Skip to content

Sync dev to main: GPIO Header pinout on MSR-2 guides #1155

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We鈥檒l occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
Bunton33 merged 1 commit into from
Oct 13, 2026
Merged

Sync dev to main: GPIO Header pinout on MSR-2 guides #1155

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
6 changes: 6 additions & 0 deletions docs/homey/products/msr2/addons/adding-gpio-header-to-msr-2.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,12 @@ description: "Tutorial on adding the GPIO Header to your MSR-2."

![MSR-2 with the GPIO Header backplate fully seated and the header exposed](/assets/msr-2-gpio-header-pic-4.jpg)

## GPIO Header pinout

With the header installed, these are the pins you can wire to. IO18 and IO19 can't be used while you flash the MSR-2, and IO0 and IO1 carry the I2C bus (SDA and SCL).

![MSR-2 GPIO Header pinout. Left: GND, IO18, IO19, IO4, IO2, IO6. Right: 5V, IO7, SDA IO1, SCL IO0, GND, 3V](/assets/gpio-header-pinout.webp)

!!! tip "Make sure to check out our MSR-2 GPIO Header LED Strip Tutorial!"

Brandon AKA SmartHomeSellout made this neat tutorial for how to connect a short LED strip to your MSR-2
Expand Down
6 changes: 6 additions & 0 deletions docs/products/msr2/addons/adding-gpio-header-to-msr-2.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,12 @@ description: Tutorial on adding the GPIO Header to your MSR-2.

![MSR-2 with the new back cover fully attached around the GPIO Header](/assets/msr-2-gpio-header-pic-4.jpg)

## GPIO Header pinout

With the header installed, these are the pins you can wire to. IO18 and IO19 can't be used while you flash the MSR-2, and IO0 and IO1 carry the I2C bus (SDA and SCL).

![MSR-2 GPIO Header pinout. Left: GND, IO18, IO19, IO4, IO2, IO6. Right: 5V, IO7, SDA IO1, SCL IO0, GND, 3V](/assets/gpio-header-pinout.webp)

!!! tip "Make sure to check out our MSR-2 GPIO Header LED Strip Tutorial!"

Brandon AKA SmartHomeSellout made this neat tutorial for how to connect a short LED strip to your MSR-2
Expand Down
Loading