9M2RIE
2009/06/15
Tempat Ketuk Dah Siap....tapi tak ketuk lagi
Complete on/off supply switch
Speaker 8ohm 2 watt
Audio out for external speaker and external supply voltage +9v to +12v
Supply volt boleh guna battery 9v
Ni circuit dia. Oscillator guna IC 555. Guna veroboard.
dah siap dengan tapak sekali
key ni beli la
jadilah sampai masa bleh ketuk
oscillator buat sendiri
kotak hitam plastic jer kotak besi mahal
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