Tiny OLED PC Performance Monitor
USB

Tiny OLED PC Performance Monitor

Rupert Hirst build a tiny OLED PC performance monitor based on Psyrax's serial monitor. The display monitors CPU and GPU temperature and activity etc. He writes: After a recent purchase of a Nvidia GTX1080 graphics card, 4k monitor plus Doom(2016), I thought it would be great to see...

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VHF Frequency Counter with PC Interface
RF

VHF Frequency Counter with PC Interface

Scott has published a new build: This is the general idea behind how this frequency counter works. It’s so simple! It’s entirely digital, and needs very few passive components. sn74lv8154 is configured in 32-bit mode (by chaining together its two 16-bit counters, see the...

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PC Thermometer Using D-sub Connector
Sensor

PC Thermometer Using D-sub Connector

One of the element in medical is the temperature, it prevents the buildup of humidity in the operating room, prevents the doctor and nurse from sweating while operating and refrigeration of medicines. In medical applications, reliability of the components is critical. The TE...

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