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Mikrocontroller

iTTL_Analysis

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Analysis of the Nikon iTTL protocol

In this article I describe my findings on the iTTL protocol used by Nikon to control on-camera electronic speed lights. I will include information on the physical layer, serial data transmission, commands, timing, frame composition, and standard sequences like ON/OFF, and firing a flash.

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PCB DIY

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How you can make perfect PCBs yourself

PCB DIY


Every now and the I get asked, how I make my printed circuit boards (PCB). Here I give a tutorial on how I achieve verry good results.

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Triple PWM

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Triple PWM Testboard

PIC18F1330 and high power PWM

 

Just for fun I developed this neat, little PWM evaluation board. Containing a USB interface, a rotary encoder and three half bridges capable of providing 8A at 100V max, this board provides a very versatile small, yet powefull development platform.

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Free your Squeezebox Radio

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Hack your Logitech

Squeezebox Radio

In diesem Beitrag zeige ich, wie man sich ein Batteriepack baut und an die Squezzebox anschließt, wie man sich Zugang zu der seriellen Schnittestelle verschafft, und ein Easter Egg.

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ICD2 vs. ICD3

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ICD2 vs. ICD3

Debugger battle

 

A few months ago, Microchip announced the new ICD3 In Circuit Debugger. There is only very limited information available on the advantages of the ICD3. So I decided to buy one, test it and compare the new unit with my 3 years old (still working) ICD2.

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