Sounds Sensor Cheat Sheet

Posted on Saturday April 14, 2018 by Eric Potvin

Audio Power Amplifier

Audio Power Amplifier

  • 5V power supply can output 3W +3 W power
  • Working voltage 2.5-5V, limit operating voltage 5.5V

Voice Recording Recorder Module

Voice Recording Recorder Module

  • Working voltage: DC 3 ~ 5V
  • Loudspeaker: 8, 0.5W

Digital Amplifier Board 2x15W Two Channel Stereo

Digital Amplifier Board 2x15W Two Channel Stereo

  • Class D (PWM modulation type)
  • Chip selection: PAM8610
  • Power supply range: DC6V-15V (Nature Protection) (Recommended power: DC 12V2A)
  • Output power: 10W * 2 (8R load) / 15W * 2 (4R load) (Recommended speaker: 10-30W)
  • Frequency response: 20HZ-15KHZ
  • SNR: 90%
  • Input impedance: 20K
  • Quiescent current: 20mA (DC12V)
  • Output impedance: 4-8R
  • Harmonic Distortion: <0.1%

Digital amplifier board with volume potentiometer

Digital amplifier board with volume potentiometer

  • Two-channel stereo
  • 5V power supply can output 5W + 5W power
  • Directly drive 4Ω, 8Ω speakers
  • Unique non-LC filter Class-D digital power board
  • Working voltage 2.5-5V - limit operating voltage 5.5V

Mp3 lossless decoder board

Mp3 lossless decoder board

  • Power supply range: 3.7 ~ 5.5V

Speaker Module

Speaker Module

  • Working voltage: 3.5-5.5V
  • Working current: <25mA

Microphone / Detection Sensor High Sound Sensitivity

Microphone Sensor High Sound Sensitivity

  • Operating voltage 3.3V-5V

Passive Buzzer Alarm Module

Passive Buzzer Alarm Module

  • Frequency 2K-5K
  • VCC : 3.3V-5V

Microphone Amplifier Module

Microphone Amplifier Module

  • Voltage:3-5V
  • fixed gain 20dB