购买 elegoo relay module

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$2.60
$2.66
Dual Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High And Low Level
AliExpress
$2.60
$2.66
Dual Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High And Low Level
AliExpress
$118.68
1 Pcs For UNO R3 Arduino PLC RS485 Remote IO DIY ADC Collection Relay Module DC 7-30V 6AI-6DI-4DO Multifunction Expanding Board(Only Board)
Amazon.com
Free shipping
$118.68
1 Pcs For UNO R3 Arduino PLC RS485 Remote IO DIY ADC Collection Relay Module DC 7-30V 6AI-6DI-4DO Multifunction Expanding Board(Only Board)
Amazon.com
$239.70
Lutron RMJ-H20R-DV-B Powpak 20 A Relay Module 120-277 V
Electric Bargain Store
$239.70
Lutron RMJ-H20R-DV-B Powpak 20 A Relay Module 120-277 V
Electric Bargain Store
$4.45
1PCS 1/2/4 Channel 3V 5V 12V Relay Module Board 3.3V Low Level Shooting With Lamp
AliExpress
$4.45
1PCS 1/2/4 Channel 3V 5V 12V Relay Module Board 3.3V Low Level Shooting With Lamp
AliExpress
$28.22
Altronix Relay Module 12/24VDC 30Ma SPDT: Relay Module, 12/24V DC Model: RBUL
Grainger
$28.22
Altronix Relay Module 12/24VDC 30Ma SPDT: Relay Module, 12/24V DC Model: RBUL
Grainger
$14.99
DIANN 30A 4 Channel Relay Module 5V Relay Module Expansion Board High Low Level Trigger With With Optocoupler Isolation For PLC Automation Equipment
Amazon.com
$14.99
DIANN 30A 4 Channel Relay Module 5V Relay Module Expansion Board High Low Level Trigger With With Optocoupler Isolation For PLC Automation Equipment
Amazon.com
$48.44
$51.29
Emylo Smart Wifi Light Switch Wireless Relay Switch Module Remote Control Home Automation Timers Compatible With Alexa Echo Google Home iPhone Android
Amazon.com
Free shipping
$48.44
$51.29
Emylo Smart Wifi Light Switch Wireless Relay Switch Module Remote Control Home Automation Timers Compatible With Alexa Echo Google Home iPhone Android
Amazon.com
$3.83
12V 4 Channel Relay Module With Optocoupler High And Low Level Trigger
eBay
$3.83
12V 4 Channel Relay Module With Optocoupler High And Low Level Trigger
eBay
$18.98
RS PRO 1441578 | INTERFACE RELAY MODULE SPDT SCREW 12VAC/12VDC DIN RAIL | Relay Modules
RS
$18.98
RS PRO 1441578 | INTERFACE RELAY MODULE SPDT SCREW 12VAC/12VDC DIN RAIL | Relay Modules
RS
$12.85
$21.10
Altronix RB1224 Relay Module
BSA Security Integrators
折扣 39%
$12.85
$21.10
Altronix RB1224 Relay Module
BSA Security Integrators
$4.22
$4.33
3V 3.3V 4 Channel Relay Module Low Level Trigger With Lamp Relay Output 4 Way Relay Module For
AliExpress
$4.22
$4.33
3V 3.3V 4 Channel Relay Module Low Level Trigger With Lamp Relay Output 4 Way Relay Module For
AliExpress
$0.80
$1.08
2 Channel Relay Module DC 5V 9V 12V 24V High And Low Level Trigger Relay Control With Optocoupler
AliExpress
折扣 25%
$0.80
$1.08
2 Channel Relay Module DC 5V 9V 12V 24V High And Low Level Trigger Relay Control With Optocoupler
AliExpress
$29.21
Altronix Relay Module 6/12VDC 120Ma DPDT: Relay Module, 6/12V DC Model: RB5
Grainger
$29.21
Altronix Relay Module 6/12VDC 120Ma DPDT: Relay Module, 6/12V DC Model: RB5
Grainger
$13.17
Dc5-80V Esp32 Wifi Relay Board 1 Way Relay Module Development Board
eBay
$13.17
Dc5-80V Esp32 Wifi Relay Board 1 Way Relay Module Development Board
eBay
$2.27
$4.49
5V 2 Channel Relay Module With Optocoupler Isolation Compatible Arduino ESP32 Raspberry Pi PLC DIY
AliExpress
Free shipping
折扣 49%
$2.27
$4.49
5V 2 Channel Relay Module With Optocoupler Isolation Compatible Arduino ESP32 Raspberry Pi PLC DIY
AliExpress
$1.67
$2.49
ESP8266 ESP-01S 5V Wifi Relay Module Things Smart Home Remote Control Switch For Arduino Phone APP
Aliexpress
折扣 32%
$1.67
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ESP8266 ESP-01S 5V Wifi Relay Module Things Smart Home Remote Control Switch For Arduino Phone APP
Aliexpress
$7.99
Esp8266 Relay Module Smart Home Phone Remote Control Switch App
eBay
Free shipping
$7.99
Esp8266 Relay Module Smart Home Phone Remote Control Switch App
eBay
$2.48
Hiletgo 2Pcs 5V One Channel Relay Module Relay Switch With Opto Isolation High Low Level Trigger
kreaagency
$2.48
Hiletgo 2Pcs 5V One Channel Relay Module Relay Switch With Opto Isolation High Low Level Trigger
kreaagency
$1.34
$1.72
1PCS 4 Channel DC 3V 5V 12V Relay Module Board 3.3V Low Level Trigger With Lamp
AliExpress
折扣 22%
$1.34
$1.72
1PCS 4 Channel DC 3V 5V 12V Relay Module Board 3.3V Low Level Trigger With Lamp
AliExpress
$9.03
Seeed Studio 103020132 Relay Module, Arduino/Raspberry Pi | Relay Boards
Newark
$9.03
Seeed Studio 103020132 Relay Module, Arduino/Raspberry Pi | Relay Boards
Newark
$1.76
5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 16Way Relay Module For Arduino PLC
AliExpress
$1.76
5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 16Way Relay Module For Arduino PLC
AliExpress
$1.69
$3.56
1PCS 5V 12V 24V 1/2/4/8 Channel Relay Module Board With Optocoupler Isolation Compatible With
AliExpress
折扣 52%
$1.69
$3.56
1PCS 5V 12V 24V 1/2/4/8 Channel Relay Module Board With Optocoupler Isolation Compatible With
AliExpress
$0.20
$0.40
5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 Way Relay Module For Arduino
AliExpress
Free shipping
折扣 50%
$0.20
$0.40
5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 Way Relay Module For Arduino
AliExpress
$11.00
Relay Module 8Ch 10A Dc 12V-36V 8 Channel Relay With Remote Control
eBay
$11.00
Relay Module 8Ch 10A Dc 12V-36V 8 Channel Relay With Remote Control
eBay
$20.14
Altronix 12 And 24 Volt DC Relay Module RB1224
DkHardware.com
$20.14
Altronix 12 And 24 Volt DC Relay Module RB1224
DkHardware.com
$1.58
1-50Pcs KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay
AliExpress
$1.58
1-50Pcs KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay
AliExpress
$0.62
$0.88
5V 12V 24V Relay Module - 1/2/4/6/8 Channel With Optocoupler, Relay Output For Arduino, 1-8 Way
AliExpress
折扣 29%
$0.62
$0.88
5V 12V 24V Relay Module - 1/2/4/6/8 Channel With Optocoupler, Relay Output For Arduino, 1-8 Way
AliExpress
$2.99
Dfrobot DFR0017 Digital 5A Relay Mod, Arduino Compatible | Embedded Development Kit Accessories - Other Embedded Computers
Newark
$2.99
Dfrobot DFR0017 Digital 5A Relay Mod, Arduino Compatible | Embedded Development Kit Accessories - Other Embedded Computers
Newark
$70.36
789-1544: Wago | Relay Modules
Galco Industrial Electronics
$70.36
789-1544: Wago | Relay Modules
Galco Industrial Electronics
$29.19
ALTRONIX Relay Module Heavy Load 12/24V 95Ma SPDT, Relay, -, RB30
Zoro.com
$29.19
ALTRONIX Relay Module Heavy Load 12/24V 95Ma SPDT, Relay, -, RB30
Zoro.com
$18.98
RS PRO 1441584 | DIN RAIL INTERFACE RELAY MODULE SPDT 12VDC 8A -40 TO +85C SCREW TERM | Relay Modules
RS
$18.98
RS PRO 1441584 | DIN RAIL INTERFACE RELAY MODULE SPDT 12VDC 8A -40 TO +85C SCREW TERM | Relay Modules
RS
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Relay Elegoo Arduino Tutorial - Most Complete Starter Kit
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在视频中查找 04:31Wiring the Relay
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购买 elegoo relay module

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$2.60
$2.66
Dual Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High And Low Level
AliExpress
$2.60
$2.66
Dual Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High And Low Level
AliExpress
$118.68
1 Pcs For UNO R3 Arduino PLC RS485 Remote IO DIY ADC Collection Relay Module DC 7-30V 6AI-6DI-4DO Multifunction Expanding Board(Only Board)
Amazon.com
Free shipping
$118.68
1 Pcs For UNO R3 Arduino PLC RS485 Remote IO DIY ADC Collection Relay Module DC 7-30V 6AI-6DI-4DO Multifunction Expanding Board(Only Board)
Amazon.com
$239.70
Lutron RMJ-H20R-DV-B Powpak 20 A Relay Module 120-277 V
Electric Bargain Store
$239.70
Lutron RMJ-H20R-DV-B Powpak 20 A Relay Module 120-277 V
Electric Bargain Store
$4.45
1PCS 1/2/4 Channel 3V 5V 12V Relay Module Board 3.3V Low Level Shooting With Lamp
AliExpress
$4.45
1PCS 1/2/4 Channel 3V 5V 12V Relay Module Board 3.3V Low Level Shooting With Lamp
AliExpress
$28.22
Altronix Relay Module 12/24VDC 30Ma SPDT: Relay Module, 12/24V DC Model: RBUL
Grainger
$28.22
Altronix Relay Module 12/24VDC 30Ma SPDT: Relay Module, 12/24V DC Model: RBUL
Grainger
$14.99
DIANN 30A 4 Channel Relay Module 5V Relay Module Expansion Board High Low Level Trigger With With Optocoupler Isolation For PLC Automation Equipment
Amazon.com
$14.99
DIANN 30A 4 Channel Relay Module 5V Relay Module Expansion Board High Low Level Trigger With With Optocoupler Isolation For PLC Automation Equipment
Amazon.com
$48.44
$51.29
Emylo Smart Wifi Light Switch Wireless Relay Switch Module Remote Control Home Automation Timers Compatible With Alexa Echo Google Home iPhone Android
Amazon.com
Free shipping
$48.44
$51.29
Emylo Smart Wifi Light Switch Wireless Relay Switch Module Remote Control Home Automation Timers Compatible With Alexa Echo Google Home iPhone Android
Amazon.com
$3.83
12V 4 Channel Relay Module With Optocoupler High And Low Level Trigger
eBay
$3.83
12V 4 Channel Relay Module With Optocoupler High And Low Level Trigger
eBay
$18.98
RS PRO 1441578 | INTERFACE RELAY MODULE SPDT SCREW 12VAC/12VDC DIN RAIL | Relay Modules
RS
$18.98
RS PRO 1441578 | INTERFACE RELAY MODULE SPDT SCREW 12VAC/12VDC DIN RAIL | Relay Modules
RS
$12.85
$21.10
Altronix RB1224 Relay Module
BSA Security Integrators
折扣 39%
$12.85
$21.10
Altronix RB1224 Relay Module
BSA Security Integrators
$4.22
$4.33
3V 3.3V 4 Channel Relay Module Low Level Trigger With Lamp Relay Output 4 Way Relay Module For
AliExpress
$4.22
$4.33
3V 3.3V 4 Channel Relay Module Low Level Trigger With Lamp Relay Output 4 Way Relay Module For
AliExpress
$0.80
$1.08
2 Channel Relay Module DC 5V 9V 12V 24V High And Low Level Trigger Relay Control With Optocoupler
AliExpress
折扣 25%
$0.80
$1.08
2 Channel Relay Module DC 5V 9V 12V 24V High And Low Level Trigger Relay Control With Optocoupler
AliExpress
$29.21
Altronix Relay Module 6/12VDC 120Ma DPDT: Relay Module, 6/12V DC Model: RB5
Grainger
$29.21
Altronix Relay Module 6/12VDC 120Ma DPDT: Relay Module, 6/12V DC Model: RB5
Grainger