The Type K thermocouple is the most common type. It’s inexpensive, accurate and reliable and has a wide temperature range. This article shows how to use an Arduino Uno/Nano microcontroller with an ...

CGA monitors may not be an amazing technological advance these days, but they can generally be found very cheaply. Additionally, they have a DB-9 connector and work off of TTL ranges (0-5VDC) making ...

[Wolf] had a Polar brand exercise watch that wirelessly monitored a chest strap that sends it heart rate data. It sounds like there’s some way to transfer data from the watch to a computer, but it’s ...