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51% off
5PCS 1 Channel Relay Module 5V Shield Board SRD 05VDC SL C 20cm 20Pin Dupont Cable Parts Set for Arduino AVR ARM PIC 5PCS 1 Channel Relay Module 5V Shield Board SRD 05VDC SL C 20cm 20Pin Dupont Cable Parts Set for Arduino AVR ARM PIC

5PCS 1 Channel Relay Module 5V Shield Board SRD 05VDC SL C 20cm 20Pin Dupont Cable Parts Set for Arduino AVR ARM PIC

$79.13$161.49

51% off
1 Channel 5V Relay Module for Arduino PIC AVR ARM DSP SRD-05VDC-SL-C Low Level Trigger Relay Board for Smart Home & DIY 1 Channel 5V Relay Module for Arduino PIC AVR ARM DSP SRD-05VDC-SL-C Low Level Trigger Relay Board for Smart Home & DIY

1 Channel 5V Relay Module for Arduino PIC AVR ARM DSP SRD-05VDC-SL-C Low Level Trigger Relay Board for Smart Home & DIY

$59.99$122.43

M5Stack Official Solid State Relay Unit (BT136S) M5Stack Official Solid State Relay Unit (BT136S)

M5Stack Official Solid State Relay Unit (BT136S)

$6.50$6.50

5 sold
58% off
JULY 2026 A+Universal Frequency 300-868MHz Receiver 2CH 12V 24V Relay Module Garage Door Remote Control 433.92MHz 868MHz JULY 2026 A+Universal Frequency 300-868MHz Receiver 2CH 12V 24V Relay Module Garage Door Remote Control 433.92MHz 868MHz

JULY 2026 A+Universal Frequency 300-868MHz Receiver 2CH 12V 24V Relay Module Garage Door Remote Control 433.92MHz 868MHz

$47.05$112.02

Photodiode sensor 5V relay light control switch module photoelectric light detection with light absorption Photodiode sensor 5V relay light control switch module photoelectric light detection with light absorption

Photodiode sensor 5V relay light control switch module photoelectric light detection with light absorption

$33.26$33.26

ESP32-S3 Development Board 4 inch 480x480 LCD TouchScreen Display RS485 /SHT20 /Relay For Arduino LVGL 86 TVbox ESP32-S3 Development Board 4 inch 480x480 LCD TouchScreen Display RS485 /SHT20 /Relay For Arduino LVGL 86 TVbox

ESP32-S3 Development Board 4 inch 480x480 LCD TouchScreen Display RS485 /SHT20 /Relay For Arduino LVGL 86 TVbox

$8.06$8.06

31 sold
M5Stack Official 2-Channel SPST Relay Unit M5Stack Official 2-Channel SPST Relay Unit

M5Stack Official 2-Channel SPST Relay Unit

$6.50$6.50

33 sold
Apple Android BLE Switch 2-way Relay Mobile Wireless Remote Control Bluetooth Door Opening Module ZLRC02 Apple Android BLE Switch 2-way Relay Mobile Wireless Remote Control Bluetooth Door Opening Module ZLRC02

Apple Android BLE Switch 2-way Relay Mobile Wireless Remote Control Bluetooth Door Opening Module ZLRC02

$69.50$69.50

EXT-RELAY Relay Extension

EXT-RELAY Relay Extension

$103.00$103.00

65% off
462B Industrials Soft Start Control Board 2400W 100A Relays Module With Circuit Protections For Machinery DIY And Laboratory Use 462B Industrials Soft Start Control Board 2400W 100A Relays Module With Circuit Protections For Machinery DIY And Laboratory Use

462B Industrials Soft Start Control Board 2400W 100A Relays Module With Circuit Protections For Machinery DIY And Laboratory Use

$29.68$84.79

44% off
A46U 1-Channel 30A Relay Module AC220V Power Supply WIFI Bluetooth Relay Module Development Board A46U 1-Channel 30A Relay Module AC220V Power Supply WIFI Bluetooth Relay Module Development Board

A46U 1-Channel 30A Relay Module AC220V Power Supply WIFI Bluetooth Relay Module Development Board

$11.27$20.13

50% off
Estardyn DC 6-30V Digital Time Delay Relay Programmable Timer Control Switch LED Display Trigger Cycle Module with Case Estardyn DC 6-30V Digital Time Delay Relay Programmable Timer Control Switch LED Display Trigger Cycle Module with Case

Estardyn DC 6-30V Digital Time Delay Relay Programmable Timer Control Switch LED Display Trigger Cycle Module with Case

$65.74$131.49

3 sold
4Pcs Single-Chip Relay Module 5V Control Relay Board with Activation LED Efficient Coil Impedance for Sbc Projects Home 4Pcs Single-Chip Relay Module 5V Control Relay Board with Activation LED Efficient Coil Impedance for Sbc Projects Home

4Pcs Single-Chip Relay Module 5V Control Relay Board with Activation LED Efficient Coil Impedance for Sbc Projects Home

$49.54$49.54

22% off
Raspberry Pi Pico/Pico W Breakout HAT Board Kit Support 4-channel Relay/GeeekPi DockerPi Series HAT Sensor Hub Raspberry Pi Pico/Pico W Breakout HAT Board Kit Support 4-channel Relay/GeeekPi DockerPi Series HAT Sensor Hub

Raspberry Pi Pico/Pico W Breakout HAT Board Kit Support 4-channel Relay/GeeekPi DockerPi Series HAT Sensor Hub

$9.35$11.99

2 sold
43% off
3x Undervoltage Protection Module 12V Switch on Voltage Module for Relay 3x Undervoltage Protection Module 12V Switch on Voltage Module for Relay

3x Undervoltage Protection Module 12V Switch on Voltage Module for Relay

$6.92$12.14

16 Channel Relay Module 5V 12V Optocoupler Protection LM2596 Power Board 16 Channel Relay Module 5V 12V Optocoupler Protection LM2596 Power Board

16 Channel Relay Module 5V 12V Optocoupler Protection LM2596 Power Board

$76.00$76.00

HOT FRM01 Relay Module/Cycle/Self-Locking/Timing/Delay18 Functions CanBe Set MODULE

HOT FRM01 Relay Module/Cycle/Self-Locking/Timing/Delay18 Functions CanBe Set MODULE

$55.00$55.00

55% off
Well Made-ESP8285 Two-Way Wifi Development Board 220V Two-Way Modification Parts Multi-Function Two-Way Relay Development Board Well Made-ESP8285 Two-Way Wifi Development Board 220V Two-Way Modification Parts Multi-Function Two-Way Relay Development Board

Well Made-ESP8285 Two-Way Wifi Development Board 220V Two-Way Modification Parts Multi-Function Two-Way Relay Development Board

$3.33$7.40

4Pcs Single-Channel Relay Module Board for Appliance Control, Compatible with AVR Development Boards 4Pcs Single-Channel Relay Module Board for Appliance Control, Compatible with AVR Development Boards

4Pcs Single-Channel Relay Module Board for Appliance Control, Compatible with AVR Development Boards

$49.27$49.27

44% off
A46U ESPC2-12 Single-Channel Relay Module Development Board DC5-60V Power Supply, for A46U ESPC2-12 Single-Channel Relay Module Development Board DC5-60V Power Supply, for

A46U ESPC2-12 Single-Channel Relay Module Development Board DC5-60V Power Supply, for

$8.86$15.82

DDC-431 Digital LED Display Delay Controller Timer Delay Relay Switch DDC-431 Digital LED Display Delay Controller Timer Delay Relay Switch

DDC-431 Digital LED Display Delay Controller Timer Delay Relay Switch

$39.86$39.86

IDC10Pin 2.45mm IDC-10 Pin Male Connector to 10-Pin Terminal Block Breakout Board Adapter PLC Relay Terminals DIN Rail Mounting

IDC10Pin 2.45mm IDC-10 Pin Male Connector to 10-Pin Terminal Block Breakout Board Adapter PLC Relay Terminals DIN Rail Mounting

$6.85$6.85

4Pcs 1 Channel Relay Module 5V Dc Input for Development Boards Home Appliance Control Device Automation 4Pcs 1 Channel Relay Module 5V Dc Input for Development Boards Home Appliance Control Device Automation

4Pcs 1 Channel Relay Module 5V Dc Input for Development Boards Home Appliance Control Device Automation

$58.68$58.68

11% off
2pcs Mini Single Phase Solid State Relay SSR Aluminum Heat Sink Dissipation Radiator Newest Rail Mount For 10A-40A Relay 2pcs Mini Single Phase Solid State Relay SSR Aluminum Heat Sink Dissipation Radiator Newest Rail Mount For 10A-40A Relay

2pcs Mini Single Phase Solid State Relay SSR Aluminum Heat Sink Dissipation Radiator Newest Rail Mount For 10A-40A Relay

$9.79$11.00

70% off
P82A Power Control Module 2400W 100A Relays For Machinery Household Appliances P82A Power Control Module 2400W 100A Relays For Machinery Household Appliances

P82A Power Control Module 2400W 100A Relays For Machinery Household Appliances

$62.99$209.96

50% off
Estardyn XY-WJ01 DC 6-30V LCD Digital Time Delay Relay Module Programmable Timer Switch Trigger Cycle with Case Estardyn XY-WJ01 DC 6-30V LCD Digital Time Delay Relay Module Programmable Timer Switch Trigger Cycle with Case

Estardyn XY-WJ01 DC 6-30V LCD Digital Time Delay Relay Module Programmable Timer Switch Trigger Cycle with Case

$65.74$131.49

9 sold
11% off
Single Phase Solid State Relay SSR Regulator Base Plate Aluminum M-type Heat Sink Dissipation Radiator Rail Mount For 40A-100A Single Phase Solid State Relay SSR Regulator Base Plate Aluminum M-type Heat Sink Dissipation Radiator Rail Mount For 40A-100A

Single Phase Solid State Relay SSR Regulator Base Plate Aluminum M-type Heat Sink Dissipation Radiator Rail Mount For 40A-100A

$8.90$10.00

56% off
HDL 4 Channel Relay Module 30A DC7-28/5V WIFI Bluetooth Relay Module ESP32-WROOM Development Board HDL 4 Channel Relay Module 30A DC7-28/5V WIFI Bluetooth Relay Module ESP32-WROOM Development Board

HDL 4 Channel Relay Module 30A DC7-28/5V WIFI Bluetooth Relay Module ESP32-WROOM Development Board

$14.21$32.30

12V 16-way relay module control board, with optocoupler protection, with LM2576 12V 16-way relay module control board, with optocoupler protection, with LM2576

12V 16-way relay module control board, with optocoupler protection, with LM2576

$97.40$97.40

51% off
10PCS Speed Sensor Module Slot Type IR Optocoupler LM393 Board Parts Set for Arduino Groove Coupler 3.3V 5V Relay Buzzer 10PCS Speed Sensor Module Slot Type IR Optocoupler LM393 Board Parts Set for Arduino Groove Coupler 3.3V 5V Relay Buzzer

10PCS Speed Sensor Module Slot Type IR Optocoupler LM393 Board Parts Set for Arduino Groove Coupler 3.3V 5V Relay Buzzer

$80.55$164.39

1 sold
46% off
HDL 3.3V-5V 1-Channel Relay Module Adjustable Resistance Sensor for Arduino Development Board HDL 3.3V-5V 1-Channel Relay Module Adjustable Resistance Sensor for Arduino Development Board

HDL 3.3V-5V 1-Channel Relay Module Adjustable Resistance Sensor for Arduino Development Board

$5.46$10.11

ESP32-S3 4 inch LCD Touch Screen Display 480x480 RS485 /SHT20 /Relay Development Board For Arduino LVGL 86 TVbox ESP32-S3 4 inch LCD Touch Screen Display 480x480 RS485 /SHT20 /Relay Development Board For Arduino LVGL 86 TVbox

ESP32-S3 4 inch LCD Touch Screen Display 480x480 RS485 /SHT20 /Relay Development Board For Arduino LVGL 86 TVbox

$63.51$63.51

35 sold
29% off
587B 16 Channel Relays Module DC12V MODBUS RTU RS485 Relays Module Board PLC Controller 587B 16 Channel Relays Module DC12V MODBUS RTU RS485 Relays Module Board PLC Controller

587B 16 Channel Relays Module DC12V MODBUS RTU RS485 Relays Module Board PLC Controller

$13.99$19.70

41% off
Voltages Controlled Charging Board for 12V Batteries Featuring Relays and LED Indicators for Automatic Energy Saving 77JC Voltages Controlled Charging Board for 12V Batteries Featuring Relays and LED Indicators for Automatic Energy Saving 77JC

Voltages Controlled Charging Board for 12V Batteries Featuring Relays and LED Indicators for Automatic Energy Saving 77JC

$4.37$7.41

Bluetooth Relay module 8-way Bluetooth Remote Control Mobile Phone Bluetooth Relay module 8-way Bluetooth Remote Control Mobile Phone

Bluetooth Relay module 8-way Bluetooth Remote Control Mobile Phone

$69.74$69.74

USB Serial Port Relay Module 5V/12v/24v Optional Control USB Serial Port Relay Module 5V/12v/24v Optional Control

USB Serial Port Relay Module 5V/12v/24v Optional Control

$53.00$53.00

51% off
5PCS 1 Channel Relay Module 5V Shield Board SRD 05VDC SL C 20cm 20Pin Dupont Cable Parts Set for Arduino AVR ARM PIC 5PCS 1 Channel Relay Module 5V Shield Board SRD 05VDC SL C 20cm 20Pin Dupont Cable Parts Set for Arduino AVR ARM PIC

5PCS 1 Channel Relay Module 5V Shield Board SRD 05VDC SL C 20cm 20Pin Dupont Cable Parts Set for Arduino AVR ARM PIC

$79.13 $161.49

Categories: Computer & Office, Computer Components

Buy Now
51% off
1 Channel 5V Relay Module for Arduino PIC AVR ARM DSP SRD-05VDC-SL-C Low Level Trigger Relay Board for Smart Home & DIY 1 Channel 5V Relay Module for Arduino PIC AVR ARM DSP SRD-05VDC-SL-C Low Level Trigger Relay Board for Smart Home & DIY

1 Channel 5V Relay Module for Arduino PIC AVR ARM DSP SRD-05VDC-SL-C Low Level Trigger Relay Board for Smart Home & DIY

$59.99 $122.43

Categories: Computer & Office, Computer Components

Buy Now
M5Stack Official Solid State Relay Unit (BT136S) M5Stack Official Solid State Relay Unit (BT136S)

M5Stack Official Solid State Relay Unit (BT136S)

$6.50 $6.50

5 sold

Categories: Computer & Office, Computer Components

Buy Now
58% off
JULY 2026 A+Universal Frequency 300-868MHz Receiver 2CH 12V 24V Relay Module Garage Door Remote Control 433.92MHz 868MHz JULY 2026 A+Universal Frequency 300-868MHz Receiver 2CH 12V 24V Relay Module Garage Door Remote Control 433.92MHz 868MHz

JULY 2026 A+Universal Frequency 300-868MHz Receiver 2CH 12V 24V Relay Module Garage Door Remote Control 433.92MHz 868MHz

$47.05 $112.02

Categories: Computer & Office, Computer Components

Buy Now
Photodiode sensor 5V relay light control switch module photoelectric light detection with light absorption Photodiode sensor 5V relay light control switch module photoelectric light detection with light absorption

Photodiode sensor 5V relay light control switch module photoelectric light detection with light absorption

$33.26 $33.26

Categories: Computer & Office, Computer Components

Buy Now
ESP32-S3 Development Board 4 inch 480x480 LCD TouchScreen Display RS485 /SHT20 /Relay For Arduino LVGL 86 TVbox ESP32-S3 Development Board 4 inch 480x480 LCD TouchScreen Display RS485 /SHT20 /Relay For Arduino LVGL 86 TVbox

ESP32-S3 Development Board 4 inch 480x480 LCD TouchScreen Display RS485 /SHT20 /Relay For Arduino LVGL 86 TVbox

$8.06 $8.06

31 sold

Categories: Computer & Office, Computer Components

Buy Now
M5Stack Official 2-Channel SPST Relay Unit M5Stack Official 2-Channel SPST Relay Unit

M5Stack Official 2-Channel SPST Relay Unit

$6.50 $6.50

33 sold

Categories: Computer & Office, Computer Components

Buy Now
Apple Android BLE Switch 2-way Relay Mobile Wireless Remote Control Bluetooth Door Opening Module ZLRC02 Apple Android BLE Switch 2-way Relay Mobile Wireless Remote Control Bluetooth Door Opening Module ZLRC02

Apple Android BLE Switch 2-way Relay Mobile Wireless Remote Control Bluetooth Door Opening Module ZLRC02

$69.50 $69.50

Categories: Computer & Office, Computer Components

Buy Now
EXT-RELAY Relay Extension

EXT-RELAY Relay Extension

$103.00 $103.00

Categories: Computer & Office, Computer Components

Buy Now
65% off
462B Industrials Soft Start Control Board 2400W 100A Relays Module With Circuit Protections For Machinery DIY And Laboratory Use 462B Industrials Soft Start Control Board 2400W 100A Relays Module With Circuit Protections For Machinery DIY And Laboratory Use

462B Industrials Soft Start Control Board 2400W 100A Relays Module With Circuit Protections For Machinery DIY And Laboratory Use

$29.68 $84.79

Categories: Computer & Office, Computer Components

Buy Now
44% off
A46U 1-Channel 30A Relay Module AC220V Power Supply WIFI Bluetooth Relay Module Development Board A46U 1-Channel 30A Relay Module AC220V Power Supply WIFI Bluetooth Relay Module Development Board

A46U 1-Channel 30A Relay Module AC220V Power Supply WIFI Bluetooth Relay Module Development Board

$11.27 $20.13

Categories: Computer & Office, Computer Components

Buy Now
50% off
Estardyn DC 6-30V Digital Time Delay Relay Programmable Timer Control Switch LED Display Trigger Cycle Module with Case Estardyn DC 6-30V Digital Time Delay Relay Programmable Timer Control Switch LED Display Trigger Cycle Module with Case

Estardyn DC 6-30V Digital Time Delay Relay Programmable Timer Control Switch LED Display Trigger Cycle Module with Case

$65.74 $131.49

3 sold

Categories: Computer & Office, Computer Components

Buy Now
4Pcs Single-Chip Relay Module 5V Control Relay Board with Activation LED Efficient Coil Impedance for Sbc Projects Home 4Pcs Single-Chip Relay Module 5V Control Relay Board with Activation LED Efficient Coil Impedance for Sbc Projects Home

4Pcs Single-Chip Relay Module 5V Control Relay Board with Activation LED Efficient Coil Impedance for Sbc Projects Home

$49.54 $49.54

Categories: Computer & Office, Computer Components

Buy Now
22% off
Raspberry Pi Pico/Pico W Breakout HAT Board Kit Support 4-channel Relay/GeeekPi DockerPi Series HAT Sensor Hub Raspberry Pi Pico/Pico W Breakout HAT Board Kit Support 4-channel Relay/GeeekPi DockerPi Series HAT Sensor Hub

Raspberry Pi Pico/Pico W Breakout HAT Board Kit Support 4-channel Relay/GeeekPi DockerPi Series HAT Sensor Hub

$9.35 $11.99

2 sold

Categories: Computer & Office, Computer Components

Buy Now
43% off
3x Undervoltage Protection Module 12V Switch on Voltage Module for Relay 3x Undervoltage Protection Module 12V Switch on Voltage Module for Relay

3x Undervoltage Protection Module 12V Switch on Voltage Module for Relay

$6.92 $12.14

Categories: Computer & Office, Computer Components

Buy Now
16 Channel Relay Module 5V 12V Optocoupler Protection LM2596 Power Board 16 Channel Relay Module 5V 12V Optocoupler Protection LM2596 Power Board

16 Channel Relay Module 5V 12V Optocoupler Protection LM2596 Power Board

$76.00 $76.00

Categories: Computer & Office, Computer Components

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HOT FRM01 Relay Module/Cycle/Self-Locking/Timing/Delay18 Functions CanBe Set MODULE

HOT FRM01 Relay Module/Cycle/Self-Locking/Timing/Delay18 Functions CanBe Set MODULE

$55.00 $55.00

Categories: Computer & Office, Computer Components

Buy Now
55% off
Well Made-ESP8285 Two-Way Wifi Development Board 220V Two-Way Modification Parts Multi-Function Two-Way Relay Development Board Well Made-ESP8285 Two-Way Wifi Development Board 220V Two-Way Modification Parts Multi-Function Two-Way Relay Development Board

Well Made-ESP8285 Two-Way Wifi Development Board 220V Two-Way Modification Parts Multi-Function Two-Way Relay Development Board

$3.33 $7.40

Categories: Computer & Office, Computer Components

Buy Now
4Pcs Single-Channel Relay Module Board for Appliance Control, Compatible with AVR Development Boards 4Pcs Single-Channel Relay Module Board for Appliance Control, Compatible with AVR Development Boards

4Pcs Single-Channel Relay Module Board for Appliance Control, Compatible with AVR Development Boards

$49.27 $49.27

Categories: Computer & Office, Computer Components

Buy Now
44% off
A46U ESPC2-12 Single-Channel Relay Module Development Board DC5-60V Power Supply, for A46U ESPC2-12 Single-Channel Relay Module Development Board DC5-60V Power Supply, for

A46U ESPC2-12 Single-Channel Relay Module Development Board DC5-60V Power Supply, for

$8.86 $15.82

Categories: Computer & Office, Computer Components

Buy Now
DDC-431 Digital LED Display Delay Controller Timer Delay Relay Switch DDC-431 Digital LED Display Delay Controller Timer Delay Relay Switch

DDC-431 Digital LED Display Delay Controller Timer Delay Relay Switch

$39.86 $39.86

Categories: Computer & Office, Computer Components

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IDC10Pin 2.45mm IDC-10 Pin Male Connector to 10-Pin Terminal Block Breakout Board Adapter PLC Relay Terminals DIN Rail Mounting

IDC10Pin 2.45mm IDC-10 Pin Male Connector to 10-Pin Terminal Block Breakout Board Adapter PLC Relay Terminals DIN Rail Mounting

$6.85 $6.85

Categories: Computer & Office, Computer Components

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4Pcs 1 Channel Relay Module 5V Dc Input for Development Boards Home Appliance Control Device Automation 4Pcs 1 Channel Relay Module 5V Dc Input for Development Boards Home Appliance Control Device Automation

4Pcs 1 Channel Relay Module 5V Dc Input for Development Boards Home Appliance Control Device Automation

$58.68 $58.68

Categories: Computer & Office, Computer Components

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11% off
2pcs Mini Single Phase Solid State Relay SSR Aluminum Heat Sink Dissipation Radiator Newest Rail Mount For 10A-40A Relay 2pcs Mini Single Phase Solid State Relay SSR Aluminum Heat Sink Dissipation Radiator Newest Rail Mount For 10A-40A Relay

2pcs Mini Single Phase Solid State Relay SSR Aluminum Heat Sink Dissipation Radiator Newest Rail Mount For 10A-40A Relay

$9.79 $11.00

Categories: Computer & Office, Computer Components

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70% off
P82A Power Control Module 2400W 100A Relays For Machinery Household Appliances P82A Power Control Module 2400W 100A Relays For Machinery Household Appliances

P82A Power Control Module 2400W 100A Relays For Machinery Household Appliances

$62.99 $209.96

Categories: Computer & Office, Computer Components

Buy Now
50% off
Estardyn XY-WJ01 DC 6-30V LCD Digital Time Delay Relay Module Programmable Timer Switch Trigger Cycle with Case Estardyn XY-WJ01 DC 6-30V LCD Digital Time Delay Relay Module Programmable Timer Switch Trigger Cycle with Case

Estardyn XY-WJ01 DC 6-30V LCD Digital Time Delay Relay Module Programmable Timer Switch Trigger Cycle with Case

$65.74 $131.49

9 sold

Categories: Computer & Office, Computer Components

Buy Now
11% off
Single Phase Solid State Relay SSR Regulator Base Plate Aluminum M-type Heat Sink Dissipation Radiator Rail Mount For 40A-100A Single Phase Solid State Relay SSR Regulator Base Plate Aluminum M-type Heat Sink Dissipation Radiator Rail Mount For 40A-100A

Single Phase Solid State Relay SSR Regulator Base Plate Aluminum M-type Heat Sink Dissipation Radiator Rail Mount For 40A-100A

$8.90 $10.00

Categories: Computer & Office, Computer Components

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56% off
HDL 4 Channel Relay Module 30A DC7-28/5V WIFI Bluetooth Relay Module ESP32-WROOM Development Board HDL 4 Channel Relay Module 30A DC7-28/5V WIFI Bluetooth Relay Module ESP32-WROOM Development Board

HDL 4 Channel Relay Module 30A DC7-28/5V WIFI Bluetooth Relay Module ESP32-WROOM Development Board

$14.21 $32.30

Categories: Computer & Office, Computer Components

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12V 16-way relay module control board, with optocoupler protection, with LM2576 12V 16-way relay module control board, with optocoupler protection, with LM2576

12V 16-way relay module control board, with optocoupler protection, with LM2576

$97.40 $97.40

Categories: Computer & Office, Computer Components

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51% off
10PCS Speed Sensor Module Slot Type IR Optocoupler LM393 Board Parts Set for Arduino Groove Coupler 3.3V 5V Relay Buzzer 10PCS Speed Sensor Module Slot Type IR Optocoupler LM393 Board Parts Set for Arduino Groove Coupler 3.3V 5V Relay Buzzer

10PCS Speed Sensor Module Slot Type IR Optocoupler LM393 Board Parts Set for Arduino Groove Coupler 3.3V 5V Relay Buzzer

$80.55 $164.39

1 sold

Categories: Computer & Office, Computer Components

Buy Now
46% off
HDL 3.3V-5V 1-Channel Relay Module Adjustable Resistance Sensor for Arduino Development Board HDL 3.3V-5V 1-Channel Relay Module Adjustable Resistance Sensor for Arduino Development Board

HDL 3.3V-5V 1-Channel Relay Module Adjustable Resistance Sensor for Arduino Development Board

$5.46 $10.11

Categories: Computer & Office, Computer Components

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ESP32-S3 4 inch LCD Touch Screen Display 480x480 RS485 /SHT20 /Relay Development Board For Arduino LVGL 86 TVbox ESP32-S3 4 inch LCD Touch Screen Display 480x480 RS485 /SHT20 /Relay Development Board For Arduino LVGL 86 TVbox

ESP32-S3 4 inch LCD Touch Screen Display 480x480 RS485 /SHT20 /Relay Development Board For Arduino LVGL 86 TVbox

$63.51 $63.51

35 sold

Categories: Computer & Office, Computer Components

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29% off
587B 16 Channel Relays Module DC12V MODBUS RTU RS485 Relays Module Board PLC Controller 587B 16 Channel Relays Module DC12V MODBUS RTU RS485 Relays Module Board PLC Controller

587B 16 Channel Relays Module DC12V MODBUS RTU RS485 Relays Module Board PLC Controller

$13.99 $19.70

Categories: Computer & Office, Computer Components

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41% off
Voltages Controlled Charging Board for 12V Batteries Featuring Relays and LED Indicators for Automatic Energy Saving 77JC Voltages Controlled Charging Board for 12V Batteries Featuring Relays and LED Indicators for Automatic Energy Saving 77JC

Voltages Controlled Charging Board for 12V Batteries Featuring Relays and LED Indicators for Automatic Energy Saving 77JC

$4.37 $7.41

Categories: Computer & Office, Computer Components

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Bluetooth Relay module 8-way Bluetooth Remote Control Mobile Phone Bluetooth Relay module 8-way Bluetooth Remote Control Mobile Phone

Bluetooth Relay module 8-way Bluetooth Remote Control Mobile Phone

$69.74 $69.74

Categories: Computer & Office, Computer Components

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USB Serial Port Relay Module 5V/12v/24v Optional Control USB Serial Port Relay Module 5V/12v/24v Optional Control

USB Serial Port Relay Module 5V/12v/24v Optional Control

$53.00 $53.00

Categories: Computer & Office, Computer Components

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