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
- 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
There are no reviews yet.