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Multi Channel Speech Dialler


esp-protocol

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Just had a look in the Gardiner Catalogue....

SD2- 8 inputs, 4 outputs, and a funky blue backlight.

SD3- Same as the above, but with the addition of the GSM module.

Hope that helps you.

Oh, anyone tell me why you would want an ambient temperature sensor in a speech dialer?

SD2_Data_Sheet.pdf

Are we looking at the same thing.... this says 4 trigger ins and 4 outs.....???

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