blog.jmp.no

Electronics, coding and hacking. And ADD.

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Russian laser roulette

January 11, 2012 -

I found a couple of servos and a laser module in one of my drawers. And a microcontroller. Doesn't that have "fun" written all over it?more


ATputer revived, upgraded

January 8, 2012 -

I previously mentioned the ATputer (aka "Joko Uno") computer earlier, and I felt it was time to brush some dust off it and give it a small software upgrade.more


Bluetooth controlled relays

December 28, 2011 -

As if moving to a new house in christmas wasn't enough, I've been ill for a couple of days. You know, just to top it off with something. Dunno what hit me, but it was hard. Now that I'm finally back on my feet, it's time to play with me ole' toys again.more


8-bit R2R ladder

September 27, 2011 -

As I've mentioned earlier, I'm an active breadboarder. Having nothing to do, and being a while since I did my own R2R ladder (DAC), this day felt like a good day to refresh those ole' skills. Using an ATmega8 (for a change) and a handful of 1K and 2K2 resistors, an 8-bit R2R ladder was born. The ATmega outputted a…more


The ATPuter

September 19, 2011 -

Here's another oddity I never really wrote anything about. This didn't catch on to me. Don't get me wrong, but it was a "too easy" approach towards building my own computer. I'll explain why.more


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