Blackboard VHM-314 Bluetooth 5.0 MP3 Decoder Board （Deluxe Versions + Micro USB） Mornsun LMF75-23B15 AC/DC 75W Enclosed Switching Power Supply DC12V 1 Channel Relay Module

DC12V 1 Channel Relay Module Delay Timer Control Switch Board

and integration with security management platforms

3V) USB Interface Micro USB port ProgThe Engineer Storeming Environment Arduino IDE Flash Memory 4MB (4M Bytes) Compatibility Expressive SDK Flashing Mode BRT (Bias Resistor Transistor) for easier flashing Radiating Area Increased by 30% for better stability Package Includes

and all 5V-logic microcontrollers Origin Original/Authentic Warranty 7-day warranty on manufacturing defects Support Email & WhatsApp 24/7 Why Choose This MQ-2 Gas Sensor Module

Industry-standard component

Blackboard VHM-314 Bluetooth 5.0 MP3 Decoder Board （Deluxe Versions + Micro USB） Mornsun LMF75-23B15 AC/DC 75W Enclosed Switching Power Supply DC12V 1 Channel Relay ModuleBlackboard VHM 314 Bluetooth 5. 0 MP3 Decoder Board Deluxe Versions + Micro USB