Showing posts with label Alarm/ Buzzer. Show all posts
Showing posts with label Alarm/ Buzzer. Show all posts

Rangkaian Ding dong bel Rumah

This simple circuit an low cost ding dong bell suitable for calling bell purposes. It is made around IC 8021-2 . IC 8021 has an in-built ...

Rangkaian Alarm LDR anti maling

Anti-theft alarm circuit it produces an audible alarm when fridge is left open for a preset time.Rangkaian This versatile alarm is based on...

Rangkaian Pembangkit Melody|Musik Mainan

Circuit of musik| melody generator you can make using an IC.The UM66 series are CMOS IC’s designed for using in calling bell, phone and ...

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