Light Alarm Kit – CK1000

Product Description

Light Alarm Kit – CK1000

Light Alarm Kit.  A sensitive photo Darlington transistor is used with a CMOS and gate. The circuit detects light and triggers a siren. You could add your own triac or relay and switch practically anything. The kit uses the MAL12 Darlington super alpha phototransistor, typically about ten times more sensitive than a normal phototransistor. The circuit usage includes burglar alarms, medicine cabinet alarm, automobile trunk alarm etc.  DIY K8

Specifications:

• L: 1-7/8″ W: 7/8″ H: 3/4″
• Requires 9 volt battery (or Use this Power Supply instead of a Battery)
• Sensitivity is adjustable
• Electronic Kit – Soldering required