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ماژول میکروفون LM386 دارای خروجی آنالوگ

کد انبار : 5874-430-9472
مدل کالا : LM386
جستارش : A1-04-1006B
موجودی: 5
قیمت:
72,340تومان

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ماژول میکروفون LM386 دارای خروجی آنالوگ

Description:
the use of original audio processing chip (not domestic or bulk disassembling parts)
the output audio signal amplitude adjustable
the use of single-point grounding wiring, reduce loop gain, improve the quality of audio signals
output power 325mW
with fixed bolt hole, easy to install
small board PCB size: 39.05 x 22.86mm
standard arduino interface, can be directly connected to the arduino

development board:
Second, module interface description (3-wire system)
VCC: External 4-8V voltage
GND: external GND
AO: Audio output interface
connect ingress VCC and GND, the module power led light (red light at the bottom right), adjust the module potator to the suitable position. (This potopotorometer mainly adjusts the amplitude of the AO output analog signal.) At the same decibel volume, the AO output amplitude is larger when adjusted clockwise, and when adjusted counterclockwise,the smaller theAO output amplitude, which is equivalent to the positive ground ingresion of the microphone sensor when adjusted to the end.
at this time, the AO terminal can be connected to the ADC chip or microcontroller ADC pin for ADC operation, to get the amplitude of the sound value change value, to make more more flexible secondary development, AO side can also be directly connected to the horn or headphones, to achieve the amplified audio signal playback.

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