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Messages - eecho789

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TinyLily / Jumper.
« on: September 12, 2013, 04:20:26 PM »
A couple quick questions.  1.  What size resistor is needed to switch the tinylily mini usb adapter from 3.3v to 5v?  And does the little resistor next to it need to be de-soldered?  I need 5v TTL for a surface mount uln2803 and 74hc595 combo i'm using.  2.  I don't have my micrometer handy at the moment..  Is the hole pattern like 12-13mm center to center?  I haven't had a chance to look at the eagle files for the unit yet. 

TinyLily / Re: Power regulated at all?
« on: September 04, 2013, 08:33:10 PM »  Check out the pink section near the bottom of the page.  Unfortunatly, this board does not include a voltage regulator.  There are many inexpensive voltage regulator IC's available though for your project.  You may want to look at the LM317.  If size is a concern look at it in SMD format.  They're like 50 cents.

Ive been using a custom etched proto board with soldered pins so I can plug my Tiny Lilly in and have easier access to everything.  I currently have a 74xx595 and uln2803 smd added to the board so I can expand the outputs and capability of the board.  It'd be nice to have a little board with these built in to add to my tiny lilly projects...  Oh and maybe offer a few blank cut round pre drilled PCB's!  Etching them is no problem, but cutting a round blank is tedious! I could make my own custom boards if those were available!

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