This sensor might do the trick: https://www.adafruit.com/product/3984 Connected to this: https://www.adafruit.com/product/3648 (out of stock!) Connected over SPI to a microcontroller or a RasPi.
On Thu, Aug 11, 2022 at 2:50 PM Russell Senior <russ...@personaltelco.net> wrote: > > Oops, lol. Try again. > > On Thu, Aug 11, 2022 at 2:44 PM Russell Senior > <russ...@personaltelco.net> wrote: > > > > On Thu, Aug 11, 2022 at 1:59 PM Rich Shepard <rshep...@appl-ecosys.com> > > wrote: > > > > > > I've no experience with SBCs while many here have such experience. I want > > > to > > > build a small temperature recorder that takes input from a thermocouple > > > probe, converts the changes to temperature (F and C), and writes the time > > > (from start) and temperature to a removable storage device. > > > > > > There are inexpensive units that do this but the maximum temperature is > > > limited to about 150F, and I need a range to 500F. > > > > > > The use is recording coffee roaster outlet temperatures each second. I'll > > > transfer the data to a desktop and plot the rate of rise of the air > > > exiting > > > the roasting chamber since I cannot directly measure bean temperature (and > > > that's less accurate and meaningful in any case.) > > > > > > Would an Arduino, Raspberry Pi, or other SBC be appropriate for this? > > > Also, > > > suggestions for a sensor module and other components are certainly > > > welcome. > > The worldwide supply of raspberry pi's available through ordinary > retail channels is zero right now (or was the last I looked). But > they'd be a good choice. The missing information is "how far away is > your coffee roaster?" If you are close enough, you could use a > microcontroller like an arduino or similar and interface with the > sensor of your choice directly to a PC over USB. Your range with USB > is usually 5 meters. > > I don't know very much about measuring temperatures up to 500F, I am > mostly interested in air temps and related phenomena. Look on some > place like adafruit.com for a sensor and how to interface with it. > > -- > Russell
