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Portable Ruby Guitar Amp
I once made an LED strip Arduino controlled infinity mirror and used a simple resistor based voltage divider to power both the MOSFET based LED driver AND the Arduino from a single 12v power adapter. I set my voltage divider output to 9v for the Uno, and added a short pigtail with a barrel plug from the driver board plugged into the socket on the Uno.
Awesome! Love the look. Standard 12v LED strips can also be powered from a 9v battery to make it completely portable.
Wouldn't it be a good idea to seal the end of the cord that is submerged to avoid water from wicking up the wire, and the inevitable corrosion that it would cause?
Wouldn't it be a good idea to seal the end of the cord that is submerged to avoid water from wicking up the wire, and the inevitable corrosion that it would cause? Maybe by placing the whole thing in a plastic bag, or zipper bag before going into the pot?
I think there is something missing here.
Very nice build. I love those little LM386 chip amps. I made a very similar unit a few years ago. I used a switching power jack which will disconnect the 9v batteries when it is inserted. The two 9v are wired in parallel to give longer run time. I designed this to be used with MP3 player or smartphone so I did not add a potentiometer volume control to the circuit.
Please include with your project, text based instructions. Having a video is great, but there are those out there (like myself) who are hearing impaired and cannot always understand everything which is being said in audio dialog of a video. Thank you.
The fix for me with a Realtek 8168 adapter came in the form of an updated Windows 10 driver downloaded directly from Realtek, replacing the Microsoft provided one installed with Windows 10. My suggestion for anyone else facing this problem is to check for a manufacturer provided updated driver before trying any other methods.
As an FYI, in the bottom right corner of the ad, there is (barely visible) a word-link that says "Later". Clicking that will close the ad.
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