The 36th annual Mike and Key Amateur Radio Club Electronics Show and Fleamarket will be held next Saturday, March 11th at the Washington State Fairgrounds in Puyallup, WA.
This is one of the best amateur radio events in Washington state and one that I look forward to every year. A couple years ago I came home with a working Hameg HM-507 analog+digital oscilloscope (pictured above) for a hundred bucks!
I have a table at the swap meet this year, and I’ll be selling Geiger counter kits, misc. electronics, and amateur radio gear. Look for the MightyOhm banner.
I hope to meet some local folks there!
Veselin Georgiev created this custom Geiger counter based on the MightyOhm Geiger Counter kit. Veselin’s version, called the LVA Geiger Counter, includes several changes:
- A 7-segment display with brightness control shows the measured radiation level in uSv/hr or total counts since startup.
- ATmega88 instead of ATtiny2313 to allow more space for firmware extensions.
- Battery level monitoring with alarm.
- Phono jack pulse output for connection to monitoring software.
Kits are available from robotev (shipping to Bulgaria and Balkan-area only).
Micro Center is selling off their remaining stock of Geiger Counter kits at a substantial discount. Looks like there are still a few in stock at select locations.
Over at The Sync Channel Blog, Dan Watson wrote this awesome tutorial that shows you how to add an OLED display and Wi-Fi interface to the MightyOhm Geiger Counter kit.
Nice work, Dan!
Light snow in Seattle and this message from Aperture Science remind us that the holidays are here!
I’m happy to announce that I have a limited quantity of Geiger Counter kits in stock – just in time for the holidays. You can order one here.
(PS. Rescue Shields are in stock too.)