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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 – $4.91
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 – $5.48
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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5mm Flat Lens Visible Light Sensor Diode 520nm (10pcs/Lot)

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$0.35
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Lithium Battery Pack Voltage Power Level Meter 12V 24V 36V 48V 60V 72V 84V DC

$0.58 – $1.48
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External SMA GPS Antenna Active

$0.85 – $1.13
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E18-D80NK 5V Infrared IR Obstacle Avoidance Photoelectric Sensor Proximity Switch 3-80cm Detection Range Adjustable

$0.15 – $1.08
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AT-09 CC2541 Bluetooth 4.0 Module BLE Airsync Compatible with HM-10

$2.06
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18650 Dual 5V 2A Battery Charging Module for Power Bank H913-A V1.0 V2.0

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$1.28

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ESP32 2.8 inch Display Development Board

$9.44 – $10.75
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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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WeMos D1 Mini Pro ESP8266 ESP-8266EX CP2104 WIFI development board compatible with Arduino

$2.98 – $3.78
Wemos D1Mini Pro is a small board with ESP8266EX chip. On board there is also USB-UART converter (CP2104). All you need to start programming is a USB cable.
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1×4 3X4 4X4 4×5 Membrane Switch Keypad Matrix Keyboard for Arduino 4 12 16 20 Keys

$0.26 – $0.45
1*4 3*4 4*4 4*5 1 x 4 3 x 4 4 x 4 4 x 5 Membrane Film Keypad Keyboard
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KY-002 Vibration Switch Sensor Module SW-18015P

$0.21
Component model: SW- 18015P Working Voltage: 3-5 (V) Digital switch output (0 & 1) Dimensions: 18.4×14.8mm Weight: 1.5g
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PAM8403 Audio 2x3W Mini Digital Power Amplifier Class D Stereo Audio Amplifier Module 5V

$0.14
1. Dimension:1.85*2.15cm 2. Work Voltage:2.5V-5V, Limit Voltage: 5.5V 3. Excellent noise suppression 4. Large output power, good sound quality 5.
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2N2222 TO-92 Transistor (100pcs/Lot)

$0.76
2N2222A TO-92 0.8A 40V NPN
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3,4,5S 100A BMS Battery Protection Module Board

$1.60
3S 4S 5S 100A 12V 12.6V BMS Lithium Battery Protection Module Board with Balacing charging balance 3.2V battery cells including:
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