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Arduino time lapse – camera pan device

By Bajdi on May 25, 2015

I own one of these small action cameras (SJcam SJ4000). I bought it because it’s small, and easy to take with you wherever you go. To make nice stable videos I mount it on a mini tripod. This got me thinking that it would be fun to have a little motor between the tripod and […]

Posted in 3D printing, Arduino sketches | Tagged 28BYJ-48, electronics | 5 Responses

Simple DIY lab power supply

By Bajdi on January 25, 2015

I was getting a bit frustrated with my old lab power supply, a Manson EP925. I bought it second hand many years ago during my student years. The problem with it is that it has only one output. For many electronics projects I need several voltages, like 3V3 and 5V. Dangerous prototypes sells a PCB […]

Posted in Buying parts | Tagged electronics | 6 Responses

Testing switch mode voltage regulators

By Bajdi on February 2, 2014

There are different types of DC-DC regulators. The most common are linear and switch mode regulators. Everyone that has tinkered with electronics has probably used a 78xx series linear regulator. They are easy to use since they don’t need any special components. With most linear regulators you just put a capacitor on the input and […]

Posted in Buying parts | Tagged electronics | 13 Responses

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