Quote:
Originally Posted by Stefan Buda
The heater element for the secondary is done. 3D printing a soldering fixture made the job nice and easy, and accurate too.
It will deliver 3W from a 12V source. I will try to avoid using PWM. My 100mm Honders guide scope uses a 3W resistor string and recently I got through a night of extreme humidity without any dew on the front lens.
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Your attention to detail continues to amaze
