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To charge or not to charge --- CR2032
Hi folks, While researching for my current project that involves the DS1307 RTC chip I came across the circuit below. It runs off a 5 volt rail with a "3.0V lithium battery"...
Tuesday, 8 September 2009 - 04:41
What is rarer? 6 pin IDC header or hen's teeth
I have searched and re-searched my workshop for hours and cannot find my 6 pin IDC header (at both ends) cable from my STK500. Yes I know it should be in the same box ... but it...
Friday, 28 August 2009 - 03:10
Approaches to input protection
Hi folks, My daughter-in-law complained of "pregnancy brain" up until recently and I poo-hooed it. But now I am starting to believe in "Grandpa's brain". If I have to detect an...
Saturday, 20 June 2009 - 15:36
Name that connector!
Hi folks, In my current project I need to "steal" some power from a thermal printer (TM-T88MkIV by Epson). In order to not void warranties, I want to do it by inserting a male/...
Friday, 5 June 2009 - 03:17
Touch switch
Hi folks. I have a commercial project at the moment that requires a customer to press a button. Initially I thought of using one of the large "arcade" type switches mentioned in...
Tuesday, 2 June 2009 - 06:45
Large pushbutton
Memory escapes me. During the last 6 months, or so ... someone was looking for a large robust push-button for their project. Someone recommended a source that met the bill. I am...
Monday, 1 June 2009 - 11:30
To socket or not ....
Hi folks, It looks like I may be in the running for a new design project to add a capability to an existing facility at a major semiconductor fab house in Asia. An existing...
Wednesday, 22 April 2009 - 12:30
LCD in HP Photosmart 2610 "all-in-one"
Hi, Long shot ... anyone know the maker/model/datasheet of the colour LCD screen used in the HP Photosmart 2610? Thanks. Ross
Monday, 23 February 2009 - 11:08
Downloadable master list of Atmel Application notes?
Hi folks, In a similar way to the parametric spreadsheet, is there a downloadable master list of Atmel AVR application notes with a brief description of content? Cheers,
Saturday, 22 March 2008 - 05:48
What is this Atmel product?
Hi folks. Does anyone recognise this item? http://cgi.ebay.com/LOT-3-ATMEL-... Cheers,
Thursday, 6 December 2007 - 01:41
RS485 system design approach
Hi all. Apologies for the length of this posting. I am at the thinking stages for a small project that will involve about 8 remotely located devices and a single PC that all need...
Friday, 25 May 2007 - 23:05
OT...a little: LCD 4 line by 40 character...one enable line
Hi all. I have a 4 x 40 character mode LCD that I am trying to drive. It has two HD44780 chips but only one Enable line....so obviously there is a trick there. The signal driving...
Saturday, 3 June 2006 - 06:48