Feature complete firmware! Happy holidays and happy almost 2026! It's been a while since my last update, but things are progressing. The firmware is now essentially feature complete - not complete complete, there are still bugs to be fixed and rough edges to sand down - but all of the major
Live waveform display (aka oscilloscope) One of the nice things about building a digital synthesizer is that everything is just code. My code is responsible for generating a series of integers that my DAC turns into audio, but I can do a lot of other things along the way as long as I can deliver
SSD1306 display drivers and font rendering When I first started implementing the SSD1306 OLED on my prototype, I grabbed the quickest and easiest to implement driver I could find - a driver Espressif shipped as part of ESP-BSP that has since been removed. It worked great, updated the screen at about 40 hz, and was very
What am I making? For a little over a year now, I've been building a digital synthesizer. I'm a musician & artist so I've spent a lot of time with synthesizers but never tried building one of my own. I find the history of synthesis fascinating and spent
dev Switching USB controller at boot on ESP32-S3 I'm building a digital synthesizer based on the ESP32-S3 MCU (using the ESP-IDF framework) and have been meaning to start a dev blog for a while. I couldn't figure out a good first post so I figured why not just start somewhere - let's
