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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” camera, the Fujifilm S9500), so for only £30 it was worth the

by andreasfinkelmeyer August 15, 2015

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 disadvantages: 1) There are no external connectors, so all the sound comes from the built-in speaker.

by andreasfinkelmeyer March 13, 2015

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 especially like about this module is that it is using a serial protocol (SPI) to send data

by andreasfinkelmeyer September 15, 2013

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