FK245
Attribute:
LIGHT ACTIVATED ALARM
Categories : Series 2 Voice & Sound Generator , Other Sound ,
This is a low cost and practical demonstration of photo electronics. This circuit will sound an alarm through its included 8 Ohm 0.25W speaker when the on-board photo-transistor is exposed to light. Light sensitivity is adjusted by a trimmer potentiometer.
Technical Specification- Power Supply : 12VDC @ 22mA max.
- Dimensions : 2.38" x 1.24" x 0.6" (plus speaker : 60.5mm x 31.5mm x 15mm)
