Skip to content

Devices Mods Requests Defend Submit

Modder

J-Chandra-py

Builds mods for Polar sensors.

J-Chandra-py on GitHub

Is this you? Sign in with GitHub

In short

Their mod has 89 stars on GitHub.

Built

iron-heartPut your heart rate in OBS and VRChat

Open software for closed hardware.

3,722

mods for 4,106 devices

co.build

Devices Feed About Contact

Build

Requests Defend the mods Submit a project API

Legal

Terms of Use Privacy Policy

co.build lists third-party projects and provides its own descriptions and setup prompts. Review instructions before running them: device changes can cause damage, data loss or security problems. Independent repair does not automatically remove statutory warranty rights, but damage caused by a modification may be excluded where law permits. Check the project, permissions and local law. Device names and logos belong to their owners; a listing does not imply their endorsement.

© 2026 Just Cobuild, Co.

Devices Mods Requests Defend Submit

Modder

J-Chandra-py

Builds mods for Polar sensors.

J-Chandra-py on GitHub

Is this you? Sign in with GitHub

In short

Their mod has 89 stars on GitHub.

Built

iron-heartPut your heart rate in OBS and VRChat