[time-nuts] ko4bb monitor

[Didier Juges]

Bob Mokia of fluke.l told me he used my code, which was pretty obvious from
the messages and the alternate display sequence that you mention. He wants
me to customize it for him. I told him I was open to it.

The existing code is released under the GPL, so I was not expecting to be
paid for it. However, a custom version would not be free.

Didier KO4BB

> -----Original Message-----
> From: time-nuts-bounces at febo.com 
> [mailto:time-nuts-bounces at febo.com] On Behalf Of Arthur Dent
> Sent: Friday, January 22, 2010 6:20 PM
> To: time-nuts at febo.com
> Subject: [time-nuts] ko4bb monitor
> 
> 
> 
> 
> 
> The Thunderbolt display unit fluke.l is selling is a Icruze 
> display module by Monster 
> 
> that he apparently just reprogrammed. When it is powered up 
> there is a message that 
> 
> says No1Electric.com (one of his businesses) then it starts 
> displaying messages from 
> 
> the Thunderbolt.
> It works quite well displaying the time on the top line every second 
> 
> and T-bolt status messages on the bottom line changing every 
> 2 seconds. There is a 
> 
> blue backlight that give good readability. The connections 
> are +5, GND, and RS-232 
> 
> data in. 
> 
>  
> 
>  Amazon has these
> displays available for $2.50 or less, apparently they weren't a big 
> 
> seller and they are dumping them. You can check them out at:
> 
> (http://www.amazon.com/Monster-Display-MPC-FX-LCD-UM/dp/B0007LZGHO).
> 
> 
>  I bought one through
> Amazon to check it out and the one I got uses a different chip 
> 
> than the one I bought from fluke.l. There is an Atmel 
> ATtiny26L 8-bit AVR 
> 
> microcontroller with 2K bytes flash memory on the one I just 
> bought and there is a 
> 
> 185 page PDF application manual for that chip available at: 
> 
> http://www.atmel.com/dyn/resources/prod_documents/doc1477.pdf
> , 
> 
> if you want to check it out. Fluke’l’s unit runs off +5V but 
> the unit I just got has a micro  
> 
> SMT +5V 3-terminal regulator and was designed to run off +12 
> (probably 7-20 range).
> 
>  
> 
> I would expect that someone with programming experience could 
> also make this unit 
> 
> into an inexpensive display to mount on the front panel of 
> the Z3801.  
> 
>                                                           
> -RJB
> 
> 
> 
> 
>       
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