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Tech Head - The Technology Section
The Work Bench and Soldering Station
V-Box blew up :(
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<blockquote data-quote="Vipersan" data-source="post: 915450" data-attributes="member: 325666"><p>I rather suspect the dedicated micro for which I cannot find any info is running an internal clock which counts a fixed number of cycles approximating 60 seconds duration...</p><p>If parity of referenced command to stored command isn't achieved within this time frame the command is discarded ..</p><p>This being the case I see no fix ...other than to run at a higher motor voltage.</p><p>I am considering a rather odd and drastic bodge ...but no idea if it is even viable..</p><p>That is to run the micro at a lower clock speed..</p><p>Currently it uses a 3.58mhz ceramic 3 pin oscillator....presumably internally frequency divided by the software ..</p><p>I'm wondering if changing the osc to a lower frequency will allow the micro to still run ...but the clock cycles to reduce..</p><p>???</p><p></p><p>There are some receivers ...for example the AZ box I think ..which can be set to 'repeat' the command several times ...</p><p>I often wondered why this was needed ...</p><p>but it would make sense insofaras ..this action would refresh the command during the dish movement ...</p><p>,,and possibly re-set the vbox command countdown,,</p><p>rgds</p><p>VS</p></blockquote><p></p>
[QUOTE="Vipersan, post: 915450, member: 325666"] I rather suspect the dedicated micro for which I cannot find any info is running an internal clock which counts a fixed number of cycles approximating 60 seconds duration... If parity of referenced command to stored command isn't achieved within this time frame the command is discarded .. This being the case I see no fix ...other than to run at a higher motor voltage. I am considering a rather odd and drastic bodge ...but no idea if it is even viable.. That is to run the micro at a lower clock speed.. Currently it uses a 3.58mhz ceramic 3 pin oscillator....presumably internally frequency divided by the software .. I'm wondering if changing the osc to a lower frequency will allow the micro to still run ...but the clock cycles to reduce.. ??? There are some receivers ...for example the AZ box I think ..which can be set to 'repeat' the command several times ... I often wondered why this was needed ... but it would make sense insofaras ..this action would refresh the command during the dish movement ... ,,and possibly re-set the vbox command countdown,, rgds VS [/QUOTE]
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Tech Head - The Technology Section
The Work Bench and Soldering Station
V-Box blew up :(
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