A Speaker with Dancing Ferrofluid
A speaker project isn’t usually very different, but we couldn’t help but notice [Electronoob’s] latest speaker not for its audio performance but because it features dancing ferrofluid and is an
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Portable Audio Hacks
Hackaday Prize 2023: Supercapacitors Let Solar Speaker Work in Darkness
Solar panels are a great way to generate clean electricity, but require some energy storage mechanism if you also want to use their power at night. This can be a
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