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USB Portable Speaker With A...
12 V Battery Level Indicator
happy to hear that
this circuit works only with minimum 9V input and it cannot be used for boosing 3-4 v to 5V
yes but u il get only 5V 1A output
what type of circuit are u opting for?
what kind of circuit are u opting for?
Long range spybug.
DIY 3D Head-Mounted-Display using your smartphone