Slashdot Mirror


USB Menorah

Fiver-rah writes "There's USB Christmas trees; lame acrylic things with LED lights that are powered by your computer. It's an amusing idea, but it doesn't really take advantage of being attached to a computer. Enter the USB Menorah. It can correctly calculate the dates of Hannukah for at least the next few thousand years (or any historical date back to 2 B.C.E.). As well as 'lighting' the candles based on when the sunsets (I set the default geography for San Francisco/Berkeley, but you can enter any latitude/longitude and (assuming you don't live too close to the arctic circle) it will be correct to within a few minutes. Furthermore, the shamas (candle you use to light the other candles) can blink out any morse-code message you want--it'll convert the words to morse code for you! And you can even put it into Kwanzaa mode! Each candle can take three different colors (Red, Green & Yellow), allowing you to do some animation. Software is a GPL command line program for Mac OS X. Basically only the USB communication stuff needs to be ported for other OS's. Delcom (the manufacturer of the USB interface chip) supplies drivers for Windows, and a few people have written Linux drivers, so it wouldn't be too hard for a motivated individual."

57 of 254 comments (clear)

  1. Saddam would love one of these by Anonymous Coward · · Score: 5, Funny

    +5 Confusing

  2. USB toothbrush by fabio · · Score: 5, Funny

    i saw a usb powered toothbrush at some obscure japanes page, are there anything YOU cant power with usb?

    --
    *resistance is futile, or fuzzy, i dunno*
    1. Re:USB toothbrush by Savatte · · Score: 3, Funny

      how about a USB-powered UPS battery

    2. Re:USB toothbrush by alangmead · · Score: 2, Informative

      anything YOU cant power with usb

      Yes, anything needing more than 500mA of power.
    3. Re:USB toothbrush by broken · · Score: 3, Funny

      You mean like this one? (link NSFW)

    4. Re:USB toothbrush by Anonymous Coward · · Score: 2, Informative

      Or 100mA for non-powered hubs.

    5. Re:USB toothbrush by Captain+Nitpick · · Score: 3, Informative
      Yes, anything needing more than 500mA of power.

      Amps are for measuring current. You want watts.

      Given that USB's power is at 5V DC, that comes out to 2.5W of power.

      --
      But then again, I could be wrong.
    6. Re:USB toothbrush by SEE · · Score: 2, Funny

      Hello Kitty? No. But the Matrix Vibe is available . . .

  3. Judging from the pictures.... by trotski · · Score: 5, Insightful

    ... they need an industrial designer to make a candle stick shaped body for these suckers. A bunch of LED lights on a bread board a minorah do not make.

    Couse what do I know, I'm not Jewish.

    --

    "Entropy is the bad-guy, and he is everywhere"
    1. Re:Judging from the pictures.... by Savatte · · Score: 3, Informative

      as long as all 8 candles are at the same elevation, and the Shamash (the candle you use to light the others is higher), it's all kosher.

    2. Re:Judging from the pictures.... by cliffy2000 · · Score: 5, Funny

      Well, LEDs on a menorah could very well suffice, depending on the circumstances.
      I mean, the lighting of the candles might be awkward, but it certainly can be done. Judaism is not really so much of a methodical religion as much as it is a spiritual one.
      Of course, what do I know? I'm a very bad Jew.

    3. Re:Judging from the pictures.... by Otter · · Score: 3, Informative
      I think it's that the candles need to be in a straight line at the same elevation with the shamash out of line in any axis. But, yes, you're essentially right.

      The key word is candles, though, or preferably olive oil. LED's don't count as fire even for prohibitions against lighting fires on the sabbath or similar things and are certainly subotimal for candles.

    4. Re:Judging from the pictures.... by Chacham · · Score: 2, Insightful

      The obvious answer to "why wouldn't LEDs count" is "because light bulbs don't really count either".

      According to many, it would count. However, not everyone holds of it, and traditionalists would go for oil, to match the original.

    5. Re:Judging from the pictures.... by Chacham · · Score: 2, Informative

      Orthodox jews will not turn on electric lights on the sabbath,

      Not really because of the "fire" aspect. It's actually because it completes a circuit. And such completion would constitue "Binyan", or building, of of the 39 forbidden activities.

  4. Same kind of thing by Kethinov · · Score: 3, Interesting

    This story goes well with this story.

    --
    You're right, I wouldn't steal a car. But if it were possible, I sure as hell would download one!
  5. Next Poll ... by lemonjus · · Score: 4, Funny

    The lamest USB gadget you can think of :

    1) USB machine gun
    2) USB umbrella
    3) USB Inflatable doll
    4) USB stapler ...
    help me out here...

  6. Yeah, well... by Faust7 · · Score: 5, Funny

    My FireWire Christmas tree beats the crap out of that!

    Though perhaps "FireWire" isn't such a good word to use in the context of combustible wood...

    1. Re:Yeah, well... by Spazholio · · Score: 3, Funny

      As opposed to the non-combustible variety? =)

  7. Why 2BCE? by panurge · · Score: 4, Insightful
    Why does thing go back to only 2BCE? The origins of Chanukah go back further than that, to about 2300 years ago if I remember correctly.

    I'm just curious. It's like a program to work out the day of the week on which Christmas Day fell that only went back to the time of Constantine.

    --
    Panurge has posted for the last time. Thanks for the positive moderations.
    1. Re:Why 2BCE? by sigxcpu · · Score: 4, Interesting

      The current Jewish calander is only about that old. (give or take a century).
      Before that the dates were decided apon witnesses of the new moon coming before the Sanhedrin. (the high court)
      So any exact date before that is meaningless, as there are no records for the length fo each historical month. (29 or 30 dayes - this is a moon month)

      --
      As of Postgres v6.2, time travel is no longer supported.
    2. Re:Why 2BCE? by Stigmata669 · · Score: 4, Interesting
      No clue about the software limitation, but I learned a little about Chanukah from a Rabbi who visited my highschool Western Religious Cultures class.

      Apparently, there is strong evidence that the myth of the eight days was actually developed some 500-800 years after the events of Syrian oppression that began the Chanukah celebration. The Rabbi explained that the current theory (he is a Reform Jew if that makes a difference?) is that some religious celebration was not observed because the group of Jews were in hiding and that after they felt safe to come back into the open, that they celebrated over the course of 8 days rather than just one, and the tradition stuck. The Menorah was adopted as a Rabbinic invention several hundred years later, so perhaps it is intentional (or appropriately coincidental) that it only goes back to 2BCE.

      --
      Yawn.
    3. Re:Why 2BCE? by Anonymous Coward · · Score: 5, Funny

      about 2300 years ago if I remember correctly.

      Jeez, how old are you?

    4. Re:Why 2BCE? by sigxcpu · · Score: 3, Interesting

      We are not talking about a prehistorical time.
      There are outside confirmations that the battles against the Greek (Greek not Syrians) did in fact happen.
      About The candle lasting eight days, this is another matter.
      There is strong evidance that the religious leaders of later years moved the center of the story from the war victory to the re-opening of the Temple.
      This was done because they did not like the royal family, who were decendants of those who had led the revolt.

      --
      As of Postgres v6.2, time travel is no longer supported.
    5. Re:Why 2BCE? by MobyTurbo · · Score: 2, Informative
      The current Jewish calander is only about that old. (give or take a century).
      Rabban Hillel II, if I recall correctly; but that wouldn't explain 2BCE, Rabbi Hillel II (not to be confused with his more famous namesake and ancestor, Rabbi Hillel the Elder) was at least early in the second century CE, IIRC, after Sadducees and other sectarians interfered so much with the Sanhedrin's ability to get truthful witnesses that the calendar had to be judged automatically.
    6. Re:Why 2BCE? by MobyTurbo · · Score: 2, Interesting

      Reform Judaism rejects the accuracy of Oral Torah, which is where we get (in mesechta Shabbos and Megilla Taanis) the information of the holiday, so yes it's likely that claiming that Rabbis a few hundred years later pulled Channukah out of a hat, in spite of there being a lot of *real* and credible historical evidence for the Maccabees and earlier Channukah celebrations, would be something that is part of his bias. After all, one of the cornerstones of Reform Judaism is that the Oral Torah is inaccurate, so there's a theological reason for him to discredit Channukah, the only holiday legislated solely by Rabbinic law. Just because he's a liberal theologian doesn't mean that he doesn't have any biases.

    7. Re:Why 2BCE? by MobyTurbo · · Score: 2, Insightful
      you find all kinds on /. Any other Judaica geeks out there?

      To be a good Jew you have to be a Judaica geek, there's no other way to understand the 613 commandments, their derivations, and millenia of folklore and halachos (laws) other than through intense study. Now you know why there are so many Jewish scientists.

    8. Re:Why 2BCE? by MobyTurbo · · Score: 2, Informative
      There is strong evidance that the religious leaders of later years moved the center of the story from the war victory to the re-opening of the Temple.

      The war victory is celebrated with Al HaNissim added to the Shemoneh Esrai (daily prayers), and Birkas Hamazon (the blessing after a meal); you must be refering to the answer to "Mai Channukah" in Talmud Bavli, Mesechta Shabbos 21b. That does make the reason for the holiday occuring when it does and how many days it does because of the miracle - but our sages found ways to celebrate both aspects of the holiday. Even this often-quoted-as-support by some scholars passage mentions the millitary victory somewhat parenthetically "when the kingdom of the Hasmoneans became strong and overcame them."

      Of course, our Rabbis did oppose the Hasmoneans in retrospect - one answer given as to why their reign gave way to Roman domination was that the Hasmoneans when victorious gave the kingship to the hereditary priesthood (kohanim) rather than to the Davidic line.

  8. Re:Hmmm... by Some+Clown · · Score: 3, Funny

    Now I just feel silly... and slow. I must need more coffee. Or maybe a USB Menorah.

    --
    "...The mice will see you now..."
  9. Pervasive computing by DuSTman31 · · Score: 3, Funny

    While basically gimmics, stuff like this USB powered menorah and the USB toothbrush may be looked back on historically as the dawning of the pervasive computing age..

    Next thing will be to make them interface via wireless ethernet.

  10. As my mother would say... by Anonymous Coward · · Score: 5, Funny

    Oy...and for this I sent you to MIT?

  11. Planning by fiskbil · · Score: 5, Funny

    I hope the people buying this tree realize that they have to keep an old computer working for a few thousand years and pass that computer to their children and so on and so forth. It would be a shame to not take advantage of its ability to calculate a thousands years into the future.

    It would be really cool though if it could masquerade as something else when it's not christmas (holidays whatever). Both me and some of my friends are usually too lazy to take away decorations after christmas and you usually end with some smartass comments during summer.

  12. lame acrylic things? by Scrameustache · · Score: 4, Interesting

    How about lame LEDs on a circuitboard?

    Jeez, if you're gonna be making fun religious hacks, don't knock the other stuff for being lame until your stuff doesn't look like it was ripped out of something else.

    Here I was expecting some fun candle-shaped thingy...

    --

    You can't take the sky from me...

  13. Re:All I want by Midnight+Thunder · · Score: 2, Informative

    I woud love one too. Maybe there is some electronics magazine with the schematics for one? If you don't mind going over the top, then there is WiNRADIO and for Linux LiNRADIO which makes use of it.

    --
    Jumpstart the tartan drive.
  14. Re:Don't forget... by Anonymous Coward · · Score: 3, Funny

    why pay? USB devices rarely work under Linux.

  15. Re:Morse code, eh? by Odin's+Raven · · Score: 4, Funny
    Anyone got a translation of the video he's got linked?

    Let's see, I believe it says:

    Help...me...

    Obi...Wan...Kenobi...

    You're...my....

    only...hope...

    ;-)

    --
    A marriage is always made up of two people who are prepared to swear that only the other one snores.
  16. Up next by Anonymous Coward · · Score: 4, Funny

    A dreidel with Bluetooth?

    1. Re:Up next by Ilan+Volow · · Score: 3, Funny


      I had wondered why the guy who won all my chocolate coins kept fiddling with his sony-ericsson phone.

      --
      Ergonomica Auctorita Illico!
  17. Re:All I want by madhippy · · Score: 2, Informative

    http://www.usbgadget.com/usb-misc.htm

    I got mine for 10 from www.maplin.co.uk - they don't seem to carry them anymore tho ...

  18. Menorah by mabu · · Score: 4, Funny

    Think anyone's going to pay retail for that?

  19. And the Hebrews celebrated... by CptChipJew · · Score: 4, Funny

    for their UPS kept their menorah lit for 8 full nights after the Syrian army cut the power!

    Thus thou shalt celebrate for 8 days, lighting one LED each night.

    --
    Vonal Declosion
  20. Re:Morse code, eh? by atrader42 · · Score: 2, Insightful

    It says "Morse-Code-Message". (Yes, I can do morse code, but I prefer to just read the page that links to that and says what the message is.)

  21. Unfortunately it does not fulfill the requirement by DJStealth · · Score: 3, Informative

    (For those who are interested)

    Although, most people who use this would probably know that this should not be intended to replace the actual lighting of a menorah.

    In order to fulfill the religious requirement of lighting the menorah for the 8 nights of Chanukah, you need to use either candles or olive oil (to burn). (the other requirement is that all the candles except for the one used to light the others, must be at the same height)

  22. Re:Put the Mudslums in camps - nat'l alert is rais by Stigmata669 · · Score: 4, Interesting
    Well, here's my 2c on the topic. Zionism refers simply to returning to The Holy Land (tm), and has been branded as distinctly Jewish the same way anti-semitism refers to being anti-Jewish rather than against the semite race. The current government in Israel is a secular Zionist movement, and some of the first settlements in Palistine were actually Christian Zionists. In 1866 43 families American Mormons (The Church of the Messiah) moved to Palestine to make ready for the "Second Coming of Christ". There were several other Christian Zionist movements, but all of them failed in short order. Many orthadox Jews in the 20s were strongly against Zionism.

    I'm not Jewish and I don't pretend to be an expert on the subject. All of the specifics in this post come from a book i've been reading, "War Without End" by Anton La Guardia, a reporter for The Daily Telegraph in the 90s.

    --
    Yawn.
  23. Re:Morse code, eh? by orthogonal · · Score: 2, Funny
    Let's see, I believe it says:
    Help...me...
    Obi...Wan...Kenobi...
    Actually, I believe that's:
    Help... me...
    Eleazar... ben... Yair...
  24. "Menorah..." by BTWR · · Score: 5, Interesting

    Just to be precise, the device that is used during Hannukah is not a "Menorah," but rather a "Chanukiah" [Chah-noo-kee-yah, with "Ch" pronounced gutterally]. A "menorah" is the seven-branched candelabra that was around in the ancient temple (and often used today in synagogues as decorations). A "Chanukiah" is a nine-branched candelabra that is used on Hannukah to celebrate the 8-day "hannukah miracle," where legend had it the temple candles burned for 8 days and nights with oil that should have only lasted one night (so therefore a chanukiah has 8 candles plus one candle to hold the shamash, the candle that lights the other 8). Sometimes the nine-candled version is called a "Hannukah Menorah," but just "Menorah" is technically the seven-branched one, not the one used druing the holiday.

    No, I'm not someone who goes around correcting people about this. I really don't care either way, but rather just in case anyone was interested...

  25. Re:Put the Mudslums in camps - nat'l alert is rais by DJStealth · · Score: 2, Informative

    (to start, this may be offtopic, but I am merely responding to the above question to settle this issue which seems to come up every time something Jewish or Israeli appears on Slashdot)

    There are many kinds of zionism.

    Zionism is a political point of view; Judaism is a religion which may incorporate some kinds of Zionism.

    The term Zionism comes from biblical verses referring to Jerusalem as Zion (or Tsion in Hebrew). At its core, Zionism is the belief and aspirations that the Jews should have a homeland in Israel.

    As I stated at the beginning, there are many kinds of Zionists..

    - Political Zionism - there should be state that can be used to protect Jews from violence (i.e. holocaust, etc.) and will give them a sence of normalicy

    - Cultural Zionism - Israel should be the cultural centre of the Jewish people.

    - Labour Zionism - To express the love for the land through working it (i.e. agriculture)

    - Religious Zionism - Certain Jewish laws can only be kept in Israel, as a result, in order to fulfill these laws, one must be in Israel

    - Socialist Zionism - To build Israel as a socialist state where all classes can unite and overcome anti-Semitism.

    It should be noted there are other Zionists that are not Jewish that believe that all the Jews need to return to the Holy Land in order to fulfill the messianic prophecies

    I hope this helps.

  26. Where's the USB Santa? by tjstork · · Score: 3, Funny


    All this religious stuff, and here Chris Kringle is getting oppressed! I want my USB RUDOLPH

    --
    This is my sig.
  27. make menuconfig by EdMcMan · · Score: 2, Funny
    Holiday Fesitivities
    ---
    USB Menorah (Y/M/N) Y

    Why not?

    1. Re:make menuconfig by Dachannien · · Score: 2, Funny

      You should probably build that one as a module. I mean, you never know when you might want to convert.

  28. Yes. by Faust7 · · Score: 4, Funny

    As opposed to the non-combustible variety?

    Ever tried to burn wet wood?

  29. Wow by Laconian · · Score: 4, Funny

    That's the nerdiest thing I've ever heard about. Seriously. And I've used /. for almost six years.

  30. Re:Why complicate? by aap · · Score: 2, Informative

    He is using the computer's clock. But that's not quite enough. This year Chanuka began on the evening of December 19. Next year it will begin on the night of December 7. Computing the phases of the moon doesn't seem to be built into my BIOS, is it in yours?

  31. Splitting hairs by fleener · · Score: 2, Interesting

    Not to split hairs or anything, but plenty of Jewish people wouldn't touch a USB menorah because they forego use of electronics on holy days. Also, no one lights menorahs during Hanukkah. They're called hannukiahs. A menorah has a completely different spiritual meaning and was kept lit in the Jerusalem temple. People like hannukiahs at home.

    1. Re:Splitting hairs by MobyTurbo · · Score: 2, Informative
      Not to split hairs or anything, but plenty of Jewish people wouldn't touch a USB menorah because they forego use of electronics on holy days.

      On Channukah, except on those days that fall on Shabbos, handling electricity, going to work, driving a car, etc, are all allowed. Although important, important enough to warrent the majority of the seven non-biblical commandments, Channukah does not have the status of a "chag" or festival, such as Pesach or Rosh Hashanna, so most activities are permitted - though many poskim forbid work by women while the menorah is lit because of Judith's key role in the victory of the Maccabees.

  32. Re:All I want by EverStoned · · Score: 2, Funny

    I actually have one, made by D-Link. The hardware works fine, but the accompanying software is crap.

  33. Re:No, it does not by Hrothgar+The+Great · · Score: 2, Insightful

    No, actually sometimes phrases adopt a meaning which is not implied in the basic definition of the words involved due to colloquial use. Fox holes in the Vietnam War come to mind as they for instance did not ACTUALLY contain foxes.

    AD and BC are generally inoffensive to anyone unless they have a specific problem with Christians. Many of those people may not admit, even to themselves, that they hate Christians because they don't have a problem with individuals of that faith but instead associate the group as a whole with other things they dislike.

    Disclaimer before you jump on me about this: I am an atheist. I just also happen to be an individual who doesn't like to see stupid, unnecessary language changes because of extremely whiny people who like to stereotype others of particular groups.

  34. Kosher elevators by Animats · · Score: 3, Interesting
    There are Kosher elevators. Really. Two features are required, and both operate only on the Shabbat. The elevator runs endlessly, stopping on every floor. No user interaction is allowed.

    The other required feature is that regenerative braking isn't allowed to dump power back into the power line. It has to dump it into a resistor bank, so as not to do "work" with the energy of descending riders. This is normally enabled only on the Sabbath.

    Of course, these features combine to use far more energy than normal mode, so they don't comply with the spirit of the Shabbat, not to do work. Just the letter.