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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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GY-BMP280 3.3V 5V Barometric Atmospheric Pressure Temperature Humidity Sensor Module I2C SPI

$0.25 – $0.65
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ESP32 Module with Adapter Board for Raspberry Pi and Microcontrollers

$1.92
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Real Time Clock Shield RTC DS1307 for WeMos D1 Mini

$0.89
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433MHz RF Transmitter and Receiver Decoder Module Kit FS1000A

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$0.46
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DC 0-100V / 10A 50A 100A Voltmeter Ammeter Module with LED Display

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$0.68 – $2.38
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HC-12 SI4463 433MHz Wireless Transceiver Module 1000m Long Distance UART Serial Port

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$2.11 – $2.59

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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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USB 2.0 Female to DIP Adapter Converter (10pcs/Lot)

$0.61
USB-A Type A 2.0 Female to DIP Adapter Converter (10pcs/Lot) Adaptor Module
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AC 220V 4000W SCR Voltage Regulator Dimming Dimmer Motor Speed Controller Thermostat Module BTA41600B External Knob

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$1.76
Specifications: SCR model: BTA41600B Working Voltage: AC 220V Maximum Power: 4000W (connected resistive load) Voltage Regulation:AC 0-220V,Start from AC 10V
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Bluetooth 4.1 Audio Module with USB Micro SD

$1.45
Bluetooth Audio Receiver Module 4.1 USB TF MicroSD Card Decoding Board Preamp Output for Car Speaker Wireless DIY Lossless Car
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4×4 3×4 Matrix Keyboard Keypad Module

$1.10
4×4 3×4 4*4 4*3 4 x 4 x 3 Matrix Keyboard Keypad Module Keys Switch for Arduino PIC AVR
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IR Infrared Flame Fire Detection Sensor Detector Module 3-Pin 4-Pin Digital Analog Blue

$0.22
1. Can detect the flame or the wavelength at 760 nm to 1100 nm range of the light source, the
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WeMos D1 Uno R3 NodeMCU ESP8266MOD-12F compatible with Arduino

$2.09
A development board that integrates ESP8266 with pinout compatible with UNO R3.
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