1.
Maybe you are the person in this video:
https://www.nikolateslasecret.com/?hop=123solved
2. Try not to put DC on the lines. Have another heater and put the diode the other way around.
What math??? You must have some special mathematics, we are not aware of.Do the math for AC power
Maybe you are the person in this video:
https://www.nikolateslasecret.com/?hop=123solved
2. Try not to put DC on the lines. Have another heater and put the diode the other way around.