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25% off
MG811 Carbon Dioxide Sensor Module CO2 Gas Concentration Detection Analog Signal TTL Level Temperature Compensation Output MG811 Carbon Dioxide Sensor Module CO2 Gas Concentration Detection Analog Signal TTL Level Temperature Compensation Output

MG811 Carbon Dioxide Sensor Module CO2 Gas Concentration Detection Analog Signal TTL Level Temperature Compensation Output

$14.70$19.60

52% off
1 Channel 30A Relay Module Optocoupler Isolation 5V 12V 24V High Low Level Trigger Switch Board 1 Channel 30A Relay Module Optocoupler Isolation 5V 12V 24V High Low Level Trigger Switch Board

1 Channel 30A Relay Module Optocoupler Isolation 5V 12V 24V High Low Level Trigger Switch Board

$25.21$53.05

33% off
8 Channel Optocoupler Isolation Module Signal Voltage Converter PNP NPN Low High Level Output AC 110V 220V DC 3.3V 5V 12V 24V 8 Channel Optocoupler Isolation Module Signal Voltage Converter PNP NPN Low High Level Output AC 110V 220V DC 3.3V 5V 12V 24V

8 Channel Optocoupler Isolation Module Signal Voltage Converter PNP NPN Low High Level Output AC 110V 220V DC 3.3V 5V 12V 24V

$3.55$5.30

17 sold
27% off
1 2 Channel Way 5A High Level Trigger DC Solid State Relay Module Relays Single Phase Device Electrical DC3-32V 1 2 Channel Way 5A High Level Trigger DC Solid State Relay Module Relays Single Phase Device Electrical DC3-32V

1 2 Channel Way 5A High Level Trigger DC Solid State Relay Module Relays Single Phase Device Electrical DC3-32V

$3.54$4.85

2 sold
5% off
1/3/5PCS Red Board 1 Channel Relay Module High Low Level Trigger Optocoupler Isolation 5V 9V 12V 24V for Arduino MCU 1/3/5PCS Red Board 1 Channel Relay Module High Low Level Trigger Optocoupler Isolation 5V 9V 12V 24V for Arduino MCU

1/3/5PCS Red Board 1 Channel Relay Module High Low Level Trigger Optocoupler Isolation 5V 9V 12V 24V for Arduino MCU

$14.68$15.56

52% off
DC 6-35V Voice Playback Module 12V 24V 10W 20W 9 Channel One-To-One Independent Low-Level Trigger Amplifier Board DY-F20L DC 6-35V Voice Playback Module 12V 24V 10W 20W 9 Channel One-To-One Independent Low-Level Trigger Amplifier Board DY-F20L

DC 6-35V Voice Playback Module 12V 24V 10W 20W 9 Channel One-To-One Independent Low-Level Trigger Amplifier Board DY-F20L

$57.25$119.27

8 Channel High/Low Level Trigger Relay Module 5V12V24V,Home Intelligent Control Module,With Optocoupler Isolation Output 8 Channel High/Low Level Trigger Relay Module 5V12V24V,Home Intelligent Control Module,With Optocoupler Isolation Output

8 Channel High/Low Level Trigger Relay Module 5V12V24V,Home Intelligent Control Module,With Optocoupler Isolation Output

$8.66$8.66

27% off
DC 3V 5V 12V 24V Relay Module Single Channel High Level Driver Board Optocoupler Isolated Control Module for Arduino DC 3V 5V 12V 24V Relay Module Single Channel High Level Driver Board Optocoupler Isolated Control Module for Arduino

DC 3V 5V 12V 24V Relay Module Single Channel High Level Driver Board Optocoupler Isolated Control Module for Arduino

$1.28$1.75

42% off
3pcs Active / Passive Buzzer Module DC 3.3-5V For Arduino Smart Car DIY Kit Low Level Trigger Control Board Sound Sensor 3pcs Active / Passive Buzzer Module DC 3.3-5V For Arduino Smart Car DIY Kit Low Level Trigger Control Board Sound Sensor

3pcs Active / Passive Buzzer Module DC 3.3-5V For Arduino Smart Car DIY Kit Low Level Trigger Control Board Sound Sensor

$8.70$15.00

16% off
WAVGAT 2 way switch self-lock interlock 3-in-1 relay module 5V 12V 24V high and low level trigger WAVGAT 2 way switch self-lock interlock 3-in-1 relay module 5V 12V 24V high and low level trigger

WAVGAT 2 way switch self-lock interlock 3-in-1 relay module 5V 12V 24V high and low level trigger

$2.23$2.65

2 sold
2-way relay module with optocoupler isolation supports high and low level trigger expansion board 5V12V24V 2-way relay module with optocoupler isolation supports high and low level trigger expansion board 5V12V24V

2-way relay module with optocoupler isolation supports high and low level trigger expansion board 5V12V24V

$9.20$9.20

50% off
1 2 6 4 8 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino XCW 1 2 6 4 8 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino XCW

1 2 6 4 8 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino XCW

$22.90$45.81

2 sold
50% off
5PCS Active Buzzer Low Level Modules 3.3V-5V Buzzer Alarm Beeper Module 3 Pin Buzzer Alarm Module Electronic Component 5PCS Active Buzzer Low Level Modules 3.3V-5V Buzzer Alarm Beeper Module 3 Pin Buzzer Alarm Module Electronic Component

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

$33.48$66.97

1 sold
8 channel with optocoupler isolation relay module supports high and low level trigger 5V12V24V development board DIY 8 channel with optocoupler isolation relay module supports high and low level trigger 5V12V24V development board DIY

8 channel with optocoupler isolation relay module supports high and low level trigger 5V12V24V development board DIY

$30.54$30.54

5pcs TXB0108 TXB0108PWR/TSSOP-20 8-bit Bidirectional Voltage Level Translator IC Chip Integrated Circuit 5pcs TXB0108 TXB0108PWR/TSSOP-20 8-bit Bidirectional Voltage Level Translator IC Chip Integrated Circuit

5pcs TXB0108 TXB0108PWR/TSSOP-20 8-bit Bidirectional Voltage Level Translator IC Chip Integrated Circuit

$1.14$1.14

16% off
DC 5V 1 2 4 6 8 way relay module for arduino 1 2 4 6 8 channel relay module with optocoupler High and Low Level Trigger DC 5V 1 2 4 6 8 way relay module for arduino 1 2 4 6 8 channel relay module with optocoupler High and Low Level Trigger

DC 5V 1 2 4 6 8 way relay module for arduino 1 2 4 6 8 channel relay module with optocoupler High and Low Level Trigger

$21.00$25.00

10% off
150W high-power splitter HiFi level high, medium, and low frequency 3-channel crossover DIY modification 150W high-power splitter HiFi level high, medium, and low frequency 3-channel crossover DIY modification

150W high-power splitter HiFi level high, medium, and low frequency 3-channel crossover DIY modification

$24.12$26.80

37% off
Relay Module 8 Channel 5V 12V 24V Board Shield With Optocoupler Isolation Support High and Low Level Trigger for Rasp Pi Arduino Relay Module 8 Channel 5V 12V 24V Board Shield With Optocoupler Isolation Support High and Low Level Trigger for Rasp Pi Arduino

Relay Module 8 Channel 5V 12V 24V Board Shield With Optocoupler Isolation Support High and Low Level Trigger for Rasp Pi Arduino

$49.53$79.42

1 sold
15% off
Logic test pen high and low level test 5V 3.3V digital circuit debugging electronic production

Logic test pen high and low level test 5V 3.3V digital circuit debugging electronic production

$10.50$12.35

200PCS/LOT 2N5457 TO-92 Low-level audio amplifier and switch transistor

200PCS/LOT 2N5457 TO-92 Low-level audio amplifier and switch transistor

$45.00$45.00

10% off
10-100PCS New original CD40109BE inline DIP-16 low voltage to high voltage level converter chip logic IC

10-100PCS New original CD40109BE inline DIP-16 low voltage to high voltage level converter chip logic IC

$36.00$40.00

MG811 carbon dioxide sensor module CO2 gas air detection concentration DC 6V analog signal/TTL LOW level output MG811 carbon dioxide sensor module CO2 gas air detection concentration DC 6V analog signal/TTL LOW level output

MG811 carbon dioxide sensor module CO2 gas air detection concentration DC 6V analog signal/TTL LOW level output

$28.18$28.18

10% off
LIZAO DC 6-30V 30A Delay Relay Module LCD Digital Timing Control Support PNP NPN High Low Level Sensor Trigger LIZAO DC 6-30V 30A Delay Relay Module LCD Digital Timing Control Support PNP NPN High Low Level Sensor Trigger

LIZAO DC 6-30V 30A Delay Relay Module LCD Digital Timing Control Support PNP NPN High Low Level Sensor Trigger

$6.19$6.88

Relay Module 5V an optical decoupling tape to trigger PH2.0 interface with high and low levels Relay Module 5V an optical decoupling tape to trigger PH2.0 interface with high and low levels

Relay Module 5V an optical decoupling tape to trigger PH2.0 interface with high and low levels

$2.00$2.00

30% off
5pcs TLP281 4-channel optical isolation module, high-low level expansion board, electronic building block module

5pcs TLP281 4-channel optical isolation module, high-low level expansion board, electronic building block module

$19.76$28.23

27% off
5PCS-10PCS Multi Channel Relay Control Board 1/2/4/6/8CH 5V 12V 24V Optical Isolation Low Level Trigger PCB Module 5PCS-10PCS Multi Channel Relay Control Board 1/2/4/6/8CH 5V 12V 24V Optical Isolation Low Level Trigger PCB Module

5PCS-10PCS Multi Channel Relay Control Board 1/2/4/6/8CH 5V 12V 24V Optical Isolation Low Level Trigger PCB Module

$20.94$28.68

10% off
1/2/4/8 Channel SSR Solid State Relay Module 12V High Low Level Trigger 250V 2A Output Switch Board for Arduino MCU Control 1/2/4/8 Channel SSR Solid State Relay Module 12V High Low Level Trigger 250V 2A Output Switch Board for Arduino MCU Control

1/2/4/8 Channel SSR Solid State Relay Module 12V High Low Level Trigger 250V 2A Output Switch Board for Arduino MCU Control

$0.89$0.99

51% off
1-10Pcs 5V 12V 24V low level trigger 1 Channel Relay Module interface Board Shield For PIC AVR DSP ARM MCU Arduino 1-10Pcs 5V 12V 24V low level trigger 1 Channel Relay Module interface Board Shield For PIC AVR DSP ARM MCU Arduino

1-10Pcs 5V 12V 24V low level trigger 1 Channel Relay Module interface Board Shield For PIC AVR DSP ARM MCU Arduino

$21.31$43.49

10 sold
10% off
10PCS IS0103 Laser receiver tube-to-tube (non-modem) Normal high/low level IS0103/IS0203 10PCS IS0103 Laser receiver tube-to-tube (non-modem) Normal high/low level IS0103/IS0203

10PCS IS0103 Laser receiver tube-to-tube (non-modem) Normal high/low level IS0103/IS0203

$32.44$36.05

35% off
Single-chip microcomputer industrial control computer PLC conversion module board, PNP to NPN level conversion of high and low v Single-chip microcomputer industrial control computer PLC conversion module board, PNP to NPN level conversion of high and low v

Single-chip microcomputer industrial control computer PLC conversion module board, PNP to NPN level conversion of high and low v

$85.80$132.00

17A High Current Drive Electronic Switch 2-16V High and Low Level Signal Control Driver Module 17A High Current Drive Electronic Switch 2-16V High and Low Level Signal Control Driver Module

17A High Current Drive Electronic Switch 2-16V High and Low Level Signal Control Driver Module

$19.09$19.09

10% off
ESP8266 Dual Channel WIFI Relay Module ESP-01 DC5V With Relay Indicator and Reset Button 2 CH relay Boad Low Level Control ESP8266 Dual Channel WIFI Relay Module ESP-01 DC5V With Relay Indicator and Reset Button 2 CH relay Boad Low Level Control

ESP8266 Dual Channel WIFI Relay Module ESP-01 DC5V With Relay Indicator and Reset Button 2 CH relay Boad Low Level Control

$1.80$2.00

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

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

$0.79$0.79

Free Ship 1PCS New 1-Channel Low-Level Trigger Solid State Relay Module DC-DC Load 5A Switch Control Panel Module 5V Free Ship 1PCS New 1-Channel Low-Level Trigger Solid State Relay Module DC-DC Load 5A Switch Control Panel Module 5V

Free Ship 1PCS New 1-Channel Low-Level Trigger Solid State Relay Module DC-DC Load 5A Switch Control Panel Module 5V

$4.68$4.68

50% off
1 2 4 6 8 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino 1 2 4 6 8 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino

1 2 4 6 8 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino

$21.64$43.28

2 sold
40% off
XRY DC 5V 12V 24V 4 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for arduino Raspberry Pi XRY DC 5V 12V 24V 4 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for arduino Raspberry Pi

XRY DC 5V 12V 24V 4 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for arduino Raspberry Pi

$15.33$25.55

25% off
MG811 Carbon Dioxide Sensor Module CO2 Gas Concentration Detection Analog Signal TTL Level Temperature Compensation Output MG811 Carbon Dioxide Sensor Module CO2 Gas Concentration Detection Analog Signal TTL Level Temperature Compensation Output

MG811 Carbon Dioxide Sensor Module CO2 Gas Concentration Detection Analog Signal TTL Level Temperature Compensation Output

$14.70 $19.60

Categories: Electronic Components & Supplies, Active Components

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52% off
1 Channel 30A Relay Module Optocoupler Isolation 5V 12V 24V High Low Level Trigger Switch Board 1 Channel 30A Relay Module Optocoupler Isolation 5V 12V 24V High Low Level Trigger Switch Board

1 Channel 30A Relay Module Optocoupler Isolation 5V 12V 24V High Low Level Trigger Switch Board

$25.21 $53.05

Categories: Electronic Components & Supplies, Active Components

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33% off
8 Channel Optocoupler Isolation Module Signal Voltage Converter PNP NPN Low High Level Output AC 110V 220V DC 3.3V 5V 12V 24V 8 Channel Optocoupler Isolation Module Signal Voltage Converter PNP NPN Low High Level Output AC 110V 220V DC 3.3V 5V 12V 24V

8 Channel Optocoupler Isolation Module Signal Voltage Converter PNP NPN Low High Level Output AC 110V 220V DC 3.3V 5V 12V 24V

$3.55 $5.30

17 sold

Categories: Electronic Components & Supplies, Active Components

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27% off
1 2 Channel Way 5A High Level Trigger DC Solid State Relay Module Relays Single Phase Device Electrical DC3-32V 1 2 Channel Way 5A High Level Trigger DC Solid State Relay Module Relays Single Phase Device Electrical DC3-32V

1 2 Channel Way 5A High Level Trigger DC Solid State Relay Module Relays Single Phase Device Electrical DC3-32V

$3.54 $4.85

2 sold

Categories: Electronic Components & Supplies, Active Components

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5% off
1/3/5PCS Red Board 1 Channel Relay Module High Low Level Trigger Optocoupler Isolation 5V 9V 12V 24V for Arduino MCU 1/3/5PCS Red Board 1 Channel Relay Module High Low Level Trigger Optocoupler Isolation 5V 9V 12V 24V for Arduino MCU

1/3/5PCS Red Board 1 Channel Relay Module High Low Level Trigger Optocoupler Isolation 5V 9V 12V 24V for Arduino MCU

$14.68 $15.56

Categories: Electronic Components & Supplies, Active Components

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52% off
DC 6-35V Voice Playback Module 12V 24V 10W 20W 9 Channel One-To-One Independent Low-Level Trigger Amplifier Board DY-F20L DC 6-35V Voice Playback Module 12V 24V 10W 20W 9 Channel One-To-One Independent Low-Level Trigger Amplifier Board DY-F20L

DC 6-35V Voice Playback Module 12V 24V 10W 20W 9 Channel One-To-One Independent Low-Level Trigger Amplifier Board DY-F20L

$57.25 $119.27

Categories: Electronic Components & Supplies, Active Components

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8 Channel High/Low Level Trigger Relay Module 5V12V24V,Home Intelligent Control Module,With Optocoupler Isolation Output 8 Channel High/Low Level Trigger Relay Module 5V12V24V,Home Intelligent Control Module,With Optocoupler Isolation Output

8 Channel High/Low Level Trigger Relay Module 5V12V24V,Home Intelligent Control Module,With Optocoupler Isolation Output

$8.66 $8.66

Categories: Electronic Components & Supplies, Active Components

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27% off
DC 3V 5V 12V 24V Relay Module Single Channel High Level Driver Board Optocoupler Isolated Control Module for Arduino DC 3V 5V 12V 24V Relay Module Single Channel High Level Driver Board Optocoupler Isolated Control Module for Arduino

DC 3V 5V 12V 24V Relay Module Single Channel High Level Driver Board Optocoupler Isolated Control Module for Arduino

$1.28 $1.75

Categories: Electronic Components & Supplies, Active Components

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42% off
3pcs Active / Passive Buzzer Module DC 3.3-5V For Arduino Smart Car DIY Kit Low Level Trigger Control Board Sound Sensor 3pcs Active / Passive Buzzer Module DC 3.3-5V For Arduino Smart Car DIY Kit Low Level Trigger Control Board Sound Sensor

3pcs Active / Passive Buzzer Module DC 3.3-5V For Arduino Smart Car DIY Kit Low Level Trigger Control Board Sound Sensor

$8.70 $15.00

Categories: Electronic Components & Supplies, Active Components

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16% off
WAVGAT 2 way switch self-lock interlock 3-in-1 relay module 5V 12V 24V high and low level trigger WAVGAT 2 way switch self-lock interlock 3-in-1 relay module 5V 12V 24V high and low level trigger

WAVGAT 2 way switch self-lock interlock 3-in-1 relay module 5V 12V 24V high and low level trigger

$2.23 $2.65

2 sold

Categories: Electronic Components & Supplies, Active Components

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2-way relay module with optocoupler isolation supports high and low level trigger expansion board 5V12V24V 2-way relay module with optocoupler isolation supports high and low level trigger expansion board 5V12V24V

2-way relay module with optocoupler isolation supports high and low level trigger expansion board 5V12V24V

$9.20 $9.20

Categories: Electronic Components & Supplies, Active Components

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50% off
1 2 6 4 8 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino XCW 1 2 6 4 8 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino XCW

1 2 6 4 8 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino XCW

$22.90 $45.81

2 sold

Categories: Electronic Components & Supplies, Active Components

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50% off
5PCS Active Buzzer Low Level Modules 3.3V-5V Buzzer Alarm Beeper Module 3 Pin Buzzer Alarm Module Electronic Component 5PCS Active Buzzer Low Level Modules 3.3V-5V Buzzer Alarm Beeper Module 3 Pin Buzzer Alarm Module Electronic Component

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

$33.48 $66.97

1 sold

Categories: Electronic Components & Supplies, Active Components

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8 channel with optocoupler isolation relay module supports high and low level trigger 5V12V24V development board DIY 8 channel with optocoupler isolation relay module supports high and low level trigger 5V12V24V development board DIY

8 channel with optocoupler isolation relay module supports high and low level trigger 5V12V24V development board DIY

$30.54 $30.54

Categories: Electronic Components & Supplies, Active Components

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5pcs TXB0108 TXB0108PWR/TSSOP-20 8-bit Bidirectional Voltage Level Translator IC Chip Integrated Circuit 5pcs TXB0108 TXB0108PWR/TSSOP-20 8-bit Bidirectional Voltage Level Translator IC Chip Integrated Circuit

5pcs TXB0108 TXB0108PWR/TSSOP-20 8-bit Bidirectional Voltage Level Translator IC Chip Integrated Circuit

$1.14 $1.14

Categories: Electronic Components & Supplies, Active Components

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16% off
DC 5V 1 2 4 6 8 way relay module for arduino 1 2 4 6 8 channel relay module with optocoupler High and Low Level Trigger DC 5V 1 2 4 6 8 way relay module for arduino 1 2 4 6 8 channel relay module with optocoupler High and Low Level Trigger

DC 5V 1 2 4 6 8 way relay module for arduino 1 2 4 6 8 channel relay module with optocoupler High and Low Level Trigger

$21.00 $25.00

Categories: Electronic Components & Supplies, Active Components

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10% off
150W high-power splitter HiFi level high, medium, and low frequency 3-channel crossover DIY modification 150W high-power splitter HiFi level high, medium, and low frequency 3-channel crossover DIY modification

150W high-power splitter HiFi level high, medium, and low frequency 3-channel crossover DIY modification

$24.12 $26.80

Categories: Electronic Components & Supplies, Active Components

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37% off
Relay Module 8 Channel 5V 12V 24V Board Shield With Optocoupler Isolation Support High and Low Level Trigger for Rasp Pi Arduino Relay Module 8 Channel 5V 12V 24V Board Shield With Optocoupler Isolation Support High and Low Level Trigger for Rasp Pi Arduino

Relay Module 8 Channel 5V 12V 24V Board Shield With Optocoupler Isolation Support High and Low Level Trigger for Rasp Pi Arduino

$49.53 $79.42

1 sold

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15% off
Logic test pen high and low level test 5V 3.3V digital circuit debugging electronic production

Logic test pen high and low level test 5V 3.3V digital circuit debugging electronic production

$10.50 $12.35

Categories: Electronic Components & Supplies, Active Components

Buy Now
200PCS/LOT 2N5457 TO-92 Low-level audio amplifier and switch transistor

200PCS/LOT 2N5457 TO-92 Low-level audio amplifier and switch transistor

$45.00 $45.00

Categories: Electronic Components & Supplies, Active Components

Buy Now
10% off
10-100PCS New original CD40109BE inline DIP-16 low voltage to high voltage level converter chip logic IC

10-100PCS New original CD40109BE inline DIP-16 low voltage to high voltage level converter chip logic IC

$36.00 $40.00

Categories: Electronic Components & Supplies, Active Components

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MG811 carbon dioxide sensor module CO2 gas air detection concentration DC 6V analog signal/TTL LOW level output MG811 carbon dioxide sensor module CO2 gas air detection concentration DC 6V analog signal/TTL LOW level output

MG811 carbon dioxide sensor module CO2 gas air detection concentration DC 6V analog signal/TTL LOW level output

$28.18 $28.18

Categories: Electronic Components & Supplies, Active Components

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10% off
LIZAO DC 6-30V 30A Delay Relay Module LCD Digital Timing Control Support PNP NPN High Low Level Sensor Trigger LIZAO DC 6-30V 30A Delay Relay Module LCD Digital Timing Control Support PNP NPN High Low Level Sensor Trigger

LIZAO DC 6-30V 30A Delay Relay Module LCD Digital Timing Control Support PNP NPN High Low Level Sensor Trigger

$6.19 $6.88

Categories: Electronic Components & Supplies, Active Components

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Relay Module 5V an optical decoupling tape to trigger PH2.0 interface with high and low levels Relay Module 5V an optical decoupling tape to trigger PH2.0 interface with high and low levels

Relay Module 5V an optical decoupling tape to trigger PH2.0 interface with high and low levels

$2.00 $2.00

Categories: Electronic Components & Supplies, Active Components

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30% off
5pcs TLP281 4-channel optical isolation module, high-low level expansion board, electronic building block module

5pcs TLP281 4-channel optical isolation module, high-low level expansion board, electronic building block module

$19.76 $28.23

Categories: Electronic Components & Supplies, Active Components

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27% off
5PCS-10PCS Multi Channel Relay Control Board 1/2/4/6/8CH 5V 12V 24V Optical Isolation Low Level Trigger PCB Module 5PCS-10PCS Multi Channel Relay Control Board 1/2/4/6/8CH 5V 12V 24V Optical Isolation Low Level Trigger PCB Module

5PCS-10PCS Multi Channel Relay Control Board 1/2/4/6/8CH 5V 12V 24V Optical Isolation Low Level Trigger PCB Module

$20.94 $28.68

Categories: Electronic Components & Supplies, Active Components

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10% off
1/2/4/8 Channel SSR Solid State Relay Module 12V High Low Level Trigger 250V 2A Output Switch Board for Arduino MCU Control 1/2/4/8 Channel SSR Solid State Relay Module 12V High Low Level Trigger 250V 2A Output Switch Board for Arduino MCU Control

1/2/4/8 Channel SSR Solid State Relay Module 12V High Low Level Trigger 250V 2A Output Switch Board for Arduino MCU Control

$0.89 $0.99

Categories: Electronic Components & Supplies, Active Components

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51% off
1-10Pcs 5V 12V 24V low level trigger 1 Channel Relay Module interface Board Shield For PIC AVR DSP ARM MCU Arduino 1-10Pcs 5V 12V 24V low level trigger 1 Channel Relay Module interface Board Shield For PIC AVR DSP ARM MCU Arduino

1-10Pcs 5V 12V 24V low level trigger 1 Channel Relay Module interface Board Shield For PIC AVR DSP ARM MCU Arduino

$21.31 $43.49

10 sold

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10% off
10PCS IS0103 Laser receiver tube-to-tube (non-modem) Normal high/low level IS0103/IS0203 10PCS IS0103 Laser receiver tube-to-tube (non-modem) Normal high/low level IS0103/IS0203

10PCS IS0103 Laser receiver tube-to-tube (non-modem) Normal high/low level IS0103/IS0203

$32.44 $36.05

Categories: Electronic Components & Supplies, Active Components

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35% off
Single-chip microcomputer industrial control computer PLC conversion module board, PNP to NPN level conversion of high and low v Single-chip microcomputer industrial control computer PLC conversion module board, PNP to NPN level conversion of high and low v

Single-chip microcomputer industrial control computer PLC conversion module board, PNP to NPN level conversion of high and low v

$85.80 $132.00

Categories: Electronic Components & Supplies, Active Components

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17A High Current Drive Electronic Switch 2-16V High and Low Level Signal Control Driver Module 17A High Current Drive Electronic Switch 2-16V High and Low Level Signal Control Driver Module

17A High Current Drive Electronic Switch 2-16V High and Low Level Signal Control Driver Module

$19.09 $19.09

Categories: Electronic Components & Supplies, Active Components

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10% off
ESP8266 Dual Channel WIFI Relay Module ESP-01 DC5V With Relay Indicator and Reset Button 2 CH relay Boad Low Level Control ESP8266 Dual Channel WIFI Relay Module ESP-01 DC5V With Relay Indicator and Reset Button 2 CH relay Boad Low Level Control

ESP8266 Dual Channel WIFI Relay Module ESP-01 DC5V With Relay Indicator and Reset Button 2 CH relay Boad Low Level Control

$1.80 $2.00

Categories: Electronic Components & Supplies, Active Components

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

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

$0.79 $0.79

Categories: Electronic Components & Supplies, Active Components

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Free Ship 1PCS New 1-Channel Low-Level Trigger Solid State Relay Module DC-DC Load 5A Switch Control Panel Module 5V Free Ship 1PCS New 1-Channel Low-Level Trigger Solid State Relay Module DC-DC Load 5A Switch Control Panel Module 5V

Free Ship 1PCS New 1-Channel Low-Level Trigger Solid State Relay Module DC-DC Load 5A Switch Control Panel Module 5V

$4.68 $4.68

Categories: Electronic Components & Supplies, Active Components

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50% off
1 2 4 6 8 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino 1 2 4 6 8 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino

1 2 4 6 8 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino

$21.64 $43.28

2 sold

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40% off
XRY DC 5V 12V 24V 4 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for arduino Raspberry Pi XRY DC 5V 12V 24V 4 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for arduino Raspberry Pi

XRY DC 5V 12V 24V 4 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for arduino Raspberry Pi

$15.33 $25.55

Categories: Electronic Components & Supplies, Active Components

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