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ELECTRIC TOOTHBRUSH
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2016 年 11 月 29 日 下午 1:19
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pv2b
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ELECTRIC TOOTHBRUSH

描述
Dental hygiene is very important all over the world, not only in Shenzhen. Therefore, design an electric toothbrush controller with timer for the international market.
11 条留言
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Cocoa 2022 年 12 月 22 日 下午 8:26 
A little bit difficult puzzle. I've done within 3/384/9
s7eph4n 2022 年 4 月 20 日 上午 6:34 
Better late than never, right?
Just discovered this rather old puzzle and thought, that shouldn't be that hard with only this little space. Turned out, it was pretty tricky. I was able to get a 3/456/9
lavalamp 2019 年 9 月 15 日 下午 7:28 
Not kidding Boo. :)

3/525/9 with the MC4000, but 6/373/13 with the MC6000+DX300. I'm sure power can be reduced more, but not sure how with the limited board space.
grembo 2019 年 7 月 22 日 上午 4:37 
6/421/14. Liked this one, Thanks! You're kidding about the MC4000 right? I used an MC6000.
Telemak 2019 年 5 月 29 日 下午 5:12 
I think sometimes the user of the toothbrush is the problem. Users are asynchronous ! :steammocking:
pv2b  [作者] 2019 年 2 月 9 日 上午 11:17 
@lavalamp Oh! I didn't realise there was a solution with a single MC4000! But knowing there was one, I was able to find it too. :-) Nice work. (Strange that it doesn't show up on the histograms though...)

Anyway. We can use extra space for more battery capacity...
lavalamp 2019 年 1 月 25 日 上午 9:55 
You were too generous with the board space. Just managed it with a single MC4000. :)
pv2b  [作者] 2016 年 11 月 30 日 上午 11:35 
csaboka, honestly, when I made the puzzle, I did intend it as a gimmick, but I was very pleased and surprised that it actually made the puzzle more difficult. :-)
csaboka 2016 年 11 月 30 日 上午 8:52 
Nice! I first thought the board shape is just a gimmick, but the added difficulty is actually part of the puzzle.
pv2b  [作者] 2016 年 11 月 29 日 下午 3:49 
Unfortunately space in the toothbrush is limited. If it's too big people won't use it. I'm confident you'll manage in the space allotted.