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Jan 16, 2020, 12:40 AM
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The final speaker solution


After literally years of looking for a compact way to power a bluetooth speaker from the mane battery, the reason why they never worked was finally found. It wasn't the large filter capacitor or the ripple but the $1 car chargers only handling 1 Amp. When they were upgraded to 2A, the speakers started working with no changes. 1A is not enough to power a speaker, despite all the current measurements coming in below 1A.

The easiest solution was always to not hack anything but stick an original speaker in with a plane old USB cable & car charger. The hacking apart of car chargers & speakers was to make them more compact & lighter. Now the convenience of only having to charge the mane battery & transmitter battery, with no beeping after 10 miles, is finally known.
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