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Doesn't come with sandpaper, photo is just to show it assembled. 3D...
Based on ISD1820 chipOnboard microphone, direct recording10 seconds voice recordingConnections for upto 0.5W SpeakerWith loop playback, jog playback, single-pass playbackHeaders for external switches / LEDWorking voltage: 3 ~ 5VBoard size:54 x 38 mm
Arduino-compatible Board ATmega328 running at 16MHz with external resonator (0.5% tolerance) USB connection off board Supports auto-reset Max 150mA output Over current protected Reverse polarity protected DC input 5V up to 12V On board Power and Status LEDs Size:(Long)33mm *(wide)17mm
chip board ENC28J60-I/SO25MHZ crystalHR911105A3.3 V power supply pinSize:5.9cm x 3.5cm
Module for experiments with induction heating or high voltage production*Specifications:Power supply 5–12Vpower at 12V 120Wcurrent consumption at 12V power supply 10Afrequency 30–50kHz https://www.youtube.com/watch?v=juMVLnSF4aw
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