Author Archive

Use an old Nokia charger to power 1W LED

Here is one useful trick I invented when looking around the transformers/power supplies I had. NOKIA ACP-7 Europe Standard Charger (Original) has a specification of 230 V, 50 Hz, 4.8 VA. Output 3.7 V, 355 mA. A normal 1W white LED is driven with 350 mA maximum continuous current and typically 3-3.8V voltage drop over

Practical jokes around workplace – part III

I was recently subjected to a practical joke that nearly made me lose my nerves. Me and my dear colleague shared a common workroom in which we worked. One day he had a nice idea and he brought a remotely controllable socket and connected my display to it. When ever he was in the room

Practical jokes around workplace – part II

In many offices they have some PC- and IT-magazines delivered to the coffee room. If you know that your colleague is interested in some specific magazine, wait for the next issue, and do the following… Use the stapler to staple all the sheets of the magazine together and then write a post-it as follows: “John,

Practical jokes around workplace – part I

If you happen to have a troller full of old pc’s waiting in the office to be collected and further disposed, you can still utilize them. For example you can cheer up your collegues by carrying the old pc’s and place them onto your collegues room or a cubicle. You should do this when your

Nuclear grade duck tape

Do need real strength in your DIY fixes? This is definetly for you. Addition to those nice post-its 3M has nuclear grade duck tape. Check details at 3M product page. You can buy this killer product from Price of 33.99$ is bit stiff compared to usual stuff, but you will get real stuff

Welcome to ePanorama blog.

Welcome to ePanorama blog. In this blog we try to cover special and nice things in the area of electronics! The writers for this blog are Tomi Engdahl and other members of the ePanorama team.