GRAD-A00 - Micropower Geiger-Müller Counter Arduino Shield

Submitted by GG on Sat, 04/11/2020 - 13:22

A new version of this project is available here

GRAD A00Like many other hobbyist we have always been fascinated by radioactivity and the sensors to detect it. Geiger-Müller tubes are a common and relatively inexpensive way to measure radiation. GRAD is a complete solution for radiation counting in an Arduino shield form factor. Its main features are dual tube support to increase sensitivity and very low power consumption.

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maxtc - Breakout board for Maxim SPI thermocouple sensors

Submitted by GG on Thu, 03/15/2012 - 10:15

maxtc bare pcb The Maxim MAX6675 and the newer MAX31855 thermocouple to SPI interface chips are very popular with electronics enthusiasts because of their extreme ease of use combined with good accuracy.
Both devices however are only available in SMD package making breadboard prototyping very difficult without using a suitable breakout PCB. Standard thermocouple connectors are also not breadboard friendly further aggravating the issue.

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