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adamlhumphreys's avatar

Protean8x2 Remote Controlled Incandescent Clock

Published:
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Description

Going left to right from top: Fabrication (including my nephew's clock completed much earlier), programming/testing, and completed clock with all it's component parts after the last bit of fabrication (except I totally didn't think to include the IR remote).

The bottom simply shows it in action. Now the bulbs on the right are actually my "day" and "night" indicator bulbs using silicone boots. From 6pm to 5:59am, it'll use the night bulb on the bottom, and from 6am to 5:59pm, it'll use the day bulb on the top.

The colon blinks on for 3 seconds, off for 3 seconds, and off-on-off over 3 seconds right before it increments to the next minute.
Additionally, when the clock starts for the first time, it's 6:30pm, not 12:00am.

Power: 12V + 20V switching supplies. Little over 30W at full brightness and has a super dim night-mode as well! :D (Which I haven't used. ^^;)
Wood: Pine (Because I like soft wood, and I had it laying around. :XD:)
Board: Protean 8x2 V1.2 with 11 IRF9540 P-Ch and 5 IRF540 N-Ch FETs
Bulbs: Miniature Wedge #193 T3.25 (14 V @ 0.33 A) www.1000bulbs.com/product/1136…


See the first clock: www.deviantart.com/adamlhumphr…
See the first clock's predecessor: www.deviantart.com/art/World-s…

Hope you enjoy it :iconalbinofluttershy:! I know it's not full 5x7 digits, but it gets the job done. :)
Image details
Image size
3080x1000px 1.01 MB
Make
NIKON CORPORATION
Model
NIKON D5000
Shutter Speed
1/320 second
Aperture
F/8.0
Focal Length
26 mm
ISO Speed
1600
Date Taken
Nov 12, 2019, 10:38:12 PM
© 2020 - 2022 adamlhumphreys
Comments12
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punpcklbw's avatar

At first I thought of a clock made of small candles that automatically light up with an electric discharge...