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30A Relay Module 1 Channel

$1.12 – $1.21
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

$1.32 – $1.41
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 – $1.28
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

$1.97 – $4.87
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

$1.87 – $7.31
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

$2.62 – $5.43
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

$0.50 – $1.84
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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XH-M543 Dual Channel Digital Audio Amplifier Module 2x120W

$2.16 – $2.77
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600pcs Resistors Kit, 30 Values, 1% 1/4W Metal Film Resistors

$0.78
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Mini USB Female to DIP Adapter Converter (10pcs/Lot)

$0.61
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AC 220V 4000W SCR Voltage Regulator Dimming Dimmer Motor Speed Controller Thermostat Module BTA41600B

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$1.44
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Pulsesensor Pulse Heart Rate Sensor Module

$1.16
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CNC Shield V3 Engraving Machine Kit for Arduino Uno

$0.85 – $3.20

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ESP32 2.8 inch Display Development Board

$9.37 – $10.67
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NodeMCU Lua Lolin CP2102 ESP8266 ESP-12E WiFi Development Board

$2.31
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NodeMCU Lua Lolin V3 CH340 ESP8266 ESP-12E WiFi Development Board

$1.61

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ARM Cortex-M3 32-bit STM32F103C8T6 Minimum System Development Board

$1.23 – $2.23
STM32F103C8T6 Minimum System Board STM32 ARM Core Module board is a low-cost Minimum System Development Board for ARM Microcontroller STM32F103C8T6 from ST microsystems. It connects with a Micro USB, so easily and simple programming interface with computer/laptop.
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8-bit 8bit WS2812B 5050 RGB LED Strip Light Module

$0.28
Features Model: 8-bit 5050 full color LED module Size: 10.5x57mm Chip: WS2811 (built-in LED) LED: 5050 package RGB full color
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2.54mm 40Pin Male Pin Header Strip Single Row 200pcs/Lot

$3.53 – $4.84
1 bag of 200pcs 40-Pin male pin header Pin Length: 15mm Pin Material: iron (silver) copper (gold)
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DC 20A 6V -60V PWM Motor Speed Controller 12V 24V 48V 0-30A Voltage Regulator Digital LED Display QA-26S

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$3.03
Input voltage: DC 6-60V Output current: continuous 20A, max 30A Speed control mode: current regulation Speed range: 0–100% Control frequency:
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5V 12V 3.3V AC-DC Isolated Power Switch Module Buck Converter Step-Down 400mA 450mA 700ma

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$0.66 – $0.74
5V 700MA Features: Dimensions:3cm x 2cm x 1.8cm Input voltage AC 85V – 265V 50/60HZ Output voltage DC5V (± 0.2V)
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18650 Lithium Battery Charging 5V 2A Dual USB Output Step-up Boost Converter Module for DIY Power Bank JX-887Y

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$0.55
Input port: MicroUSB Input requirements: 5V1A or higher Output port: 2x USB ports Output: 5V1A/5V2A Size : 8 X 32
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