This comes as an unassembled kit. It includes a pre-programmed ATmega328 and everything else you will need.<\/p>\n\n
You can find more discussion here<\/a>.<\/p>\n\nDocuments:<\/strong><\/p>\n\n\n- Eagle Files<\/a><\/li>\n
- Schematic<\/a><\/li>\n
- Source Code<\/a><\/li>\n<\/ul>","description_markdown":"**Replacement:** None. We are no longer carrying this kit. This page is for reference only.\n\nThis kit was designed specifically for a high altitude balloon ([HAB](http:\/\/www.sparkfun.com\/commerce\/tutorial_info.php?tutorials_id=180)) project, but has many other uses. It was designed as a heater system for the electronics enclosure but you can use it to control a relay for other heating systems or wherever you might want to precisely control a relay.\n\n This comes as an unassembled kit. It includes a pre-programmed ATmega328 and everything else you will need.\n\n You can find more discussion [here](http:\/\/www.sparkfun.com\/commerce\/tutorial_info.php?tutorials_id=187).\n\n**Documents:**\n\n* [Eagle Files](http:\/\/www.sparkfun.com\/tutorial\/High-Altitude-Balloon\/LoadControl-v11.zip)\n* [Schematic](http:\/\/www.sparkfun.com\/tutorial\/High-Altitude-Balloon\/LoadControl-v11.pdf)\n* [Source Code](http:\/\/www.sparkfun.com\/tutorial\/High-Altitude-Balloon\/balloon-heater-v10.zip)\n\n","date_published":"2010-08-30 13:43:36-06","price":14.95,"qty_price":{"1":14.95},"in_stock":false,"backorder_allowed":false,"is_rohs_compliant":true,"is_export_controlled":false,"is_oshw":false,"in_eagle_library":false,"in_fritzing_library":false,"sparkfun_original":false,"hstariff":"","pack_length":"132mm","pack_width":"101mm","pack_height":"33mm","packed_weight":"0.1220lbs","ascii_art":"\n\n\n\n\n\n\n\n\n ....\n ..',:xl:cxx:.\n ..;;clloldOko:clxx:.\n ..,:oxxxolodlclxOOkdolo:l;.\n ..cdoocloddclllloxdlcdOOkxollol:.\n .;lxo. .ckkdxkoxkkxxcc:::coldoxkOOdoc:cd;.\n .,cdkOO0K0kl. .;dkOOkxkOOOk:cclcdkxodxxOOkdodx;'.\n .':okO00K00OOkxl;. ..:xddodxoOOkcxll:dxlllooxdl:,,:lxOl.\n :xOO00000OOkdl;... . .:odxdoxdlcdkkclcldl;;..cxdx0O000Oo.\n ,dOOOOkxo:,.......;lx0Oc. ..lxkxxOdoxoldc,'. ;kOOkxd00O000:\n ;l:,.......,cxO000Oxl;. .'ll:ddc,.. :kkkO0O00OOOk,\n .':ok0O00kdl;'.... ... ...'okkOkxOOkd:.\n cO000Oxoc;'.... ..'lkdc;...\n .:o:,'..... ..\n .'cdkd.\n :kkoc,...\n . :d. .....\n . .. .;c, .lOd'\n . 'c: .:o:'\n . . .::.\n . .. ..\n .. .' ..\n 'c. ..\n . .cxx,\n okx. ....\n .;loo' .;;'. ..\n . .ccodoo' ...\n '' .. ..,cl:;. ..\n . .cc,.. .\n ';''.\n\n\n\n\n\n\n\n\n\n\n","ascii_art_url":"https:\/\/www.sparkfun.com\/products\/10005\/images.txt","categories":[{"157":"Kits"}],"quantity":0,"images":[{"58":"https:\/\/cdn.sparkfun.com\/r\/58-58\/assets\/parts\/4\/1\/5\/7\/10005-01c.jpg","92":"https:\/\/cdn.sparkfun.com\/r\/92-92\/assets\/parts\/4\/1\/5\/7\/10005-01c.jpg","188":"https:\/\/cdn.sparkfun.com\/r\/188-188\/assets\/parts\/4\/1\/5\/7\/10005-01c.jpg","600":"https:\/\/cdn.sparkfun.com\/\/assets\/parts\/4\/1\/5\/7\/10005-01c.jpg"},{"58":"https:\/\/cdn.sparkfun.com\/r\/58-58\/assets\/parts\/4\/1\/5\/7\/10005-02.jpg","92":"https:\/\/cdn.sparkfun.com\/r\/92-92\/assets\/parts\/4\/1\/5\/7\/10005-02.jpg","188":"https:\/\/cdn.sparkfun.com\/r\/188-188\/assets\/parts\/4\/1\/5\/7\/10005-02.jpg","600":"https:\/\/cdn.sparkfun.com\/\/assets\/parts\/4\/1\/5\/7\/10005-02.jpg"},{"58":"https:\/\/cdn.sparkfun.com\/r\/58-58\/assets\/parts\/4\/1\/5\/7\/10005-03.jpg","92":"https:\/\/cdn.sparkfun.com\/r\/92-92\/assets\/parts\/4\/1\/5\/7\/10005-03.jpg","188":"https:\/\/cdn.sparkfun.com\/r\/188-188\/assets\/parts\/4\/1\/5\/7\/10005-03.jpg","600":"https:\/\/cdn.sparkfun.com\/\/assets\/parts\/4\/1\/5\/7\/10005-03.jpg"},{"58":"https:\/\/cdn.sparkfun.com\/r\/58-58\/assets\/parts\/4\/1\/5\/7\/10005-01b.jpg","92":"https:\/\/cdn.sparkfun.com\/r\/92-92\/assets\/parts\/4\/1\/5\/7\/10005-01b.jpg","188":"https:\/\/cdn.sparkfun.com\/r\/188-188\/assets\/parts\/4\/1\/5\/7\/10005-01b.jpg","600":"https:\/\/cdn.sparkfun.com\/\/assets\/parts\/4\/1\/5\/7\/10005-01b.jpg"}],"related_products":[10924]}