Firstly I didn't set out to make a cheap HoHoHo solution. I set out to use what I had available.
Bymetal strip have their place. sure. But I am lacking to see how using multiple metal interfaces conducting heat from the base plate is "better" than measuring the ambient air temperature.
I am also...
Although one wouldn't solder insulated crimps. Unless you like the smell of burning plastic.
I dont solder crimps cause it can spoil the spring in the contacts.
$5 crimpers will only give a $5 crimp. Buy the best you can afford. My Harwing and AMP crimpers are still top notch.
I am still waiting for the Controller PCBs to be delivered.
In the mean time, I have uploaded a couple of photos in a gallery of the cases I intend using this controller in.
http://mynoellights.com/blog/?p=1009
Being a avid DIY bloke, I like to biuld as much as my stuff as I can.
I am always looking for neat brackets etc.
I recently purchased these:
http://www.ebay.com.au/itm/Professional-Picture-Framing-Angle-Brackets-Large-23-5mm-x-23-5mm-Pack-of-50-/200968254316
These look pretty good too...
lowest I can go is 9.4 KHz - and it works better - why a IRL3803 cause thet is what I had in my parts bin.
Davrus,
Generally I only supply to people local to me - for two reasons:
I am not set up to do decent type testing so I can promise it will work is all situations
If they have an issue...
Following on from what David implied these shouldn't be working, I got a couple of beefier server fans out and tried them. And yes they do whine on start up.
The PWM clock is 9.6/8 MHz.
Lifting the start duty cycle to 50%, lifting the lower threshold to 35 and lowering the upper threshold to...