open-source

MAX31865 RTD Interface

Measure a remote platinum temperature probe over SPI, with support for two-, three- or four-wire RTDs.

Remix this board → View source on GitHub ↗

License: CC BY-SA 3.0
Source revision: Rev A · PT100 configuration
Last mirror: Sep 10, 2026
Git commit: 456676008584

About MAX31865 RTD Interface

Measure a remote platinum temperature probe over SPI, with support for two-, three- or four-wire RTDs. Original two-layer design for adaptation to ViaGrid; rerouting and testing are required.

Published design files

Sensors & measurement · two copper layers
Open source (CC BY-SA 3.0) · Limor Fried / Adafruit Industries
Mirrored at 456676008584

Canonical source stays in the upstream git repository (and in WalGit after a successful mirror push). Generated renders and 3D models use artifacts/viagrid/max31865-rtd/456676008584923c0892454c5a9b0b33346f05f2/4b8ea6966ee16b4a on the artifact CDN and are not checked into git.