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- Thu Jun 08, 2017 7:50 pm
- Forum: Vehicle Warning Equipment Discussion
- Topic: How to Add a Crystal in Electronic Siren Circuit
- Replies: 2
- Views: 7557
How to Add a Crystal in Electronic Siren Circuit
Good day,all I have finished a electronic siren circuit which based on three transistors.Please look at the following circuit diagram: http://www.circuitstoday.com/wp-content/uploads/2008/06/electronic_siren-circuit.jpg This electronic siren circuit I found on internet is based on a complementary tr...