Monthly Archive: May 2012

May 23 2012

First time with Arduino and AVR microcontrollers

I had been eying up Arduinos and looking into getting started with digital electronics for a while and now finally brought an Uno along with a 16×2 character LCD with RGB backlight. Wow. It’s like I’ve unlocked a whole new world of electronics, for years I’ve looked at digitally controlled devices like LCDs woundering how …

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May 12 2012

IR jammer

This is a simple 555 timer based circuit which can jam IR (Infrared) communications like TV remotes, when I first made the circuit (October 2011) it was a bit iffy at jamming IR and eventually stopped working for some reason, it wasn’t until recently that I brought a mini DSO and found out it needed …

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