Category: Mechanical engineering

CdS photocells and their characterisation

CdS photoresistors (also called photocells sometimes) are an inexpensive type of light sensors. They find their use in light detecting sensors (daylight switches, light meters) and also in some music equipment (eg. noiseless faders and also some guitar effects). Due

Posted in Arduino, Electronics, Mechanical engineering, Photovoltaics

And another short Nikon 1 10-30mm VR followup

If you have read my previous post you will know what the problem was… In short after bumping a Nikon 1 10-30mm VR lens I couldn’t get it all the way down to 10mm or to locked position again. While

Posted in Electronics, Mechanical engineering, Photography Tagged with: , ,

Nikon 10-30mm VR lens repair followup

So just a followup on Nikon 10-30mm VR lens repair. These lens had a serial issue, which caused lens to become unusable after many zoom operations. Nikon issued a recall/free service for the lens. The repair shop did at first

Posted in Electronics, Mechanical engineering, Photography Tagged with: , , , ,

Nikon 1 J1 10-30mm lens error

I recently got a Nikon 1 J1 mirroless exchangable lens camera at a great price 🙂 Well actually the price was low because the kit lens (10-30mm) it came with were broken, displaying an error… The annoying lens error “popup”

Posted in Electronics, Mechanical engineering, Photography Tagged with: , , , , , , ,

Mini cnc build log #1

About a year ago I participated in a CNC group buy on a slovenian electronics forum (part of members split and formed another forum). Up to a few weeks ago I had all the elements packed up, but now I

Posted in CNC, Maker community, Mechanical engineering Tagged with: , , , , ,
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