Category: English
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LeCroy 9450 oscilloscope repair
This was supposed to be an easy repair, and therefore not worth blogging about. But as it turns out, it might get interesting after all. (The ‘scope is not repaired yet) The “Leidse Makerspace” owns a LeCroy 9450 350Mhz DSO. When they moved to their new location I temporarily got this oscilloscope. Not just for…
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Quick and dirty Arduino optical mouse sensor experiment (a2620 chip)
I wanted to experiment with a optical mouse sensor, did a websearch, found this blogpost, and adapted the code for my A2620 mouse sensor. As it might be useful to others, below is my Arduino sketch and the processing sketch. Use the processing sketch to view the image from the sensor, or use a terminal…
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Fixing a broken SD card slot.
Repair companies are completely right they don’t repair on this level of detail, but swap an entire board instead. Much easy-er. But I don’t have spare boards lying around and I like a challenge, so… A friend of mine had a defective digital camera, someone forced the sd card in the wrong way, with bent…