If you want to build one have a look at the entire project here: ...link TBD... Are you building one right now and need info on it? Then keep reading :)

This board is the dc-bus capacitance and probably the simplest one in the entire coil.

Here's what you'll need to build it:

• Soldering Iron
• Solder (I suggest leaded solder if you don't have a powerful iron)
• PCB Components (listed below)
• at least one Cap Board PCB :)

Since this board has such a small BOM I'll just list it here:

These part requirements are not at all exact. If you have similar parts to any of these laying around or can get some other ones for cheaper go ahead :) Just make sure that the ratings are sufficient and the footprint similar (especially of the caps).

Note on the Capacitors: These were available in bulk form a german Ebay seller at the time of designing this coil. If they are no longer sold then you are probably better of finding a cheaply available replacement. They were nothing special and only selected because I bought a bunch of them for cheap :)

Word of warning on NOS or used Capacitors: Buying used or new old stock capacitors is definetely not a bad bet if you want to save some money (thats what I did after all :P) but you want to be careful when first charging them. Electrolytic caps degenrate their oxide layer over time and if you immediately fully charge old caps they might actually short out internally. Look up "regenerating old capacitors" for a recommendation on how to charge old caps without destroying them. But the idea basically to jsut charge it to a low voltage, let it sit for a while, charge more, let it sit and so on and so on.

Most important: make sure to place the caps the right way around to avoid fireworks :P

Do not solder the caps first ;) I made that same mistake (because it just felt good immediately placing those many big caps :P) but trust me its a pain to populate the small tht resistors and the neon indicators.

If you didn't buy neon indicators or just don't like them for some reason you don't need to populate them. I added them as a safe and reliable indicator for "don't touch the coil, death cans still contain death".

there's not really anything you can test on this board :) If you want to do it before putting the coil together you can re-generate the caps after assembly though (if neccessary).

This project utilises dangerous (lethal!) voltages! There is a high likelyhood of fire/personal harm if you don't know what you are doing. Use these files at your own risk. Any damage you do to yourself or other people with this project is not my responsibility.

I also make no promises about the correctness of any of the info given in this project or any of its files. It is also your responsibility to verify all of the data in this when building your own coil. You are thus responsible for any damage caused even by mistakes in these files.

Ensue the standard legal disclaimer text just to be sure... (modified for open hardware)

Permission is hereby granted, free of charge, to any person obtaining a copy of this data and associated documentation files (the “data”), to deal in the data without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the data, and to permit persons to whom the data is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the data.

THE DATA IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE DATA OR THE USE OR OTHER DEALINGS IN THE DATA.