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Update | FlippenHeimer: A Flipper Zero Geiger counter that is now on sale

Inside the FlippenHeimer (Image Source: Erwin Ried)
Inside the FlippenHeimer (Image Source: Erwin Ried)
Flipper Zero users searching for exotic sensor mods for their devices are in luck: The FlippenHeimer is now on sale. This Geiger counter mod provides insight into surrounding radioactivity and has received glowing reviews. Update: Slight clarification of what the product can be used for

Modders can now add radioactivity detection as an optional feature found on the Flipper Zero. Courtesy of Erwin Ried on Tindie, the FlippenHeimer is an Ultra-compact Geiger counter that plugs into the GPIO pins on top of the Flipper Zero. Once plugged in, users can use the FlippenHeimer to measure and store information on their environment's beta and gamma radiation levels. While not the most essential environmental measurement, the FlippenHeimer can offer users insight into the impact of ionizing radiation sources such as x-ray machines and other medical devices. 

Ried is offering twenty percent off of each of the three purchase options for FlippenHeimer, which are "poverty," "El Handy," and "Ultimate," with each option lowering the amount of assembly needed to have a working device. Users who opt for the $104 "Ultimate" option will receive an assembled, calibrated, and tested FlippenHeimer in a custom 3D-printed case ready to plug into the Flipper Zero. However, the $25 "poverty" option is also available for users who are comfortable sourcing their parts and 3D printing their cases.

Either way, once a user has a working device, they can use FlippenHeimer's custom apps to measure radioactivity as counts per second (CPS) or per minute (CPM). The app's extra functionality includes unit options, reading recording, and more. Alternatively, users can use the Atomic Dice roller app to roll a set of virtual dice based on the information measured by the FlippenHeimer. Curious users can find more information on the FlippenHeimer, and Ried's other builds in the resources below.

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> Expert Reviews and News on Laptops, Smartphones and Tech Innovations > News > News Archive > Newsarchive 2025 01 > FlippenHeimer: A Flipper Zero Geiger counter that is now on sale
Stephen Pereyra, 2025-01-21 (Update: 2025-01-23)