Answers
1. Hysteresis means that the switching level of the input depends on the polarity of the input change. This helps overcome noise on the input, which would cause unreliable switching, by implementing an upper and lower switching levels.
2. set_adc_channel(0);
numin=read_adc();
In the read statement, the input value returned by the function has to be assigned to another variable for processing. In the channel select statement, the channel number is passed to the function as the function argument.
3. See the figure. (10 points)
4. TEMPCON
Initialize
MCU, ADC, Functions
Wait for ‘Start‘
Switch on ‘Running’
Loop
Read temperature
If too low
Switch on Heater ...
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