4×3 Matrix Membrane Switch Keypad Arduino FTDI 232 Mini USB to TTL Converter This nozzle is compatible with

This nozzle is compatible with any printer using an E3D V6 hotend and 1

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Laboratory & Testing - Precision equipment and measurement instruments

All MQ-2 modules are sourced from authorized distributors with complete authentication verification

3V - 5V DC Output Type Digital (High/Low TTL) Detection Range 2 cm - 30 cm (adjustable via potentiometer) Detection Angle ~35 degrees effective cone IR Wavelength ~940 nm (near-infrared) Output Current >= 15 mA (can drive small loads directly) Operating Current ~20 mA typical Onboard Indicators Power LED (Red) + Signal LED (Green) Sensitivity Adjustment Onboard multi-turn potentiometer Interface Pins VCC

4×3 Matrix Membrane Switch Keypad Arduino FTDI 232 Mini USB to TTL Converter This nozzle is compatible with4x3 Matrix Membrane Switch Keypad Arduino Quality electronics from The Engineer Store, Bengaluru. Fast shipping, 7 day warranty on manufacturing defects, expert support. Product Overview The 4x3 Matrix Membrane Switch Keypad is an essential input device for Arduino and microcontroller projects. This 12 button keypad features a reliable membrane switch design, making it ideal for creating custom control interfaces, security systems, calculators, and