![]() The Python script allows the user to set the sample rate and the Following this Scilab was used to read in the Input Devices board and to plot theĪn Arduino sketch reads in a potentiometer voltage on pin A0 and sends this over RS232 to a PC running a Python script. Hardware and to modify the firmware so that the thermistor ADC measurement was sent over RS232 to a PC where the ADC counts could be converted into temperature values and plotted.įirst up, I decided to experiment with the serial interface using an Arduino and the Python scripting language. I decided to base this assignment on the Input Devices This difference was converted into digital values and sent over an RS232 serial link to a computer where it could be monitored. The hardware and firmware developed for my Input Devices assignment used a bridge connected NTC thermistor to feed a temperature dependent voltage difference to two ADC pins of anĪTtiny44. ![]() ![]() Interface and Application Programming Table of contents
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