Simple Music Generator with UM66

Hi every one Free circuit diagrams 4U always try to give you useful and simple circuit diagrams.Already we have given you many circuit diagrams with UM 66 Ic But through this circuit diagram you can get a good sound.Here We have used Bc 148 transistor and you can operated this circuit diagram with 3V

Note:
          # Build this circuit on a pcb
          # When you supply power don't supply over the limit