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App note: Calibration of the AVR’s internal temperature reference

Another app note from Atmel, calibration of the AVR’s internal temperature reference (PDF!) This application note describes how to calibrate and compensate the temperature measurements from the...

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AVR timer-based one shot explained

Josh writes: Last time, we made one-shot pulses using the AVR’s built in hardware timer module. Today we are going to dive deep into the datasheets to see how this technique is able to coax the...

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How to develope for the ATtiny85 without becoming insane

Lembke writes: I like the ATtiny85. It is small, comes in a solder friendly DIP 8 case, has 8k Flash + 512 Bytes Ram, 5 to 6 IO pins at 8 MHz with no external parts. But developement is a pain: no...

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Vulcan-74: A 6502 Retro MegaProject

Radical Brad over at the 6502.org forum has been working on this cool 7400 logic VGA video game system, Vulcan-74: The Goals… Video must be perfectly stable VGA, putting out 256 colors at a resolution...

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An Android TV-stick baseboard

Necromant designed and built an Android TV stick baseboard: The idea was dumb simple. I needed a USB hub, since TV sticks don’t have many USB ports included. I needed GPIOs, so I threw in an...

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Temperature alarm for boiling milk

Domen Ipavec shares his temperature alarm for boiling milk in the project log forum: Anyone who has ever boiled milk on the stove knows, that it has a nasty habit of overflowing. That is why I created...

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Electronic film clapper

Steve Smith from ProjectAVR has published a new build: On the board, I included several options to tailor the design to the builders taste. Provision for both a digispark board or bare ATTiny85 chip,...

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AtPack: Atmel Pack parser, visualizer and fuse calculator

  AtPack – Atmel Pack parser, visualizer and fuse calculator from Vagrearg: Looking for an up-to-date fuse-calculator for the Atmel(*) AVR chips has been something of a long search. There are several...

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PiggyFuse HVSP AVR fuse programmer

Nerd Ralph published a new build: Although I’ve been working with AVR MCUs for a number of years now, I had never made a high voltage programmer.  I’ve seen some HVSP fuse resetter projects I liked,...

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AVR high voltage programmer 2

Dilshan Jayakody posted an update on his AVR high voltage programmer project we covered previously: AVR-HV2 is Arduino based high voltage parallel programmer for AVR microcontrollers. This programmer...

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