.:madworm:.'s photos

Da Switch

13 May 2011 154
I used used solder wick instead of a piece of wire. No extra flux required ;-)

Does this one have any dual use issues?

12 May 2011 181
Throwing it wouldn't work, but I bet I could do some serious poking with it. Nasty little headers...

Mr. Purple

The Tower of Power

10 May 2011 165
...not the 'Hour of P...' ! This will kill most of the noise on the supply lines of my current LED illumination project.

Smile

10 May 2011 161
This shade of purple looks pretty lifelike.

Smoothing boards

10 May 2011 194
This time I got them much quicker. It only took about 6 days via airmail.

Ripples

09 May 2011 193
Some of the water droplets don't instantly fuse with the surface, but float on top of it.

Ripples

BestKitchenLightsEver(tm) V1.01

04 May 2011 198
Incorporated the FAT capacitors in the main PCB + some minor changes.

Kitchen Lights - capacitor addon

25 Apr 2011 190
I had to find out the hard way that my Kitchen Lights boards lack a lot of smoothing capacitance on the LED driver supply lines. Therefore I made this board, which just attaches to the bus in between the main PCBs and should take care of the problem. A lot later I realized that one layer of it it looks somewhat like a happy face ;-)

Supply voltage ripple with 2200µF

Supply voltage ripple

23 Apr 2011 177
All three LED boards connected to the supply voltage bus. Each board does PWM and there's a magic frequency that creates a noticeable (audible + visible) beat-note. Adding some capacitance helps. Should have been on the PCBs, but it might have worked without it.

Big is beautiful

Little bro

Supply voltage ripple with 220µF

What? It works now ;-)

All 3 boards


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