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Improved annoyatron
I think that it's good to keep your hand in with some plain old C programming once in a while. So I ocasionally mess around with microprocessors. I've been working on an improved annoyatron, with my...
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Running the ATmega168
...so like me you've gone and got an ATmega168 from somewhere like http://www.sparkfun.com (which is where I get a lot of my stuff). It probably cost you about £2.50. Obviously you'd like to get it to...
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New Soldering Iron
I've just bought one of these soldering irons. I don't know why I didn't do it ages ago! It's been useful since I've been taking things apart again, for example here is an infrared receiver that I've...
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Improved Annoyatron Schematic
I have been starting to learn to use Eagle, so that I can document my circuit diagrams. Being quite new to designing hardware I'm learning that it's not good enough to just keep a copy of the source...
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Programming the ATmega168
There are several ways to get your program onto an ATmega168, the way I'm doing it is with one of these programmers and some jumper wires - essentially I followed the SparkFun tutorial here. This is...
View ArticleSimplest ATmega168 program
So how would you know that your code is running? Just about the simplest thing that you can do with a microprocessor is flash an LED on and off. So we'll start with that. You'll need to attach an...
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Microprocessor virtualisation
On one of my web-wanderings I discovered a piece of software called VMLAB. It allows you to build a virtual prototype of a microprocessor circuit, without any actual hardware! Very cool. Even better -...
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WiFly 802.11 b/g Super Module
I've bought one of these WiFly modules from coolcomponents.co.uk. It's great! I'm in the middle of documenting my set up and test procedure, so that life will be easier the next time I set one up. I...
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WiFly RN-134 Breadboard Testing
I’ve mentioned before that I bought one of these RN-134 “SuRF” boards from coolcomponents.co.uk. My aim is to write some code for AVR microprocessors that will be able to POST data to a service on the...
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