购买 arduino relay switch

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5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
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5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
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Relay/analog Combo Module: 6-pt in, 3-pt out, 3-ch in, 2-ch out (PN# AS3-ACI)
Automation Direct
$230.00
Relay/analog Combo Module: 6-pt in, 3-pt out, 3-ch in, 2-ch out (PN# AS3-ACI)
Automation Direct
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5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (24V)
Amazon.com
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5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (24V)
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Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
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76
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Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
Amazon.com
$159.00
MIDI Solutions Relay MIDI Event-Controlled Relay MIDI Relay Switch With 1 X MIDI Input, 1 X MIDI Through, And 1 X 1/4" Relay Output
Sweetwater
$159.00
MIDI Solutions Relay MIDI Event-Controlled Relay MIDI Relay Switch With 1 X MIDI Input, 1 X MIDI Through, And 1 X 1/4" Relay Output
Sweetwater
$8.99
AEDIKO 10Pcs 5V 1 Channel Relay Module Low Level Trigger Expansion Plate Load Controlled Switch Module
Amazon.com
5
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AEDIKO 10Pcs 5V 1 Channel Relay Module Low Level Trigger Expansion Plate Load Controlled Switch Module
Amazon.com
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
377
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Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
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Aliexpress
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5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler Relay
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Two 2 Channel DC 5V 12V 24V Relay Module 30A Optocoupler Isolation Module High And Low Level Trigger
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Two 2 Channel DC 5V 12V 24V Relay Module 30A Optocoupler Isolation Module High And Low Level Trigger
Aliexpress
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12V Relay 1 2 4 8 Channel SSR High Low Level Solid State Relay Module 250V 2A For Arduino 5V Relay
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12V Relay 1 2 4 8 Channel SSR High Low Level Solid State Relay Module 250V 2A For Arduino 5V Relay
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5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
Amazon.com
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5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
Amazon.com
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5V 1 2 4 8 Channel Relay Module With Optocoupler.Output X Way For Arduino 1CH 2CH 4CH 8CH
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5V 1 2 4 8 Channel Relay Module With Optocoupler.Output X Way For Arduino 1CH 2CH 4CH 8CH
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Arduino 4 Relays Shield [A000110] - 4-Channel Relay Module, 5V Control, 10A Rating, Opto-Isolated, Supports AC/DC Loads, Compatible With Arduino IDE
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Arduino 4 Relays Shield [A000110] - 4-Channel Relay Module, 5V Control, 10A Rating, Opto-Isolated, Supports AC/DC Loads, Compatible With Arduino IDE
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5V 1 2 4 8 Channel Relay Module With Optocoupler.Output X Way For Arduino 1CH 2CH 4CH 8CH
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5V 1 2 4 8 Channel Relay Module With Optocoupler.Output X Way For Arduino 1CH 2CH 4CH 8CH
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5V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler Relay
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5V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler Relay
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5V/12V/24V 16 Channel Relay Module For Arduino ARM PIC AVR DSP Electronic Relay Plate Belt
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1PCS 5V 4 Channel Relay Module With Optocoupler Relay Output 4 Way Relay Module For Arduino Relays
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1Pcs 5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler
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DC 5V 12V 24V 4 Channel Pro Mini PLC Board Relay Shield Module For Arduiuo Delay Timer Switch
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DC 5V 12V 24V 4 Channel Pro Mini PLC Board Relay Shield Module For Arduiuo Delay Timer Switch
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DC 5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler
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DC 5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler
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Hi-Q 5V 12V 1 2 4 8 16 Way Channel Relay Module Support High And Low Level Trigger For Arduino
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8-Channel 5V Relay Module For Arduino Raspberry Pi US
SainSmart.com
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SainSmart.com
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5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 16Way Relay Module For Arduino PLC
Aliexpress
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5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 16Way Relay Module For Arduino PLC
Aliexpress
$112.00
Relay/analog Combo Module: 6-pt in, 4-pt out, 3-ch in, 2-ch out (PN# 14742129)
Automation Direct
$112.00
Relay/analog Combo Module: 6-pt in, 4-pt out, 3-ch in, 2-ch out (PN# 14742129)
Automation Direct
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$1.88
1 Channel 5V 12V Relay Module Board Shield For Arduino With Optocoupler Support High And Low Level
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1 Channel 5V 12V Relay Module Board Shield For Arduino With Optocoupler Support High And Low Level
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Grove Relay Module Arduino Compatible 10A 250V
Jameco Electronics
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Grove Relay Module Arduino Compatible 10A 250V
Jameco Electronics
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3V 3.3V 1 Channel/2 Channel/4 Channel Relay Module Low Level Trigger With Photorelay Output Arduino
Aliexpress
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3V 3.3V 1 Channel/2 Channel/4 Channel Relay Module Low Level Trigger With Photorelay Output Arduino
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Relay Module 30A High Power 2-Channel AC100V-250V DC 5V High Current High Low Level Trigger Switch Module
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84
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Relay Module 30A High Power 2-Channel AC100V-250V DC 5V High Current High Low Level Trigger Switch Module
Amazon.com
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5V 12V 24V 2 4 6 8 Way Relay Module For Arduino 2 4 6 8 16 Channel Power Module With Optocoupler
Aliexpress
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5V 12V 24V 2 4 6 8 Way Relay Module For Arduino 2 4 6 8 16 Channel Power Module With Optocoupler
Aliexpress
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5V 12V 24V Relay Module - 1/2/4/6/8 Channel With Optocoupler, Relay Output For Arduino, 1-8 Way
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1 2 4 8 Channel 5V 12V Relay Module With Optocoupler, High Low Level Trigger Shield For Arduino PIC
Aliexpress
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1 2 4 8 Channel 5V 12V Relay Module With Optocoupler, High Low Level Trigger Shield For Arduino PIC
Aliexpress
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Relay Module 5V 12V 24V With Optocoupler Relay Output 1/2/4/6/8Way Relay Module For Arduino PLC
Aliexpress
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Relay Module 5V 12V 24V With Optocoupler Relay Output 1/2/4/6/8Way Relay Module For Arduino PLC
Aliexpress
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8 Channel Pro Mini PLC Relay Shield Module For Arduino - Multifunction Delay Timer Switch Board
Aliexpress
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8 Channel Pro Mini PLC Relay Shield Module For Arduino - Multifunction Delay Timer Switch Board
Aliexpress
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1PCS 5V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay
Aliexpress
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$2.91
1PCS 5V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay
Aliexpress
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KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay
Aliexpress
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KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay
Aliexpress
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5V Relay 1 2 4 8 Channel SSR High Low Level Solid State Relay Module 250V 2A For Arduino
Aliexpress
$2.63
5V Relay 1 2 4 8 Channel SSR High Low Level Solid State Relay Module 250V 2A For Arduino
Aliexpress
Arduino Relay Control Tutorial
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Arduino Relay Control Tutorial
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购买 arduino relay switch

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$3.66
$7.33
5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
Aliexpress
折扣 50%
$3.66
$7.33
5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
Aliexpress
$230.00
Relay/analog Combo Module: 6-pt in, 3-pt out, 3-ch in, 2-ch out (PN# AS3-ACI)
Automation Direct
$230.00
Relay/analog Combo Module: 6-pt in, 3-pt out, 3-ch in, 2-ch out (PN# AS3-ACI)
Automation Direct
$2.71
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (24V)
Amazon.com
$2.71
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (24V)
Amazon.com
$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
Amazon.com
76
$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
Amazon.com
$159.00
MIDI Solutions Relay MIDI Event-Controlled Relay MIDI Relay Switch With 1 X MIDI Input, 1 X MIDI Through, And 1 X 1/4" Relay Output
Sweetwater
$159.00
MIDI Solutions Relay MIDI Event-Controlled Relay MIDI Relay Switch With 1 X MIDI Input, 1 X MIDI Through, And 1 X 1/4" Relay Output
Sweetwater
$8.99
AEDIKO 10Pcs 5V 1 Channel Relay Module Low Level Trigger Expansion Plate Load Controlled Switch Module
Amazon.com
5
$8.99
AEDIKO 10Pcs 5V 1 Channel Relay Module Low Level Trigger Expansion Plate Load Controlled Switch Module
Amazon.com
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
377
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
$1.37
$3.80
5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler Relay
Aliexpress
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5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler Relay
Aliexpress
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$5.87
Two 2 Channel DC 5V 12V 24V Relay Module 30A Optocoupler Isolation Module High And Low Level Trigger
Aliexpress
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$5.87
Two 2 Channel DC 5V 12V 24V Relay Module 30A Optocoupler Isolation Module High And Low Level Trigger
Aliexpress
$2.34
12V Relay 1 2 4 8 Channel SSR High Low Level Solid State Relay Module 250V 2A For Arduino 5V Relay
Aliexpress
$2.34
12V Relay 1 2 4 8 Channel SSR High Low Level Solid State Relay Module 250V 2A For Arduino 5V Relay
Aliexpress
$2.71
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
Amazon.com
$2.71
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
Amazon.com
$1.76
$3.51
5V 1 2 4 8 Channel Relay Module With Optocoupler.Output X Way For Arduino 1CH 2CH 4CH 8CH
Aliexpress
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$3.51
5V 1 2 4 8 Channel Relay Module With Optocoupler.Output X Way For Arduino 1CH 2CH 4CH 8CH
Aliexpress
$28.40
Arduino 4 Relays Shield [A000110] - 4-Channel Relay Module, 5V Control, 10A Rating, Opto-Isolated, Supports AC/DC Loads, Compatible With Arduino IDE
Amazon.com
36
$28.40
Arduino 4 Relays Shield [A000110] - 4-Channel Relay Module, 5V Control, 10A Rating, Opto-Isolated, Supports AC/DC Loads, Compatible With Arduino IDE
Amazon.com
$0.80
5V 1 2 4 8 Channel Relay Module With Optocoupler.Output X Way For Arduino 1CH 2CH 4CH 8CH
Aliexpress
$0.80
5V 1 2 4 8 Channel Relay Module With Optocoupler.Output X Way For Arduino 1CH 2CH 4CH 8CH
Aliexpress
$1.25
5V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler Relay
Aliexpress
$1.25
5V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler Relay
Aliexpress
$9.39
5V/12V/24V 16 Channel Relay Module For Arduino ARM PIC AVR DSP Electronic Relay Plate Belt
Aliexpress
$9.39
5V/12V/24V 16 Channel Relay Module For Arduino ARM PIC AVR DSP Electronic Relay Plate Belt
Aliexpress
$3.30
$6.55
1PCS 5V 4 Channel Relay Module With Optocoupler Relay Output 4 Way Relay Module For Arduino Relays
Aliexpress
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$3.30
$6.55
1PCS 5V 4 Channel Relay Module With Optocoupler Relay Output 4 Way Relay Module For Arduino Relays
Aliexpress
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$5.39
1Pcs 5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler
Aliexpress
Free shipping
折扣 48%
$2.78
$5.39
1Pcs 5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler
Aliexpress