PAM8406 Digital Amplifier Board 5Wx2 Stereo M70 ISD1820 recording module voice board for arduino

Discription of PAM8406
1. Volume: 23 * 24MM weight:0.45 g
2. Excellent noise suppression. in the absence of contact input audio, you will not hear any noise even put your ear close to the speaker
3. The two-channel stereo, 5V power supply can output 5W + 5W power, directly drive 4, 8 speakers, output power, full of energy, good sound quality, with left and right channel volume adjustment.
4.unique non-LC filter Class-D digital power board, it can be used directly for the USB-powered from computers.
5. dual-panel wiring and proper solution to potential balance and channel crosstalk caused by the wiring between
6. ultra-miniature design, it can easily be placed in a small space inside a variety of digital products, high amplification efficiency.
7. Solder by machine
8. The rated working voltage 2.5-5V, limit operating voltage 5.5V

Description of ISD1820
The size:38 mm * 42.5 mm and the working voltage: DC3-5V
Features of ISD1820 as follow:
1.Easy to use10 Second voice recording
2.High-quality, natural voice reduction
3. Can be used as a loudspeaker module
4. With loop, jog play, single-pass playback
5.Available single-chip control
6.This module can be directly driven8Europe0.5WSmall speakers

Power supply:3-5V, Can be accessed by pin power;
Recording and playback control:Key control or single-chip, control linesIOHas been elicited;
Press to control the recording and playback operation method:
RECkey:Recording button, press and hold can be recorded, release the button to stop recording;
RLAYEkey:Trigger mode playback, click to play the current entire paragraph of the voice;
PLAYLkey:Jog mode playback, press and hold before playback, release to stop playback;
RPLJumper:Loop mode control, can be looped;
FTJumper:Through control, can make the microphone head voice to the speaker playback;
Note: The module output power is small, so the sound is also small, it is recommended to meet our miniature digital audio amplifier board and use3WSpeakers, can be used to achieve greater sound effects. Connection as follows: