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30A Relay Module 1 Channel

$1.10 – $1.19
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

$0.38
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

$1.29 – $1.39
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

$1.07 – $1.26
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

$1.94 – $4.78
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

$1.84 – $7.17
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

$2.57 – $5.33
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

$0.49 – $1.80
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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WS2812B 5050 RGB LED Ring Square Module 4-Bit 16Bit 25Bit 64Bit

$0.32 – $2.46
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ESP8266 OLED WiFi Development Board 0.91” OLED Display CP2102 Support Arduino IDE ESP8266 NodeMCU LUA

$9.05
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Motor Wheel Encoder Speed Sensor 3.3V-5V Slot-Type Optocoupler Counter Module

$0.02 – $0.62
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Raspberry Pi 4B Case with Cooling Fan Aluminum Alloy

$3.96
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A4988 Reprap Stepper Motor Driver Module With Heatsink

$0.58
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2N2222 TO-92 Transistor (100pcs/Lot)

$0.74

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ESP32 2.8 inch Display Development Board

$9.19 – $10.46
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NodeMCU Lua Lolin CP2102 ESP8266 ESP-12E WiFi Development Board

$2.26
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NodeMCU Lua Lolin V3 CH340 ESP8266 ESP-12E WiFi Development Board

$1.58

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Mega 2560 R3 Development Board

$10.04 – $10.18
Mega 2560 R3 with ATmega16u2 USB chip fully compatible with Arduino
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1602 LCD Keypad Shield 2×16 for Arduino

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$1.43
1. Display: 16 × 2 characters 2. Operating voltage: 4.5-5.5V 3. Operating Current: 2.0mA (5.0V) 4. Module best working voltage:
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DS18B20 TO-92 Digital Temperature Sensor Chip

$0.48 – $0.76
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MCP2515 CAN Bus Module TJA1050 Receiver SPI for Arduino

$1.02
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XL4005 XL4015 DC-DC 5A 4-38V to 1.25-36V Step-down Buck Converter Power Supply Module

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$0.60 – $0.62
Model name XL4005 Module properties Non-isolated Buck Rectification mode Non synchronous rectifier Input voltage 5v-32v Output voltage 0.8v-24v Output current Peak 5A (3.5A above work to enhance heat dissipation) Conversion efficiency Up to 90% Switch frequency 300KHz Output Ripple 30mV (no-load) Load Adjustment Rate ± 0.5%
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10pcs AA Battery Holder Box with Cover and Switch

$1.13 – $5.23
1 lot/10pcs AA Battery Holder Wire Length: 15cm Battery Connection: serial
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