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Nice enhancements to the Mighty Ohm Geiger Counter @joeyhagedorn

Joey Hagedorn (@joeyhagedorn on Twitter) posts some neat upgrades to the Mighty Ohm Geiger Counter kit. They include adding a Particle Argon processor, LiPo battery, and Adafruit OLED Display to provide information.

I added an Adafruit 128×64 graphical OLED display, Particle Argon WiFi μC, LiPo battery pack, and tube voltage monitoring circuit. It features an AD8244 high-input-impedance buffer and a 1 GΩ/3.9 MΩ voltage divider to connect to an ADC pin on the Argon.

I converted some classic Mac fonts to use with the Adafruit_GFX (graphics display) library—Espy Sans, Chicago, and Geneva—for the ultimate UI bitmap font style.

Read more in the Twitter thread here. Nice work!


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