gchart
(gchart)
December 30, 2019, 7:43pm
20
I wanted to get a feel for size and fitment before I started ordering strips of metal and PCBs. So I decided to make a scale mock-up.
I used Fusion360 and my 3D printer to make the model. But no 3D parts will be used in the actual build of the flashlight.
Legend:
Black: outer brass trim (I could find brass more readily than copper in the right size)
Blue: inner brass strip for making a ridge to mount pieces to
White, solid: base plate, likely smoked translucent acrylic
White, holes: main PCB with most circuitry
Gold: PCB with 8x 2835 LEDs (rated at 150mA, 4000K)
Shown with the battery, switch, and the Qi charging coil
Agro
(Agro)
December 30, 2019, 8:22pm
21
Anything that would show the scale?
MRsDNF
(MRsDNF)
December 30, 2019, 8:27pm
22
The mockup looks really good. Is the switch about 5mm square?
gchart
(gchart)
December 31, 2019, 11:07pm
23
Here it is next to a 18650 and Tool AA for scale. The switch is 12mm square with a ~7mm diameter button.
gchart
(gchart)
January 14, 2020, 4:39pm
27
Among other things (see the OP), PCBs have been created and ordered using Oshparkās After Dark service (black substrate with clear mask).
Main board
LED board
MRsDNF
(MRsDNF)
January 14, 2020, 7:56pm
28
After dark for black magic?
They look good.
gchart
(gchart)
January 14, 2020, 8:24pm
29
Black Magic, you know it!
I recently tried the After Dark for some tailcaps and they came out great. To take full advantage of the service, you need to tailor your design for it so that the traces look good (and potentially using copper for labels instead of silkscreen):
Iām somewhat jealous of your electronics skills
gchart
(gchart)
January 21, 2020, 2:28am
32
And I of your metal work skills! Your creations are inspiring.
gchart
(gchart)
January 31, 2020, 12:31am
33
PCBs arrived today and they look great! I canāt wait to get them soldered up and tested.
MRsDNF
(MRsDNF)
January 31, 2020, 4:42am
34
Wow. Looking real good. It really is 50% black magic now.
gchart
(gchart)
January 31, 2020, 4:55am
35
Haha, I see what you did there, Moose.
Agro
(Agro)
January 31, 2020, 6:27am
36
Only 3 flashling pins? Are you going to use TinyAVR?
gchart
(gchart)
January 31, 2020, 12:36pm
37
Yup! Itāll use an attiny412 running RampingIOS (D4 V2 UI). I originally hoped for getting Anduril on it, but I donāt think Iāll have time before the end of the contest to port Anduril over to the TinyAVR 1-series. Maybe afterwardsā¦ thatās what exposed pads are for, right?
gchart:
Yup! Itāll use an attiny412 running RampingIOS (D4 V2 UI). I originally hoped for getting Anduril on it, but I donāt think Iāll have time before the end of the contest to port Anduril over to the TinyAVR 1-series. Maybe afterwardsā¦ thatās what exposed pads are for, right?
Iām sure you just cast a spell thenā¦. :laughing: Looking forward to the next update