.:madworm:.'s photos with the keyword: PLCC6
Almost looks like a little car
26 Dec 2009 |
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4 times the fun. I need a cheep source of these SMD RGB LEDs. I don't feel like buying a full reel yet.
SMD RGB LED - failure mode
09 Dec 2009 |
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They don't like the heat and just die. OK might have guessed something like that.
BUT they also suck in flux with all the dirt and just short out! WTF !! Now that I've killed 5 of these, I can only run one of the boards. I need to get more for replacement.
RGB LED Ring - LED test
20 Nov 2009 |
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Trying to figure out the right resistor values.
For 5V:
R: 1.75V -- 100Ω
G: 2.55V -- 90Ω
B: 2.60V -- 110Ω
RGB LED Ring - LED test
20 Nov 2009 |
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Trying to figure out the right resistor values.
For 5V:
R: 1.75V -- 100Ω
G: 2.55V -- 90Ω
B: 2.60V -- 110Ω
RGB LED Ring - LED test
20 Nov 2009 |
|
Trying to figure out the right resistor values.
For 5V:
R: 1.75V -- 100Ω
G: 2.55V -- 90Ω
B: 2.60V -- 110Ω
RGB LED Ring - LED test
20 Nov 2009 |
|
Trying to figure out the right resistor values.
For 5V:
R: 1.75V -- 100Ω
G: 2.55V -- 90Ω
B: 2.60V -- 110Ω
RGB LED Ring - 2nd prototype
30 Jan 2010 |
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I got 4 boards from BatchPCB again, only this time 2 of them had broken traces. Fortunately they can be fixed as shown.
This revision now supports auto reset and has a smaller spacing between the pads for the solder bridges. The next one will come with jumpers.
RGB LED Ring - V1.21
03 Feb 2010 |
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The next round in my prototyping game. I declare this board as the final version, more or less ;-)
Design files, code and documentation .
V2.0.c front
06 Jan 2012 |
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Yesterday I saw a light bulb with PLCC2 LEDs. They were 'speaking to me' ;-) So I just added a 'dual footprint' to the board. If you only need one color, just use PLCC2 LEDS and only populate one LED driver chip.
V2.0.c backside
06 Jan 2012 |
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Yesterday I saw a light bulb with PLCC2 LEDs. They were 'speaking to me' ;-) So I just added a 'dual footprint' to the board. If you only need one color, just use PLCC2 LEDS and only populate one LED driver chip.
RGB LED Ring - V1.21 PCB
03 Feb 2010 |
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The next round in my prototyping game. I declare this board as the final version.
RGB LED Ring - Real PCBs
09 Dec 2009 |
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I finally got the PCBs from sparfun. It almost took 6 weeks. 9 days for the letter to get to me. I wonder what takes so much time for "air mail". Must have been my "dear friends" at the customs office again.
Unfortunately this is _not_ the updated design I sent them shortly after I had placed my order, so this PCB version doesn't support auto-reset :-( Let's hope the rest works.
RGB LED Ring - Real PCBs
09 Dec 2009 |
|
I finally got the PCBs from sparfun. It almost took 6 weeks. 9 days for the letter to get to me. I wonder what takes so much time for "air mail". Must have been my "dear friends" at the customs office again.
Unfortunately this is _not_ the updated design I sent them shortly after I had placed my order, so this PCB version doesn't support auto-reset :-( Let's hope the rest works.
Edit: Works great and will go on my BIKE! 100% illegal taillights ;-)
RGB LED Ring - Real PCBs
09 Dec 2009 |
|
I finally got the PCBs from sparfun. It almost took 6 weeks. 9 days for the letter to get to me. I wonder what takes so much time for "air mail". Must have been my "dear friends" at the customs office again.
Unfortunately this is _not_ the updated design I sent them shortly after I had placed my order, so this PCB version doesn't support auto-reset :-( Let's hope the rest works.
RGB LED Ring - assembled
RGB LED Ring - Real PCBs
09 Dec 2009 |
|
I finally got the PCBs from sparfun. It almost took 6 weeks. 9 days for the letter to get to me. I wonder what takes so much time for "air mail". Must have been my "dear friends" at the customs office again.
Unfortunately this is _not_ the updated design I sent them shortly after I had placed my order, so this PCB version doesn't support auto-reset :-( Let's hope the rest works.
RGB LED Ring - Real PCBs
09 Dec 2009 |
|
I finally got the PCBs from sparfun. It almost took 6 weeks. 9 days for the letter to get to me. I wonder what takes so much time for "air mail". Must have been my "dear friends" at the customs office again.
Unfortunately this is _not_ the updated design I sent them shortly after I had placed my order, so this PCB version doesn't support auto-reset :-( Let's hope the rest works.
RGB LED Ring - A BatchPCB test
01 Nov 2009 |
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Top side.
This is revision 1.21
It is now equipped with an optional (jumper) ultra low drop voltage regulator and can run from either regulated 5V DC or from up to 14V DC (no spikes please). The input voltage is limited by the regulator's decoupling caps. I could only get 16V tantalum types in 1206. It also now supports auto-reset for even easier code updating.
With the onboard regulator it can conveniently be powered by say a 9V block or 4 AA batteries.
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