#irthermometer — Public Fediverse posts

Building an IR Thermometer That Fits on Your Keychain https://hackaday.com/2024/07/05/building-an-ir-thermometer-that-fits-on-your-keychain/ #3Dprintedenclosure #Microcontrollers #IRthermometer #oleddisplay #ToolHacks #esp32-C3 #keychain

Building an IR Thermometer That Fits on Your Keychain - Non-contact infrared (IR) thermometers used to be something of an exotic tool, but... - https://hackaday.com/2024/07/05/building-an-ir-thermometer-that-fits-on-your-keychain/ #3dprintedenclosure #microcontrollers #irthermometer #oleddisplay #toolhacks #esp32-c3 #keychain

Turns out infrared thermometers don't get the temperature of water right.
Alerted to this when dying a shirt.
IR thermometer said 85°C - while I wondered why the water was gently bubbling.
Digging out a mercury thermometer revealed why - it was at simmering at 100°C.

The shirt still seems to have dyed okay.

Any physicist care to explain?
#PhysicsMastodon
#PhysicsQuestion
#IRThermometer
#TheNeedForPurple

Smart Thermometer Can Tell Flu from Cold - Before the outbreak of coronavirus, the seasonal flu was one of the most dangerous infectious diseas... more: https://hackaday.com/2020/06/26/smart-thermometer-can-tell-flu-from-cold/ #bayesianestimation #2020hackadayprize #thehackadayprize #irthermometer #medicalhacks #teensy3.2 #covid-19

A Stylish Low Part Count Non-Contact Thermometer - A non-contact thermometer is a pretty common tool anymore, and one that most of us probably have kic... more: https://hackaday.com/2019/04/30/a-stylish-low-part-count-non-contact-thermometer/ #2019hackadayprize #bubbledisplay #irthermometer #non-contact #attiny2313 #toolhacks #mlx90614