.:madworm:.'s photos with the keyword: ring

Wearable Electronics - A small coat button

Wearable Electronics - A small coat button

.:madworm:.
23 Sep 2013 358
Once connected to power using conductive thread, this little thing (just 18mm diameter) will blink / fade its LEDs. Switching between modes is done by shorting the two marked pins before powering up the device.
TSOP38238 ready - IR control

TSOP38238 ready - IR control

.:madworm:.
09 May 2012 146
'LOTR' edition ;-)
TSOP38238 ready - IR control

TSOP38238 ready - IR control

.:madworm:.
09 May 2012 127
'LOTR' edition ;-)
Dimmed inner ring

Dimmed inner ring

.:madworm:.
15 Feb 2012 100
PLCC2 variant - front

PLCC2 variant - front

.:madworm:.
15 Feb 2012 113
Code name: Lord Helmet

Code name: Lord Helmet

.:madworm:.
15 Feb 2012 109
Final revision boards for version 2. Now on to something new.
Code name: Lord Helmet

Code name: Lord Helmet

.:madworm:.
15 Feb 2012 121
Final revision boards for version 2. Now on to something new.
PLCC2 variant - back

PLCC2 variant - back

.:madworm:.
15 Feb 2012 110
Purple everything!

Purple everything!

.:madworm:.
15 Feb 2012 88
This time shipping 'only' took 11 days...
And the final batch works as well

And the final batch works as well

.:madworm:.
18 Feb 2012 142
I'm glad it works. Now I can add these to the shop without a dark shadow looming over me.
Pentax s5z LED-ring

Pentax s5z LED-ring

.:madworm:.
11 Apr 2013 212
More light for macro shots - or so I hope. The center hole (28mm) should be wide enough to make this ring just slip over the camera's extended objective and bring the light to where it is needed. I may have to do some grinding and smoothing of the inside to get a good fit and prevent scratching the objective - which is made of silver painted plastic. I was able to squeeze a little controller board inside the cutout area. No fancy constant current control, just a lot of resistors, a mosfet for PWM control and an ATtiny13 with up/down buttons. It's meant to run with 5V DC. Initially I had the idea to add a little boost converter to make it run with 3V (2x AA cells) or a LiPo, but that was scrapped.
The final boards - green

The final boards - green

.:madworm:.
17 Feb 2012 138
Except for the addition of the 'Lord Helmet' icon on the silkscreen, this board is quasi identical to this one and it is also part of the last batch for the 'RGB LED Ring V2' project.
And the final batch works as well

And the final batch works as well

.:madworm:.
18 Feb 2012 125
I'm glad it works. Now I can add these to the shop without a dark shadow looming over me.
The final boards - green

The final boards - green

.:madworm:.
17 Feb 2012 123
Except for the addition of the 'Lord Helmet' icon on the silkscreen, this board is quasi identical to this one and it is also part of the last batch for the 'RGB LED Ring V2' project.
Inner ring fully on

Inner ring fully on

.:madworm:.
15 Feb 2012 121
Unfortunately the blue LEDs are much brighter than the 3 orange ones. Next time I might try using 0603 LEDs, maybe even 0402 ones. But I'll need a magnifier cap for that.
Final revision boards

Final revision boards

.:madworm:.
15 Feb 2012 127
Seems to work just fine. And this time the 'FTDI' connector is actually correct.
Almost successful

Almost successful

.:madworm:.
04 May 2013 158
It cracked ;-( I need a much better way to prevent Sugru from sticking to unwanted places.
LED ring + Sugru

LED ring + Sugru

.:madworm:.
04 May 2013 168
The idea was to use the rubbery Sugru to make the LED ring light stay in place. Almost works, but not quite.
27 items in total