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Reviewed in the United States on March 13, 2025
This is for a PT1000, not a PT100. The listing says to use with a PT1000, you have to swap resistor to a 4301, but it is already a 4301. So basically useless if you decide to buy it to use with a PT100.
Me
Reviewed in the United States on January 5, 2025
There's a 4.3K ohm resistor installed in Rref, which makes this board compatible with PT1000 thermocouples. It comes with two 430 ohm resistors for PT100 thermocouples. The thermocouple included is a PT100, which will not work with this board unless you remove the Rref resistor and solder one of their 430 resistors in.It doesn't make a lot of sense why they would include a PT100 and a 4.3K combination, but if you are looking for a MAX31865 board ready to go for a PT1000 thermocouple, this one will work for you.
Anushruth
Reviewed in the United States on September 1, 2024
Wired up the board and attempted to read the temperature. Tried with an Arduino uno and a couple of libraries, no luck. Measured the resistance between the two red wires, it was too low 0.2 ohms. I think it should be 2 ohms.Save your time and buy from somewhere else.
Owen McCulloch
Reviewed in the United States on March 14, 2024
While the PT100 works fine, this boards construction is not the best. Mine came pre-used! Never seen this before when ordering parts. The 2/4 pin jumper was mangled. Looks like someone put way too much heat on it. Not sure if I got sent a someone’s returned product but I was very disappointed. I tried to salvage the board but it is not giving accurate readings…
Adam V.
Reviewed in the United States on December 27, 2023
Bought this as a replacement for a BTT MAX31865 that came with my H2 500C hotend. Works just the same, you just have to make sure to get the resistors/solder bridges set properly for your application.
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