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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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  • $24.99 
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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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  • $31.99 
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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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  • $19.99 
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2pcs PCF8574 PCF8574T IO Expansion Board I/O Expander I2C Evaluation Develop Module
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  • $16.99 
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12V 1 Channel Relay Module with Optocoupler Isolation Support High or Low Level Trigger
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  • $14.99 
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2pcs DC 24V 1 Channel Relay Module with OPTO Isolation Support High or Low Level Trigger
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  • $18.99 
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2pcs CC2540 CC2541 AT-09 Serial Wireless Module BLE 4.0 Bluetooth Module Compatible HM-10
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  • $26.99 
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20pcs TTP223 Capacitive Switch Button Module Self-Lock Switch Button Module High Low Level Output
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  • $17.99 
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10pcs KBPC5010 Diode Bridge Rectifier Diode 50A 1000V KBPC 5010 Power Rectifier Diode Electronic Components
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  • $29.99 
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ESP8266 5V WiFi Relay Module TOI APP Control for Smart Home Automation System
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  • $22.99 
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2pcs 5V 30A One Channel Relay Module Optocoupler Isolation High and Low Trigger 5V
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  • $24.99 
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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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  • $72.99 
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5pcs DRV8825 Stepper Motor Driver Module for 3D Printer RepRap 4 RAMPS1.4 StepStick
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  • $36.99 
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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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  • $36.99 
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2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger
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  • $18.99 
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2pcs 12V Single Bistable Self-Locking Relay Module Push to Start and Stop
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  • $26.99 
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2pcs 24V 30A One Channel Relay Module Optocoupler Isolation High and Low Trigger 24V
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  • $24.99 
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2pcs 12V 30A One Channel Relay Module Optocoupler Isolation High and Low Trigger 12V
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  • $24.99 
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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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  • $44.99 
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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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  • $36.99 
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12V 4 Channel Relay Module with OPTO-Isolated Support High and Low Level Trigger
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  • $18.99 
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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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  • $16.99 
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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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  • $18.99 
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