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2pcs PCF8575 IO Expansion Board I2C IIC 16 IO Ports I/O Extension Shield 16 Bits SMBus I/O Ports
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  • $29.38 
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2pcs W5500 Ethernet LAN Network Module Support TCP/IP51/STM32 Microcontroller Program with 32k Bytes SPI 3.3V/5V Over W5100
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  • $50.18 
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ESP32 ESP-32 ESP-32S ESP32S WiFi Bluetooth Wireless Board Module Based ESP32 Dual Core Mode CPU
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  • $37.38 
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2pcs PCF8574 PCF8574T IO Expansion Board I/O Expander I2C Evaluation Develop Module
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2pcs PCF8574 PCF8574T IO Expansion Board I/O Expander I2C Evaluation Develop Module

Limited time offer, ends 09/20

  • Model #: C745-LUOYIMAN-Lsy810-049
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  • $24.58 
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20pcs 5MM Photo Transistor Phototransistor PT334-6C Photo Transistor Phototransistor Round F5 3V (Pack of 2)
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  • $43.78 
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USB Logic Analyzer Device with EMI Ferrite Ring USB Cable 24MHz 8CH 24MHz 8 Channel UART IIC SPI Debug (Pack of 2)
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  • $99.78 
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USB Logic Analyzer Device with EMI Ferrite Ring USB Cable 24MHz 8CH 24MHz 8 Channel UART IIC SPI Debug
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  • $48.58 
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12V 1 Channel Relay Module with Optocoupler Isolation Support High or Low Level Trigger
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12V 1 Channel Relay Module with Optocoupler Isolation Support High or Low Level Trigger

Limited time offer, ends 09/20

  • Model #: C745-LUOYIMAN-Lsy810-012
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  • $21.38 
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2pcs DC 24V 2 Channel Relay Module with Isolated Optocoupler High and Low Level H/L Level Trigger Module Triggered by DC 24V
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  • $34.18 
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3pcs M18 Wireless Bluetooth MP3 Audio Receiver Board BLT 4.2 mp3 Lossless decoder Bluetooth 4.2 Audio Receiver Board Wireless Stereo Sound Module
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  • $27.78 
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2pcs DC 24V 1 Channel Relay Module with OPTO Isolation Support High or Low Level Trigger
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2pcs DC 24V 1 Channel Relay Module with OPTO Isolation Support High or Low Level Trigger

Limited time offer, ends 09/20

  • Model #: C745-LUOYIMAN-Lsy810-025
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  • $27.78 
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2pcs CC2540 CC2541 AT-09 Serial Wireless Module BLE 4.0 Bluetooth Module Compatible HM-10
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2pcs CC2540 CC2541 AT-09 Serial Wireless Module BLE 4.0 Bluetooth Module Compatible HM-10

Limited time offer, ends 09/20

  • Model #: C745-LUOYIMAN-Lsy810-043
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  • $40.58 
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2pcs CT14 Stereo Bluetooth Amplifier Board 5V AMP F Class 5W+5W Amplifier Module with Charging Port for Speaker Modification DIY
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  • $34.18 
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20pcs TTP223 Capacitive Switch Button Module Self-Lock Switch Button Module High Low Level Output
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  • $26.18 
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0.56 Inch 4 Bit Red Digital Tube Electronic Clock DIY Kit Clock Electronic Production Suite Time Chip AT89C2051
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  • $35.78 
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10pcs KBPC5010 Diode Bridge Rectifier Diode 50A 1000V KBPC 5010 Power Rectifier Diode Electronic Components
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  • $45.38 
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10pcs KBPC5010 Diode Bridge Rectifier Diode 50A 1000V KBPC 5010 Power Rectifier Diode Electronic Components (Pack of 2)
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  • $91.78 
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ESP8266 5V WiFi Relay Module TOI APP Control for Smart Home Automation System
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ESP8266 5V WiFi Relay Module TOI APP Control for Smart Home Automation System

Limited time offer, ends 09/20

  • Model #: C745-LUOYIMAN-Lsy810-107
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  • $34.18 
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2pcs 5V 30A One Channel Relay Module Optocoupler Isolation High and Low Trigger 5V
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2pcs 5V 30A One Channel Relay Module Optocoupler Isolation High and Low Trigger 5V

Limited time offer, ends 09/20

  • Model #: C745-LUOYIMAN-Lsy810-005
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  • $37.38 
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5pcs DRV8825 Stepper Motor Driver Module for 3D Printer RepRap 4 RAMPS1.4 StepStick (Pack of 2)
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  • $114.18 
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5pcs DRV8825 Stepper Motor Driver Module for 3D Printer RepRap 4 RAMPS1.4 StepStick
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5pcs DRV8825 Stepper Motor Driver Module for 3D Printer RepRap 4 RAMPS1.4 StepStick

Limited time offer, ends 09/20

  • Model #: C745-LUOYIMAN-Lsy810-035
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  • $56.58 
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2pcs TEC1-12706 Semiconductor Refrigeration Tablets TEC1-12706 12V 6A Heatsink Thermoelectric Cooler Cooling Peltier Plate Module 40x40MM
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  • $37.38 
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2pcs TEC1-12706 Semiconductor Refrigeration Tablets TEC1-12706 12V 6A Heatsink Thermoelectric Cooler Cooling Peltier Plate Module 40x40MM (Pack of 2)
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  • $75.78 
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2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger (Pack of 2)
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  • $56.58 
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2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger
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2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger

Limited time offer, ends 09/20

  • Model #: C745-LUOYIMAN-Lsy810-010
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  • $27.78 
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2pcs 12V Single Bistable Self-Locking Relay Module Push to Start and Stop
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2pcs 12V Single Bistable Self-Locking Relay Module Push to Start and Stop

Limited time offer, ends 09/20

  • Model #: C745-LUOYIMAN-Lsy810-048
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  • $40.58 
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2pcs 12V 30A One Channel Relay Module Optocoupler Isolation High and Low Trigger 12V
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2pcs 12V 30A One Channel Relay Module Optocoupler Isolation High and Low Trigger 12V

Limited time offer, ends 09/20

  • Model #: C745-LUOYIMAN-Lsy810-007
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  • $37.38 
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2pcs 24V 30A One Channel Relay Module Optocoupler Isolation High and Low Trigger 24V
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2pcs 24V 30A One Channel Relay Module Optocoupler Isolation High and Low Trigger 24V

Limited time offer, ends 09/20

  • Model #: C745-LUOYIMAN-Lsy810-006
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  • $37.38 
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12V 1 Channel Relay Module with Optocoupler Isolation Support High or Low Level Trigger (Pack of 3)
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  • $69.38 
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12V 4 Channel Relay Module with OPTO-Isolated Support High and Low Level Trigger (Pack of 2)
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12V 4 Channel Relay Module with OPTO-Isolated Support High and Low Level Trigger (Pack of 2)

Limited time offer, ends 09/20

  • Model #: C745-LUOYIMAN-Lsy810-017
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  • $56.58 
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12V 4 Channel Relay Module with OPTO-Isolated Support High and Low Level Trigger
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12V 4 Channel Relay Module with OPTO-Isolated Support High and Low Level Trigger

Limited time offer, ends 09/20

  • Model #: C745-LUOYIMAN-Lsy810-016
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  • $27.78 
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2pcs 2.4G WiFi Antenna SMA to U.FL-4 2.4GHz 3dBi Antenna U.fl-4 to RP SMA Male for ZigBee Router 90 Degrees Right Angle Folded Lead 15CM
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  • $32.58 
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10pcs 5V 650nm 5mW Red Dot Laser Head Red Laser Diode Laser Tube with Leads Head Outer Diameter 6mm
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  • $24.58 
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10pcs 5V 650nm 5mW Red Dot Laser Head Red Laser Diode Laser Tube with Leads Head Outer Diameter 6mm (Pack of 2)
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  • $51.78 
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5pcs 95DB Alarm Buzzer SFM-27 High-Decibel 3-24V 12V Electronic Buzzer Beep Alarm Continuous Beep
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  • $27.78 
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CH341A STC Flash 24 25 EEPROM BIOS Writer USB Programmer SPI USB to TTL
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CH341A STC Flash 24 25 EEPROM BIOS Writer USB Programmer SPI USB to TTL

Limited time offer, ends 09/20

  • Model #: C745-LUOYIMAN-Lsy810-023
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  • $29.38 
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