Description:<br>1  Using sensitive photosensitive resistance sensor<br>2 The comparator output signal is clean  good waveform  driving ability  more than 15mA.<br>3  With adjustable potentiometer to adjust the brightness of the light detection<br>4 The working voltage 3.3V-5V<br>5 The output form: DO digital switching outputs (0 and 1) and AO analog voltage output<br>6 A fixed bolt holes for easy installation<br>7  PCB Size: 3.2cm x 1.4cm<br>8  Using a wide voltage LM393 comparator<br><br>Product wiring instructions: <br>1  VCC positive power supply 3.3-5V <br>2  GND power supply is negative <br>3  DO TTL switching signal output <br>4  AO analog output<br><br>                          <img src="//gdetail.image-gmkt.com/030/717423496/2016/4/466300e7-5b28-40db-8eb9-d9fa363abd60.jpg"  onerror="this.src='http://gdetail.image-gmkt.com/030/717423496/2016/4/466300e7-5b28-40db-8eb9-d9fa363abd60.jpg'; $(this).attr('onerror'，'');" ><br><img src="//gdetail.image-gmkt.com/030/717423496/2016/4/02264549-5c26-47c2-bc72-99a55763f5ab.jpg"  onerror="this.src='http://gdetail.image-gmkt.com/030/717423496/2016/4/02264549-5c26-47c2-bc72-99a55763f5ab.jpg'; $(this).attr('onerror'，'');" ><br><br><br><br><br><br>Packaging Details<br>Unit Type: lot (10 pieces/lot) Package Weight: 0.050kg (0.11lb.) Package Size: 17cm x 16cm x 5cm (6.69in x 6.30in x 1.97in)