Dammit we missed a day extra


I finally ponied up for an ev-do card to make sure that I have no excuse for missing a post short of being trapped in a hole by bizzaro superman.

Check out this short video how-to on making your own glow in the dark inkjet ink. via [boing boing]. Probably the best inkjet mod since the diy cd printer.

If you remember the diy ups, you might like the attach a giant battery to a stock ups version. I did this myself years ago. It works well, but use a maintenance free battery to minimize hydrogen off-gassing. In fact, I’d suggest some proper ventilation for the battery pack. Miata batteries have a vent tube if you want to keep the parts count to a minimum. (but they are a bit pricy)

Something a little oldschool – [Alexandre] added a serial port to his newton message pad 2000.(Not in english, but easy enough to understand.)

After seeing the superglue fingerprinting post, [Anton] sent in this fingerprint falsification how-to from the ccc.

Comments

  1. Forrest says:

    For the DIY UPS, I was thinking it would be better to skip the inverter and use a DC ATX power supply … http://cgi.ebay.com/For-Sale-Brand-New-DC-to-ATX-Power-Supply-Robotics_W0QQitemZ300119284769QQihZ020QQcategoryZ50924QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

  2. Wolf says:

    the glowing printer ink looks like a fake in my opinion, the demo at the end not only glows even in the letterings white areas (remember the glow stuff was mixed with magenta), but is rock steady, while video of the paper in the light was somewhat shakey…

    I’ll belive it when I see it in person

  3. bird603568 says:

    yes that has to be totally fake. how is it that it is absolute black except for the glow? i just dont buy it

  4. strider_mt2k says:

    I’ve had a UPS hooked to a couple of big sealed 25ah batteries in my office/workshop for years.
    It originally had little 6.5ah cells in it and as is so common, the original owners found it cheaper to replace the whole unit then just the batteries.
    advantage: me.

    I simply drilled (and grommeted!) a hole for the cables to run out of the case and the batteries sit next to it.

    More than once the power has been out and we’ve had dinner upstairs in here because it had power enough to run the PC with a TV card in it and a lamp as well.
    fun!

    Over time the capacity of the batteries will fall off, but they are so oversized that there’s a little headroom for that.

  5. Todd LaWall says:

    Ok, I just don’t buy the glowing ink. Mostly because the particulate size of the glow powder would block most inkjet nozzles today. Not a chance that it would even print much of an image let alone a glow in the dark one.

    Just my quarter-byte’s worth.

  6. carlton says:

    @1: I agree, that would be much more ideal, and you don’t need an expensive inverter. plus, able to be more efficient and have less emi, without all the switching losses/noise of the inverter.

    in fact, that’s quite a good idea!

  7. vbrtrmn says:

    The DIY battery looks kind a dangerous, especially how the 120VAC is duct-taped to the power-strip.

  8. Austringer says:

    I spy with my little eye a bottle from the microbrewery that is like two blocks from my house! Hope you had a good time.

  9. Phil Rennie says:

    Umm the serial hack can be read in engliish by following his link to where he got the info from http://delphys.net/d.holmes/hardware/newton_DIN8.html

  10. kikkoman says:

    that GITD ink is definitely fake. you CAN dissolve most glow powders (in water or acid), but well….they won’t glow anymore.

  11. Phil, sure it can be read there. As I said (unfortunately in portuguese, I had no time to translate the site to english) the original info is there. But since there is not enough detail, I took some more detailed photos, with the pin number guide for the connector. I hope this info helps someone! I’d like to invite you all to take a look at my site, there aren’t many english articles but the photos are great! Many brazilian items there. Greetings from Brazil!

  12. Myself says:

    Careful with replacing batteries: You might get the charging voltage wrong, which will reduce the cycle lifetime of the new ones.

    http://www.landiss.com/battery.htm

    And the rest of http://del.icio.us/myself248/battery

  13. beatsake says:

    I would like to know more about this hydrogen off-gassing. I have been using a 400 amp lead acid battery for 6 months or better in my ups. The circuit board of the ups and the battery are attached to the inside of an old E-Machine Computer case.

  14. andrew says:

    “400 amp lead acid battery … inside of an old e-machine computer case”

    Just curious, how did you manage to fit that? Assuming you meant 400 amp-hours, that is a HUGE battery!

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s

Follow

Get every new post delivered to your Inbox.

Join 93,810 other followers