tenthirty
Well-Known Member
For us lazy stoners.
http://www.boostled.com/product_p/typhon.htm
http://www.boostled.com/product_p/typhon.htm
Ever consider adding a handle to the case?...Now ....
finished and installed new power adjust interface ...
With an 4N33 optocoupler ...
View attachment 3320522
And also installed a RCA plug at rear of case ,for PWM input signal. (+5VDC )
View attachment 3320510
And completed the "AutoDia" device ,Arduino Uno based.
View attachment 3320511
With two parallel outputs ,able to drive two V series units.
AutoDia device :
View attachment 3320512
SET:
At the center ,a 10 turn ,low tolerance (high precision)smooth linear operation pot ,the one with the flat screw head and golden screw -on cover ,adjust the fall/rise (half period ) time .
From 1 minute to 720 min (12 hours) ,in 'steps' of 1 min .
So,at 24 h full light regime ,the device will be increasing power for 12 hours and will decrease power for the other 12 hours.
At top right is the Max Power adjust pot .Single turn ,many-many small 'clicks' ,
adjusts max power "peak" from 55% up to full 100% ,in steps of 1% .(linear)
Bottom Right is the Min Power adjust pot.same as before , single turn ,many 'clicks' pot ,
adjusting min power "valley" from 10% up to 54% ,in steps of 1% .(linear)
An example of " Day " operation is : At veg of 18 hours ,it can increase power from say 20% atr hour 00:00 up to 60% at hour 09:00 ("Noon" ) .
And then it will decrease it gradually and linearly back to 20% ,at hour 18:00 .
At flowering ,it can be set ,to increase power for 6 hours ,say from 40% up to 100% and then for the rest 6 hours ,
to decrese from 100% back to 40% ...
Not something fancy ..(geolocation,season,multi-channel;s,etc ..)
But it was quickly made and it will do it's job ,just fine ,I may suppose ..
View attachment 3320514
Golden 'screw-on cover'is the 'case' from a cheap old rca wire plug .
It serves to avoid accidently turn the rise/fall time pot ,as it is quite sensitive in changing minutes .
The other two are 'locking' into their setting (res value) in every 'click' ,as they rotate
Cheers.
You know me, I usually take the lower tech approach. I though about adding an ammeter to the strings but I realize it consumes some power all the time, slightly lowering efficiency. So you can have it both ways by temporarily connecting a multimeter to check current and just mark it on the board where the dimmer is mounted.Dimming by Resistor.
Design can be build with using only an appropriate potentiometer ,
or a more complicated approach of using a single pole rotary switch with multiple positions and the dedicated resistors (connected in series) .
Easy to build ,not much fuss .
Thing is that cheap potentiometers have rather large tolerances from the indicated resistance and
also dimming by a potentiometer is not the most 'linear ' dimming fuction ever .
A great addition would be any mean of measuring the driving current (Io ) ,thus a digital or analog amperemeter is rather a great addition ,but also more circuitry involved.
The rotary switch option,as it has 'preset' Io outputs ,won't benefit from a amperemeter really.
What if all if the above has already been Implinated...All this money could be spent on more cobs, heat sinks, and HLG-C
I think there are ammeters that work by wrapping it around a wire to check for magnetic flux. I'm not sure how much power that would save. I'm more worried about adding complexity than I am making minor improvements to efficiency, which is the reason I leave things like ammeters out of my designs.You know me, I usually take the lower tech approach. I though about adding an ammeter to the strings but I realize it consumes some power all the time, slightly lowering efficiency. So you can have it both ways by temporarily connecting a multimeter to check current and just mark it on the board where the dimmer is mounted.
Crude example
View attachment 3421943
....you can check amps without afect to propio consume....and the consume for these ammeters are independent with her self bateries...pinzo ammeters...I think there are ammeters that work by wrapping it around a wire to check for magnetic flux. I'm not sure how much power that would save.....
...time for me to back to only read mode...All this money could be spent on more cobs, heat sinks, and HLG-C
...im wrong ...im talking on measuring the AC side and Supra talking ...measuring on the DC side.......you can check amps without afect to propio consume....and the consume for these ammeters are independent with her self bateries...pinzo ammeters...
saludos