Description
Matrix 16 Button Keypad Module (4x4 Keypad)
does not support USB-PD negotiation
All products are sourced directly from authorized distributors with full authentication verification and quality checks before dispatch
Supports skill development in electronics programming
Specification Details Type Electronics Component Sensor Type MQ-7 Carbon Monoxide (CO) Gas Sensor Origin Original/Authentic Warranty 7-day warranty on manufacturing defects Support Email & WhatsApp 24/7 Detection Range 20-2000 ppm CO Response Time <10 seconds Operating Voltage 5V DC Output Analog & Digital Key Features
HM-BT4502 Bluetooth Low Energy (BLE) Pass-through Module 4 Pin Push in Conductor Matrix 16 Button Keypad ModuleHM BT4502 Bluetooth Low Energy (BLE) Pass through Module
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
