DIYGeigerCounter<\/a> site. The original circuit appears in “Biassing [sic] G-M Tubes Isn’t So Hard” by Tom Napier in the January 2004 issue of Nuts & Volts.<\/p>\n","protected":false},"excerpt":{"rendered":"Introducing the MightyOhm Geiger Counter kit! Geiger Kit Options Kit with Laser-Cut Case and SBM-20 Geiger Tube $114.90 USDKit with SBM-20 Geiger Tube (no case) $99.95 USDKit without Geiger Tube or Case $49.95 USDLaser-cut Case Only $14.95 USDBare PCB Only $12.00 USD Assembly Instructions Case Assembly Instructions Design Files Source Code Usage Instructions SBM-20 Tube … Continue reading Geiger Counter<\/span> →<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"parent":1453,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-4074","page","type-page","status-publish","hentry"],"jetpack_shortlink":"https:\/\/wp.me\/PioCd-13I","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"jetpack-related-posts":[{"id":15656,"url":"https:\/\/mightyohm.com\/blog\/products\/geiger-counter\/sbm-20-tube-specs\/","url_meta":{"origin":4074,"position":0},"title":"SBM-20 Tube Specs","author":"Jeff","date":"January 18, 2022","format":false,"excerpt":"The SBM-20 is one of the most popular GM tubes for hobby Geiger Counter and radiation monitoring projects. It is relatively sensitive and easy to use. There are many example circuits online that will help you build a Geiger Counter using this tube. One example is the MightyOhm Geiger Counter\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":4523,"url":"https:\/\/mightyohm.com\/blog\/shipping-status\/","url_meta":{"origin":4074,"position":1},"title":"Shipping Status","author":"Jeff","date":"December 25, 2011","format":false,"excerpt":"Last updated May 26th, 2026: All variants of Geiger Counter kits are currently in stock. Bundled kits that include a case and SBM-20 Geiger tube are also available from Amazon.com. For fastest shipping of Geiger Counter kits, please order a boxed kit from Amazon (link). I'm also happy to ship\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":4288,"url":"https:\/\/mightyohm.com\/blog\/products\/geiger-counter\/case-assembly-instructions\/","url_meta":{"origin":4074,"position":2},"title":"Case Assembly Instructions","author":"Jeff","date":"October 23, 2011","format":false,"excerpt":"Ready to assemble your case? \u00a0Ok, let's go! \u00a0These instructions will show you how. \u00a0Case assembly should take\u00a0about 5-10 minutes, more if you want to swap out the existing mute button on your geiger counter for the new microswitch included with the case. There is also a printed version of\u2026","rel":"","context":"With 1 comment","block_context":{"text":"With 1 comment","link":"https:\/\/mightyohm.com\/blog\/products\/geiger-counter\/case-assembly-instructions\/#comments"},"img":{"alt_text":"Geiger Counter Case","src":"https:\/\/i0.wp.com\/mightyohm.com\/files\/geiger\/images\/6273801959_ef0d6f7218.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":4091,"url":"https:\/\/mightyohm.com\/blog\/products\/geiger-counter\/usage-instructions\/","url_meta":{"origin":4074,"position":3},"title":"Usage Instructions","author":"Jeff","date":"August 5, 2011","format":false,"excerpt":"How to use it! Easy, turn on the switch and listen for clicks! Watch the LED, it will flash every time a beta particle or gamma ray hits the tube! (Note: The tube that comes with the kit is not sensitive to alpha particles.) If you get tired of hearing\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":4086,"url":"https:\/\/mightyohm.com\/blog\/products\/geiger-counter\/support\/","url_meta":{"origin":4074,"position":4},"title":"Support","author":"Jeff","date":"August 5, 2011","format":false,"excerpt":"For support, please go to the Geiger Counter Kit\u00a0support forum. \u00a0","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1453,"url":"https:\/\/mightyohm.com\/blog\/products\/","url_meta":{"origin":4074,"position":5},"title":"Products","author":"Jeff","date":"March 10, 2009","format":false,"excerpt":"Geiger Counter An open source Geiger Counter kit with logging capabilities. AVR HV Rescue Shield 2 New and improved fuse programming shield for Atmel AVR microcontrollers.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/mightyohm.com\/blog\/wp-content\/uploads\/2009\/03\/geiger_thumb.jpg?resize=350%2C200","width":350,"height":200},"classes":[]}],"_links":{"self":[{"href":"https:\/\/mightyohm.com\/blog\/wp-json\/wp\/v2\/pages\/4074","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mightyohm.com\/blog\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/mightyohm.com\/blog\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/mightyohm.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/mightyohm.com\/blog\/wp-json\/wp\/v2\/comments?post=4074"}],"version-history":[{"count":74,"href":"https:\/\/mightyohm.com\/blog\/wp-json\/wp\/v2\/pages\/4074\/revisions"}],"predecessor-version":[{"id":15755,"href":"https:\/\/mightyohm.com\/blog\/wp-json\/wp\/v2\/pages\/4074\/revisions\/15755"}],"up":[{"embeddable":true,"href":"https:\/\/mightyohm.com\/blog\/wp-json\/wp\/v2\/pages\/1453"}],"wp:attachment":[{"href":"https:\/\/mightyohm.com\/blog\/wp-json\/wp\/v2\/media?parent=4074"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
![\"OSHW](\"http:\/\/mightyohm.com\/files\/geiger\/images\/6275026497_3cf9f175b2_c.jpg\")
<\/h3>\n