I haven't seen the schematic in the book but I hear the pins on the opto isolator are the wrong way around so some modification may be needed
All my tests are showing better charge with high capacity caps (or more importantly discharging the caps at low voltage). There appears to be a sweet spot with cap pulsing as well... too high a voltage then too much energy will be lost as heat, too low a voltage and the pulse won't be sharp enough for our needs. I'm not sure how pulse frequency effects it but it may have a part to play as well. As Aaron has suggested, I don't think you want it to be higher than 3 volts above the charging voltage.
I have only heard one report of good results with low farad caps. I think the link is on here already so I'll try and fish it out.
All my tests are showing better charge with high capacity caps (or more importantly discharging the caps at low voltage). There appears to be a sweet spot with cap pulsing as well... too high a voltage then too much energy will be lost as heat, too low a voltage and the pulse won't be sharp enough for our needs. I'm not sure how pulse frequency effects it but it may have a part to play as well. As Aaron has suggested, I don't think you want it to be higher than 3 volts above the charging voltage.
I have only heard one report of good results with low farad caps. I think the link is on here already so I'll try and fish it out.
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