Step 10: Soldering of the Atmel to the PackPack PCB

Here the most critical part of this project. The soldering of the Ardweeny.

You must first put the chip on the right side. Don't solder it in backwards! It's a real chore trying to fix a chip soldered in the wrong-way around!

Look closely at the Atmel chip - it has a little notch or recess on one of the narrow ends. The Ardweeny pcb has a similar line drawn on the end of the PCB (the opposite side to the push button). Check out the picture below to confirm you have it right!

Once you are positive you have things lined up correctly, squeeze the Atmel chip between the leads under the Backpack PCB, so the top of the IC mates with the the bottom of the PCB.

If you are having some trouble lining things up, use a breadboard to hold the PCB upside-down and steady with the programming pins.

Again, use the "single-pin" soldering technique: After soldering the first leg of the chip, make sure the chip is correctly in place on both sides. All looks good? Excellent - finish soldering, using as little solder as you can. Too much solder can blob down the pins, and make it hard to use with a breadboard!

Great idea on the extra-long socket-headers, but can't you use those headers to mount the IC on the top of the board and then find a way to connect the 6 header pins so that you can access them for programming?
two more things I forgot the switch and the LED. For the LED you can keep it like that or not add it at all (if it's possible) and for the switch you can buy a new one and put it on horizontally.
I heard if you already have an Arduino board with usb (like deulcimileneuvo (bad spelling)), one can pull the u-controller out and then make jumpers from the serial lines to ardweeny.<br /> Might save people money if they only need usb for programming and have a board already.
you bet! this is a instructible i did a while back<br>http://www.instructables.com/id/program-a-ardweeny-using-a-duemilinove-no-more-f/
Hi,<br /> I just got two ardweenys. I soldered the first one up, the SHX solder makes it SO easy to get almost perfect joints :). I have a few questions about it. Firstly, can your program it with a PICAXE USB download cable? And, what voltage can it handle, as it doesn't have a built-in reg like arduinos?<br /> Thanks so much, I am looking forward to firing it up!<br />
One more question: I used Hydro-X solder, should I wash it?<br />
For your first question, no you cannot program it with pic axe usb cable u should use a usb to serial cable and also I&nbsp;recommend&nbsp;only using 5V. Lastly, about the SHX solder, yes you should wash it, it is safe to do so and it will prevent short circuiting if you do.<br />
&nbsp;Are there eagle plans for the board?
We've been doing documentation for our kits for a long time (~17 years), so adding them to Instructables has been fun. I <em>do</em> wish there were some better editting tools like in CorelDraw... :-)<br />
Nice instructable.<br /> Very well set out.<br /> <br /> I could google it, and not understand the results, but I thought it'd be a better idea to ask people on here who know what they are talking about and generally don't shoot people down.<br /> <br /> What is an arduino (and indeed, an ardweeny), and what is it used for?
&nbsp;An arduino/ardweeny is a microcontroller. Think of it as a little computer, that takes the space of a single chip. You use software on a desktop computer to write code for an arduino/ardweeny which will make it do things.&nbsp;<br /> <br /> The code tells the arduino/ardweeny what to do. You can tell it for example, to make pin 6 high for 2 seconds every 4 seconds. Then, if you hook up an LED to this pin, it would turn on for 2 seconds every 4 seconds. Then the cycle would repeat, creating a blinking LED.&nbsp;<br /> <br /> Basically, there are input pins and output pins. Inputs use external things (such as buttons or light dependent resistors, or other sensors) to tell the microcontroller what to do. Example, when pin 9 is high, make pin 6 high as well. This could for example, be used to turn on an LED. That example was very simple, however. You could tell the microcontroller to do a whole bunch of things when pin 9 was high.&nbsp;<br /> <br /> Output pins are how to microcontroller is able to control things like LED's. The microcontroller makes output pins high or low depending on how the code has been written. <br /> <br /> (This is a very simple explanation with simple examples. Microcontroller experts hook them up in crazy ways with lots of inputs and outputs to create things that move, light up, etc.)&nbsp;<br />
I&nbsp;just ordered the parts, can't wait to try it =D<br />
I guest you can't wait to come back in Canada too :P<br />
&nbsp;Very nice indeed, i know a guy thay had made these for years, but without a PCB!
Very clear, very well written.&nbsp; Good warnings along the way.&nbsp; I guess you folks have written how-to's before, eh?&nbsp; ;-)<br />

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