This week, the main progress I made was to finalise the design of the saxophone attachments, as well as ordering parts. I also secured a saxophone for use during the projects from Kiltie Bands.
I based my design off this project: Jazz Hands: Hybrid Saxophone : 28 Steps (with Pictures) – Instructables.
I chose to use this design, because it is already a functional system for detecting fingerings, given that it is originally designed as a MIDI controller add-on. This seems to be a better system that using pressure sensors, as I will use his hardware design for fingering collection, but use software written by me to analyse the data collected from the sensors.
I am currently slightly behind schedule, as PCB orders did not go in last week. I will order the PCB in time for next Tuesday’s order batch, but other than that, I am on time.
I hope to finish the software component of the saxophone transcriber by next week, or at least have a buggy implementation. I am currently debating between two paths: one is to use MIDI controls, which uses the Sparkfun ESP32 to process the sensor data into MIDI data to feed to computer, or to just upload raw fingering data to the computer.