[sdiy] My new dotcom module.. M114 Dual CV-GATE delay

[Michael E Caloroso]

Now there's an innovative module.

MC

On 5/20/21, Jean-Pierre Desrochers <jpdesroc at oricom.ca> wrote:
> Hi all,
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> After some 6 months of hard work and with the precious help
> of Roman Sowa (member of this DIY forum) I finally went through
> the final tests and am very happy to introduce my new born M114
> which is a Dual 2msec to 10sec CV-GATE delay.
> Whatever CV/GATE comes in will be stored and sent back
> with a specific dialled delay.
> All this design’s traffic is made around talking SPI devices which are:
>
> - 1 x 64k x 8 SPI SRAM
> - 2 x 16 bits SPI ADC
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> - 2 x 16 bits SPI DAC
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> Storing the incoming GATE pulses and restoring them delayed was easy task,
> but the most tedious part was to actually store the 2 incoming
> CV voltages in 16bits chunks without losing any precision.
>
> Well Roman Sowa came with a nice design of 2 SIP modules
> that did the ADC and DAC conversion within +/1 LSB precision.
> You can see some pictures below..
> And.. as usual this is an open source project so all the needed files are
> available HERE
> <http://www.arcenson.com/projects/Modular/M114_CV-GATE_DELAY/> .
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> Enjoy !
>
> Jean-Pierre
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