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Simple 12v compact fluorescent tube ballast/inverter only eight components! updated!

Step 3Back to the inverter

Back to the inverter
now you need to wind the coil as shown.
all windings must be wound in the same direction and correct
wire sizes.
first wind the secondary coil with 90 turns of 0.5mm wire tap it then another 35turns(once every time it goes through the hole)
then wind 35 turns of 0.7 mm wire for the primary.
and 14 turns of 0.5mm wire on top of the primary to make the feedback.
leave 2.5cm of wire at the start and finish of each winding.
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