STS-5 Dosimeter (Geiger Counter)
cults3d
My initial blueprint for a minimalist casing and driver electronics for a STS-5 (CTC-5) Geiger-Müller tube is centered around an Arduino Nano clone that powers a 0.96" OLED display, a standard 5mm LED, and a 12mm Piezo buzzer. The system draws power from an 18650 Lithium Ion 3.7v cell, which is recharged and boosted for Arduino use by a TP4056 board. The STS-5 tube demands low current 400VDC, delivered by a HIA4V1 DCDC step up board powered by the same 5v as the Arduino. Bill of Materials: 18650 Cell - These can be scavenged from many sources. TP4056 Li-Ion Charge w/ 5v Output HIA4V1 280V-1200V Boost Converter ATmega328P MCU STS-5 Geiger Muller Tube Active Buzzer 0.96" OLED Display Slider switch LED, capacitor, resistors, transistor, wire. Software: GitHub Link. Wiring diagrams and final build images are forthcoming.
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