Acorn RISC Machines infomercial
This was posted on Hack A Day today, and it seems an appropriate first post for this blog. It clearly captures one of my interests, namely digital processor technology (and a little bit of their...
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PSU conversion to bench supply
A few weeks ago I did what I had wanted to do for a long time: take the old computer power supply I had laying around and convert it to a simple bench power supply. There are plenty of instructions on...
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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...
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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....
View ArticleConfiguring 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...
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Identifying the controller chip on an LCD module
I recently got a cheap 20×4 LCD module on ebay and started playing around with it this weekend. Of course, given that I paid less than 5 pounds for it (incl. shipping from China) it came with no...
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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...
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Using the DMA controller on STM32F4
A little while ago I got one of the fairly common “Nokia 5110” LCD modules, a 84×48 b/w graphic LCD screen, thinking it would be handy to have in current or future projects. One of the things I...
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Record player modification
A few weeks ago I bought a record player for a few quid at the local flea market. Even though we already have a nice vintage Marconi record player that’s in great shape and sounds fine, it has two...
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Nikon D100 aperture control unit repair
A couple of months ago I managed to find a used DSLR body for a very good price at a local flea market. I had been thinking of getting a proper DSLR for some time now (so far I’ve been using a “bridge”...
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