crab-64-inventions (sri)

Instructables

• 

  How to Drive a Piezo Buzzer With Um66 Music Transistor

  4 4.0K
• 

  Water Tank Alarm

  11 16K
• 

  I Pod Stereo Loud Speaker

  1.5K
• 

  Making of Table Top Water Fountain

  111 42K
• 

  DIY Lcd Projecter With 20watt Led

  38 20K