Teyleten Robot MAX31865 PT100 to PT1000 RTD-to-Digital Converter Board Temperature Thermocouple Sensor Amplifier Module 3.3V/5V for Arduino 3pcs

The MAX31865 PT100 to PT1000 RTD-to-Digital Converter Board has garnered mixed reviews from users. While the product has potential for those familiar with electronics and willing to undertake the necessary modifications, it appears to fall short in reliability and usability for many. Users have reported significant issues with the board's voltage compatibility, particularly at 5V, where the onboard voltage regulator has been noted to overheat and fail. This has led to the destruction of multiple units, as the board is not truly rated for 5V despite claiming compatibility. When attempting to use the board at a lower voltage of 3.3V, some users found that while it did not overheat, it still did not function correctly, indicating that the board may have inherent design flaws or quality control issues. Additionally, the configuration for the RTD type requires specific modifications, such as cutting jumper traces and adding solder blobs, which can be cumbersome and may present a barrier for those who are not experienced with soldering or modifying electronics. Several users have reported that they struggled to achieve accurate temperature readings, particularly with 3-wire RTDs, suggesting that the default configuration favors 2 and 4 wire RTDs. In summary, while the MAX31865 board offers a plethora of features for temperature measurement with RTD sensors, the necessity of extensive setup modifications combined with reports of malfunctioning units has left many customers dissatisfied. **