Ds1820 -> pid -> pwm


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  1. #14
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    malc-c Guest


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    OK, I've just confirmed that the files in the first post of my thermostat thread compile and display the output in hyperterminal as per the image shown in a post above. This version is nothing fancy, it will display the temperature of 4 x DS18B20's on a 4 line 20 chr LCD and drive 4 outputs which can be connected to SSR's to switch main voltage devices, It also allows the values of the PID to be tuned by entering values via hyperterminal on a PC connected via a serial cable.

    Ive re-attached all the files here, inc the compiled HEX - please see the hardware inc file which defines the connections to the LCD etc. You are welcome to use this as the basis for your learning....
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