.44$129.38

29% off
10pcs 2-channel New 2 channel relay module relay expansion board 5V low level triggered 2-way relay modul 10pcs 2-channel New 2 channel relay module relay expansion board 5V low level triggered 2-way relay modul

10pcs 2-channel New 2 channel relay module relay expansion board 5V low level triggered 2-way relay modul

$7.31 $10.30

Categories: Electronic Components & Supplies, Active Components

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Low Pulse Trigger Board Button for Electronic Switch Control with 4 Channel DC 6V-24V Flip-Flop Latch Relay Module Low Pulse Trigger Board Button for Electronic Switch Control with 4 Channel DC 6V-24V Flip-Flop Latch Relay Module

Low Pulse Trigger Board Button for Electronic Switch Control with 4 Channel DC 6V-24V Flip-Flop Latch Relay Module

$62.25 $62.25

Categories: Electronic Components & Supplies, Active Components

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8% off
4 8 channel relay module 30A with optocoupler isolation 5V 12V 24V supports high and low Triger trigger 4 8 channel relay module 30A with optocoupler isolation 5V 12V 24V supports high and low Triger trigger

4 8 channel relay module 30A with optocoupler isolation 5V 12V 24V supports high and low Triger trigger

$7.39 $8.03

33 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
4% off
4 8 channel relay module 30A with optocoupler isolation 5V 12V 24V supports high and low Triger trigger 4 8 channel relay module 30A with optocoupler isolation 5V 12V 24V supports high and low Triger trigger

4 8 channel relay module 30A with optocoupler isolation 5V 12V 24V supports high and low Triger trigger

$7.71 $8.03

1 sold

Categories: Electronic Components & Supplies, Active Components

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2-10PCS 4 Channel 5V/12V/24V Relay Module with Optocoupler High/low Level Trigger Expansion Board for Raspberry Pi Arduino 2-10PCS 4 Channel 5V/12V/24V Relay Module with Optocoupler High/low Level Trigger Expansion Board for Raspberry Pi Arduino

2-10PCS 4 Channel 5V/12V/24V Relay Module with Optocoupler High/low Level Trigger Expansion Board for Raspberry Pi Arduino

$9.16 $9.16

4 sold

Categories: Electronic Components & Supplies, Active Components

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1 2 4 8 Way 5V12V24V Low Level Trigger DC Control AC Solid State Relay Module Load 5A for Arduino 1 2 4 8 Way 1 2 4 8 Way 5V12V24V Low Level Trigger DC Control AC Solid State Relay Module Load 5A for Arduino 1 2 4 8 Way

1 2 4 8 Way 5V12V24V Low Level Trigger DC Control AC Solid State Relay Module Load 5A for Arduino 1 2 4 8 Way

$4.07 $4.07

2 sold

Categories: Electronic Components & Supplies, Active Components

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16 relay 5V 12V 24V optocoupler isolation high and low level trigger PLC control board multiple relay modules 16 relay 5V 12V 24V optocoupler isolation high and low level trigger PLC control board multiple relay modules

16 relay 5V 12V 24V optocoupler isolation high and low level trigger PLC control board multiple relay modules

$73.37 $73.37

16 sold

Categories: Electronic Components & Supplies, Active Components

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4ch DC 6V-24V Flip-Flop Latch Relay Module Bistable Self-locking Electronic Switch Low pulse trigger Board Button MCU IO Control 4ch DC 6V-24V Flip-Flop Latch Relay Module Bistable Self-locking Electronic Switch Low pulse trigger Board Button MCU IO Control

4ch DC 6V-24V Flip-Flop Latch Relay Module Bistable Self-locking Electronic Switch Low pulse trigger Board Button MCU IO Control

$60.28 $60.28

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

$8.57 $8.57

2 sold

Categories: Electronic Components & Supplies, Active Components

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19% off
5pieces 1 2 4 8 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board for arduino 5pieces 1 2 4 8 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board for arduino

5pieces 1 2 4 8 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board for arduino

$7.52 $9.28

Categories: Electronic Components & Supplies, Active Components

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5% off
10PCS 5V 12V Low Level Trigger One 1 Channel Relay Module Interface Board Shield DC AC 220V PIC AVR DSP ARM MCU for Arduino 10PCS 5V 12V Low Level Trigger One 1 Channel Relay Module Interface Board Shield DC AC 220V PIC AVR DSP ARM MCU for Arduino

10PCS 5V 12V Low Level Trigger One 1 Channel Relay Module Interface Board Shield DC AC 220V PIC AVR DSP ARM MCU for Arduino

$11.85 $12.47

1 sold

Categories: Electronic Components & Supplies, Active Components

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10% off
2 Channel Low Level Trigger Solid State Relay Module DC Controlled DC Load 5A Switch Control Board Module 5V 2 Channel Low Level Trigger Solid State Relay Module DC Controlled DC Load 5A Switch Control Board Module 5V

2 Channel Low Level Trigger Solid State Relay Module DC Controlled DC Load 5A Switch Control Board Module 5V

$7.27 $8.08

Categories: Electronic Components & Supplies, Active Components

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

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

$2.51 $2.51

165 sold

Categories: Electronic Components & Supplies, Active Components

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

$7.94 $7.94

33 sold

Categories: Electronic Components & Supplies, Active Components

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10pcs / One way relay module 5V low-level trigger (relay expansion board) 10pcs / One way relay module 5V low-level trigger (relay expansion board)

10pcs / One way relay module 5V low-level trigger (relay expansion board)

$70.00 $70.00

Categories: Electronic Components & Supplies, Active Components

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5V 12V low level trigger 1 2 4 8 16 Channel Relay Module interface Board Shield For PIC AVR DSP ARM MCU Arduino 5V 12V low level trigger 1 2 4 8 16 Channel Relay Module interface Board Shield For PIC AVR DSP ARM MCU Arduino

5V 12V low level trigger 1 2 4 8 16 Channel Relay Module interface Board Shield For PIC AVR DSP ARM MCU Arduino

$1.25 $1.25

84 sold

Categories: Electronic Components & Supplies, Active Components

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AEAK 10PCS 12V low level trigger One 1 Channel Relay Module interface Board Shield For PIC AVR DSP ARM MCU Arduino AEAK 10PCS 12V low level trigger One 1 Channel Relay Module interface Board Shield For PIC AVR DSP ARM MCU Arduino

AEAK 10PCS 12V low level trigger One 1 Channel Relay Module interface Board Shield For PIC AVR DSP ARM MCU Arduino

$6.12 $6.12

1 sold

Categories: Electronic Components & Supplies, Active Components

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1 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler 12V Relay Module Support High and Low Level Trigger for Arduino 1 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler 12V Relay Module Support High and Low Level Trigger for Arduino

1 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler 12V Relay Module Support High and Low Level Trigger for Arduino

$63.41 $63.41

Categories: Electronic Components & Supplies, Active Components

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four 4 channel relay module 30A with optocoupler isolation 5v supports high and low Triger trigger for Smart home four 4 channel relay module 30A with optocoupler isolation 5v supports high and low Triger trigger for Smart home

four 4 channel relay module 30A with optocoupler isolation 5v supports high and low Triger trigger for Smart home

$48.83 $48.83

Categories: Electronic Components & Supplies, Active Components

Buy Now
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

$8.50 $8.50

10 sold

Categories: Electronic Components & Supplies, Active Components

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67% off
5PCS Active Buzzer Low Level Modules 3.3V-5V Buzzer Module Low Level Trigger 3 Pin Buzzer Alarm Module Electronic Component 5PCS Active Buzzer Low Level Modules 3.3V-5V Buzzer Module Low Level Trigger 3 Pin Buzzer Alarm Module Electronic Component

5PCS Active Buzzer Low Level Modules 3.3V-5V Buzzer Module Low Level Trigger 3 Pin Buzzer Alarm Module Electronic Component

$46.62 $142.11

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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30% off
1-Channel relay module 5V 9V 12V 24V with optocoupler red board relay module supports high and low level trigger 1-Channel relay module 5V 9V 12V 24V with optocoupler red board relay module supports high and low level trigger

1-Channel relay module 5V 9V 12V 24V with optocoupler red board relay module supports high and low level trigger

$8.88 $12.69

Categories: Electronic Components & Supplies, Active Components

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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

$8.63 $8.63

10 sold

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 Hl50t 24v50w/60w Power Voice Broadcast Prompt Module High And Low Level Trigger One-to-one Mp3 Playback Hl50t

24v50w/60w Power Voice Broadcast Prompt Module High And Low Level Trigger One-to-one Mp3 Playback Hl50t

$52.00 $52.00

Categories: Electronic Components & Supplies, Active Components

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29% off
HAILANGNIAO 10pcs 2-channel New 2 channel relay module relay expansion board 5V low level triggered 2-way relay module HAILANGNIAO 10pcs 2-channel New 2 channel relay module relay expansion board 5V low level triggered 2-way relay module

HAILANGNIAO 10pcs 2-channel New 2 channel relay module relay expansion board 5V low level triggered 2-way relay module

$7.37 $10.38

Categories: Electronic Components & Supplies, Active Components

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50% off
MP3 WAV Mono Voice Playback Module Low-level Trigger GND DY-HL50T 60W Class D Power Amplifier TF Card USB DC 9V-24V MP3 WAV Mono Voice Playback Module Low-level Trigger GND DY-HL50T 60W Class D Power Amplifier TF Card USB DC 9V-24V

MP3 WAV Mono Voice Playback Module Low-level Trigger GND DY-HL50T 60W Class D Power Amplifier TF Card USB DC 9V-24V

$9.53 $19.06

4 sold

Categories: Electronic Components & Supplies, Active Components

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40% 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

$7.55 $12.58

Categories: Electronic Components & Supplies, Active Components

Buy Now
1PCS DC 5V 12V 24V 8 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for Arduino Raspberry Pi 1PCS DC 5V 12V 24V 8 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for Arduino Raspberry Pi

1PCS DC 5V 12V 24V 8 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for Arduino Raspberry Pi

$8.92 $8.92

Categories: Electronic Components & Supplies, Active Components

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four 4 channel relay module 30A with optocoupler isolation 5v supports high and low Triger trigger for Smart home four 4 channel relay module 30A with optocoupler isolation 5v supports high and low Triger trigger for Smart home

four 4 channel relay module 30A with optocoupler isolation 5v supports high and low Triger trigger for Smart home

$51.52 $51.52

Categories: Electronic Components & Supplies, Active Components

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10% off
8-way Low-level Trigger Solid State Relay Solid State Relay with Fuse / 250V2A 8-way Low-level Trigger Solid State Relay Solid State Relay with Fuse / 250V2A

8-way Low-level Trigger Solid State Relay Solid State Relay with Fuse / 250V2A

$60.72 $67.47

Categories: Electronic Components & Supplies, Active Components

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5pcs / 1 relay module with optocoupler isolation expansion board 5V/12V supports high and low level triggering 5pcs / 1 relay module with optocoupler isolation expansion board 5V/12V supports high and low level triggering

5pcs / 1 relay module with optocoupler isolation expansion board 5V/12V supports high and low level triggering

$60.00 $60.00

Categories: Electronic Components & Supplies, Active Components

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10pcs 1 2 4 6 8 Channel 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger For arduino 10pcs 1 2 4 6 8 Channel 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger For arduino

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