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Hi-fi, Radio, and Retro: The DIY Projects Spectrum Readers Love

Cars That Think

Far and away our most popular article in the last five years has been “ Build Your Own Professional-Grade Audio Amp on the Sort of Cheap ” (November 2018). And a follow-up to that article, “ A Web-Enabled, High Quality, DIY Audio Amp ” (March 2022), comes in at No. Are there trends in DIY projects you think we’re missing?

DIY 75
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IoT-ize Your Old Gadgets With a Mechanical Hijacking Device

Cars That Think

It's not hard to turn them on and off with a connected socket adapter of some sort, but as you start to go back more than a few years, things become increasingly designed for direct human interaction rather than for the Internet, with buttons and switches and dials and whatnot. Or, that was the idea, anyway.

DIY 142
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Build Your Own Hi-fi Ear Defenders

Cars That Think

For years, I have been trying to improve my personal audio-monitoring situation without going to the expense of the systems used by professional touring bands, which include custom-molded earpieces. I was on the hunt for another cheap small MEMS mic that could handle louder sound sources.

Building 121
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Volt Blocher

Honda S2000 EV Conversion

I wasn't sure what I was going to do for balancing as anything on the market is not cheap. He had found a few schematics of shunting balancers that people had designed. I messed around with the schematics in prototypes and although a good stepping stone they didn't work the way I wanted so I began designing my own circuit.

Volt 40
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18650 Battery Specification, Price, Charger, Holder, BMS

Electric Vehicless

You may find some local brand batteries starting from 35 INR but never go with a cheap battery only as per our opinion you may purchase from either amazon ,Robu or authenticate source. If you want to make you own DIY lithium ion cell & less idea about that than you may read following book for that or check Best book for electric vehicle.

Price 52