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"bluetooth usb adapter"
AJMRTC ESP32 Development Board 4Channel BT Relay Module, AC 220V 30A 4 Way Relay Control Board, Bluetooth Wireless Switch Module, Supports Secondary Development for Home Automation DIY IoT Project
Limited time offer, ends 11/25
$21.88
Free Shipping
NOYITO 4-Channel Micro USB Relay Module USB Smart Control Switch USB Intelligent Control Switch
Limited time offer, ends 11/14
$43.97
Free Shipping
AJMRTC 1 Channel 5V USB Relay Module, Programmable Computer Control USB Relay Switch Board, USB Powered Relay Controller for Home Automation Industrial Equipment On Off Control
Limited time offer, ends 11/25
$15.87
Free Shipping
AJMRTC HID Drive-Free USB 1 Channel 5V Relay Module, One-Channel USB Relay Switch, Control Relay ON/OFF Directly via Computer, No Extra Driver Needed for PC Automation Control
Limited time offer, ends 11/25
$12.44
Free Shipping
AJMRTC ESP8266 Relay Controller Module with ESP-12F WiFi Chip, DC 5V-80V Wide Voltage Power Supply Wireless Relay Switch, for IoT Smart Home APP Remote Control Electronic DIY Projects
Limited time offer, ends 11/25
$10.54
Free Shipping
AJMRTC 1Set 1 Channel Relay Shield for Wemos D1 Mini ESP8266 Development Board, Relay Module for Smart Home Switch, IoT Project Control
Limited time offer, ends 11/25
$10.84
Free Shipping
AJMRTC 2262 2272 4 Channel 315MHz Wireless Remote DIY Kit, Transmitter and Receiver Module Set, RF Wireless Control Board for Electronic DIY Robot and Remote Switch Project
Limited time offer, ends 11/25
$11.88
Free Shipping
AJMRTC ESP8266 ESP-12F Single Channel Relay Module Development Board, DC 5-80V Wide Voltage Power Supply Wireless Wi-Fi Relay Switch for IoT Smart Home Automation Control
Limited time offer, ends 11/25
$15.23
Free Shipping
NOYITO 2-Channel Micro USB Relay Module USB Smart Control Switch USB Intelligent Control Switch (2-Channel Micro USB)
Limited time offer, ends 11/14
$31.97
Free Shipping
General Driver Board for Robots Based on ESP32 Supports WiFi Bluetooth and ESP-Now Communications Compatible with Raspberry Pi and Jetson Nano @
Limited time offer, ends 11/14
$106.97
Free Shipping
NOYITO 1-Channel USB Relay Module USB Intelligent Control Switch USB Switch (1-Channel USB)
Limited time offer, ends 11/14
$25.97
Free Shipping
AJMRTC ESP8266 Single Channel Relay Module with ESP-12F Development Board, DC5-80V Wide Voltage Power Supply Relay Control Board, Wireless WiFi Switch for Smart Home Automation & IoT Projects
Limited time offer, ends 11/25
$10.54
Free Shipping
