Commercial lithium-ion batteries have the most advanced protection among all types of batteries. This level of protection for lithium-ion Li-ion batteries is due to the fact that, being…
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One-tube and two-tube radio receiver, design, parts, circuit diagrams, wiring diagrams, power supply, radio tube pinout.
A simple single-tube radio is designed for radio stations operating in the medium (200-500 meters) and long (800-2000 meters) wavelengths range. Tuning to radios is done by a…
Home-made unloading reversible electric traps for traps, design and installation features.
Unloading reverse electric closures are the opposite of electric closing clamps. Arranged almost the same, but they work when the load is removed from the contactor, under the…