Most recent activity
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Hi Gordon,
Thank you again for your answers!
Charlieplexing would have been a solution, however that would mean tearing up the currently glued in LEDs and wires. Also I am not sure, if I want that extra complexity in the code. Adding the display flip already slows down LED walk and buzzer sound intervall noticeably.
Unfortunately 5mm LEDs do not fit into the 3D printed wings and I do not have the skills to change the CAD data. Looking at the WS2811 there probably also would not be enough space in the wings to fit those. Even the 3m LEDs + wires were tight.
So I am probably going to try your third proposal: Thinner wire. Currently I use 0.14mm2 stranded wire with PVC isolation. Likely 0.08mm2 stranded wire with silicon isolation would perform much better. Hopefully I can poke it into the board when I double-fold and solder it.
But as I have now gifted the device to my brothers son, I am not sure when I will have the opportunity to test that. :-)
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Currently the servo does not seem to be strong enough to open the wings fully when the device is closed. When it is opened, the wings can be nearly horizontal. I guess the reason is the bending force needed for the 16 cables coming from the 14 LEDs in the wings.
If you have any idea, how to improve that situation, please let me know.
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Based on the "Ghostbusters PKE Meter for Arduino" from CountDeM0net on Thingiverse (https://www.thingiverse.com/thing:2338494), I created a version that uses Espruino Pico.
All the details are in the attached (updated) PDF. -
Ok, thanks, I will do that.
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Short feedback: Yes, the update solved the problem.
Thanks! -
Hi Gordon,
Yes, I am refering to the naming on the "pinout" picture.
Thank you for the clarification!
Do you recommend the limit of 500mA for VBAT only when using USB power or also when using battery power that comes in via BAT_IN?
I updated the PDF to propose thinner stranded wire for the LEDs.