ZK-SJ30 Buck Boost 30A Converter uses LT8705
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20:21
The ZK-S4 Boost Converter works down to 2V
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18:42
New PCBs: Visual Current Limiter - from JLCPCB
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20:56
Poucas pessoas conhecem esse segredo das moedas! Muito útil
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34:00
Coulometers Tested TK15 H56C
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21:29
Vacuum Tube Tesla Coil Review+schematic!
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15:31
1800W 12-90V Universal E-Bike Ladegerät unter 100€
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43:52
O pré-amplificador de £ 25.000 que deu errado Tom Evans Mastergroove SR mkIII RE-UPLOAD. Conserte...
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15:48