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30A Relay Module 1 Channel

$1.13 – $1.22
30A Relay Module 1 Channel 5V 12V 24V 250VAC SLA-05VDC-SL-C SLA-12VDC-SL-C SLA-24VDC-SL-C with opticoupler protection support high-level trigger low-level trigger
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Adapter Module for ESP-01 ESP8266

$0.39
Adapter adaptor Module board for ESP-01 ESP8266 esp01 esp-01s esp01s onboard 3.3V/5V voltage regulator
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5V 12V Bluetooth MP3 Music Audio Decoder Module Board

$1.33 – $1.42
Features 5 modes: Bluetooth AUX in FM Radio TF Card USB
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UV Light Strip 12V 60 LEDs per Meter 8mm 390nm – 400nm

$1.10 – $1.29
Ultraviolet UV Light Strip 60 LEDs per Meter 390nm – 400nm 12V 8mm 2835 PCB width: 8mm LED type: 2835
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UV Light Strip 30 60 120 LEDs per Meter 365nm – 370nm

$1.99 – $4.90
2835 Ultraviolet UV Light Strip 30 60 120 LEDs per Meter 365nm – 370nm 5V 12V 24V 5050 2835 3535
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WS2815 12V 5050 Addressable LED Strips 30 60 74 96 144 LEDs

$1.89 – $7.36
WS2815 12V 5050 Addressable RGB LED Strips 30 60 74 96 144 LEDs 10mm 30LEDs/meter 60LEDs/meter 74LEDs/meter 96LEDs/meter 144LEDs/meter 30Pixels/meter
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WS2812B 5V 5050 Addressable LED Strips 10mm 30 60 144 LEDs

$2.64 – $5.47
WS2812B 5V 5050 Addressable RGB LED Strips 10mm 30 60 144 LEDs 10mm 30LEDs/meter 60LEDs/meter 144LEDs/meter 30Pixels/meter 60Pixels/meter 144Pixels/meter individually
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12V 5 Meters 5050 LED Strip 60 Pixels per Meter

$0.51 – $1.85
12V 5 Meters 5050 LED Strip 60 Pixels/Meter 60LEDs/Meter Warm White Cold White Red Blue Green Yellow Pink Purple RGB
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0.36″ 3-Wire Digital Voltmeter DC 0 – 30V, 0 – 100V

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$0.37 – $0.42
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3220 Points Holes Breadboard ZY-208

$6.04
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12V 10A 120W Switching Power Supply Transformer AC 100-260V

$4.18
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TDA2030A Audio Amplifier Module 18W Mono

$0.40
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WeMos D1 Mini Pro ESP8266 ESP-8266EX CP2104 WIFI development board compatible with Arduino

$2.97 – $3.77
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TB6600 Stepper Motor Driver 42/57/86 Type NEMA 17 23 34 4.0A Stepping Controller for 3D Printer CNC Router

$2.97

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ESP32 2.8 inch Display Development Board

$9.43 – $10.74
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NodeMCU Lua Lolin CP2102 ESP8266 ESP-12E WiFi Development Board

$2.32
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NodeMCU Lua Lolin V3 CH340 ESP8266 ESP-12E WiFi Development Board

$1.63

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5.08mm Screw Terminal Blocks to DC5521 Connector Adapter Module

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$0.06
DC 5.5mmx2.1mm 5.5*2.1 DC 5.5×2.1mm Screw Terminal Blocks 5.08mm to DC5521 Connector Power Jack Socket Barrel Adapter Module P4 Male
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W2809 Temperature Controller -50 to 110 ℃ (-58 to 230 ℉) DC 12V Programmable Thermostat Relay

$1.93
Blue is SET temperature, Red is ambient temperature Input voltage: DC 12 V Temperature measurement range: -50°C ~ 110°C Resolution
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AMS1117-3.3 DC-DC 5V to 3.3V 800mA Module (10pcs/Lot)

$0.87
AMS1117-5 StepDown Step Down Power Supply Buck Converter Module Step-Down LDO AMS 1117
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Universal IR Infrared Receivers (10pcs/Lot)

$0.35
Universal IR Infrared Receiver VS1838B CHQB1838B HS0038 TL1838 VS1838 1838 HX1838 VS0038 Remote Receiver Tube 10pcs Universal IR Infrared Receiver
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KY-033 IR Infrared Line Tracking Sensor Module TCRT5000

$0.26
Sensor: TCRT5000 Detection distance: 1-8mm Focal length: 2.5mm Driving capacity: greater than 1 5mA Working voltage: 3.3V-5V Output format: digital
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MQ Series Smoke Methane Liquefied Gas Sensor Modules

$0.74 – $0.86
MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 MQ-2 Sensor Gas: smoke Detection range: 300 to 10000ppmm Characteristic gas:
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