derivation of the original Mechaduino code from jcchurch13.

orginal code can be found under: https://github.com/jcchurch13/Mechaduino-Firmware/tree/multi-file/Mechaduino_01/Mechaduino_01

• added an enable pin (pin 2, only 3.3 V compatible)
• some other changes
• menu entry for generating an step response
• deleted all modes other then position
• changed all float to integer operations
• added some filtering to the coil current setting
• changed the frequency of the PID loop to 15-20 kHz
• changed the PWM resolution from 8 bit to 10 bit
• Processing script to display the step resonse
• PID autotuning

License

All Mechaduino related materials are released under the Creative Commons Attribution Share-Alike 4.0 License Much of the work is based on Mechaduino project: https://github.com/jcchurch13/Mechaduino-Firmware

If you want to support me for further improvments and things like that you can send me a small kickback with paypal