[chbot] Chchrobotics Digest, Vol 14, Issue 10

[Stephen Irons]

My apologies, of  course it is TI who make MSP430, not Motorola. Doh.

No so much an application note, as source code with ASCII art:

At the bottom of this page
http://focus.ti.com/docs/prod/folders/print/msp430f2013.html

there is a link to MSP430 day demo code: 4 button cap scan and LED light 
sensor
http://www.ti.com/litv/zip/slac136c


Stephen Irons


chchrobotics-request at lists.linuxnut.co.nz wrote:
> Today's Topics:
>
>    1. Re: Anyone tried LEDs as light sensors (Charles Manning)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Thu, 13 Nov 2008 15:26:28 +1300
> From: Charles Manning <manningc2 at actrix.gen.nz>
> Subject: Re: [chbot] Anyone tried LEDs as light sensors
> To: Christchurch Robotics <chchrobotics at lists.linuxnut.co.nz>
> Message-ID: <200811131526.28846.manningc2 at actrix.gen.nz>
> Content-Type: text/plain;  charset="iso-8859-1"
>
> Hi Stephen
>
> Do you have a url for this? I searched the Freescale (ex. Motorola) site and 
> TI (since they make the MSP430) and did not find anything.
>
> -- Charles
>
> On Wednesday 12 November 2008 10:26:25 Stephen Irons wrote:
>   
>> Motorola has an application note for their MSP430 series
>> micro-controllers where they use PWM to control the brightness of an
>> LED, and during the off period, it sense the brightness of ambient light
>> using an A-D converter to measure the junction voltage of the LED.
>>
>> Stephen Irons
>>     


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