STM32F4-Discovery MIDI input and basic synthesis

After the flurry of activities  in recent weeks on a previous post (thanks guys!) I finally went back and worked on the synth project some more. Some time ago I had already created a simple MIDI input and output circuit on a stripboard that the Discovery board could sit on. This would allow me to play notes orContinue reading “STM32F4-Discovery MIDI input and basic synthesis”

Configuring the STM32F4-Discovery for audio

What made the STM32F4-Discovery board so attractive for me was the fact that it comes with a nice on-board Audio-DAC with integrated amplifier, the Cirrus Logic CS43L22. However, getting the combination of STM32F4 and CS43L22 to produce any sound is anything but trivial for someone just starting out with ARM microcontroller development (like me). AfterContinue reading “Configuring the STM32F4-Discovery for audio”

Hello STM32F4-Discovery

One way in which it’s easy to tell that I’m still relatively new to the whole electronics and microcontroller hobby is by the amount of new developments in this area I tend to miss until much later. One of those is the release of the STM32F4-Discovery evaluation boards from ST Microelectronics. While I was awareContinue reading “Hello STM32F4-Discovery”

VCR capstan control with ATmega328P

I like taking stuff apart, especially stuff with electronics in them, so when I saw an old VCR next to a trash bin in the alley behind our house, I had to take it in. There are obviously quite a few interesting bits inside a VCR, both mechanical and electronic. One of the things IContinue reading “VCR capstan control with ATmega328P”

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