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The DAOKI MAX31865 is a high-precision RTD temperature sensor amplifier board compatible with PT100 and PT1000 probes, offering a wide temperature range from -50 to 200℃. Featuring SPI interface and support for 2, 3, and 4-wire sensor configurations, it operates on both 3.3V and 5V systems, making it ideal for Arduino and other microcontroller projects. The package includes a 0.5m PT100 RTD sensor probe, and the board’s IP65 rating ensures durability in industrial and scientific applications.
| ASIN | B091GDWPPM |
| Best Sellers Rank | #458,621 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1,435 in Temperature Probes & Sensors |
| Brand | DAOKI |
| Brand Name | DAOKI |
| Circuit Type | 1-way |
| Connectivity Protocol | Wi-Fi |
| Connector Type | Molex |
| Contact Material | Copper |
| Contact Type | Normally Open |
| Control Method | App |
| Customer Reviews | 3.1 out of 5 stars 11 Reviews |
| International Protection Rating | IP65 |
| Item Weight | 100 Grams |
| Manufacturer | DAOKI |
| Material Type | Copper |
| Model | DR-US-571 |
| Mounting Type | Surface Mount |
| Number of Items | 1 |
| Number of Positions | 1 |
| Operating Voltage | 5 Volts |
| Operation Mode | automatic |
| Switch Type | Temperature Sensor |
| Terminal | Quick-connect |
| Unit Count | 1.0 Count |
| Upper Temperature Rating | 2E+2 Degrees Celsius |
2**E
DO NOT BUY FOR PT100
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.
A**.
Works well for my 3D printer
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.
M**E
Came with a 4.3K resistor soldered in Rref; will not work with included PT100 thermocouple
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.
A**H
Received a defective product
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.
O**H
Low quality board
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…
Trustpilot
1 week ago
1 month ago