Tutorial on how to determine the primary secondary feedback foot on a cellphone charging transformer without a multitester
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Cellphone cas transformers are usually used for joule thief 1.5vdc to 220vac or 3.7vdc to 220vac.
Often I find cases where many people fail in making this joule thief or voltage thief inverter.
And the cause is the wrong schematic for the footing of the transformer.. So not all transformers have the same primary secondary position and feedback.
In this video I explain how to determine the legs of a cellphone charging transformer without a multitester too
Note:
WATCH THE VIDEO UNTIL THE END TO UNDERSTAND. ️
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Негізгі бет Тәжірибелік нұсқаулар және стиль how to find out where the secondary primary and feedback transformer are for the cellphone charge
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