SENSOR Micro Khuếch Đại Âm Thanh 3.3v / 3.5v Lm393 Cho Arduino

100% brand new and high quality The LM393 is a microphone ule that works with our Arduino microcontrollers. It can be used for audio detection and allows you to control your system with sound e.g. clap-on, clap-off control. Keep in mind it can only detect audio, not differentiate between varying audio levels. Voltage:3.3V - 5V Size:4.50cm x 1.7cm/1.77*0.67 inch Digital Switching Outputs Adjustable Sensitivity External GND GND Quantity:1Pc material:CCL colour:BLUE packing:1 x microphone sound ule for Arduino Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.