Notes to Self

Alex Sokolsky's Notes on Computers and Programming

Shelly Plus Plug US

Shelly Plus Plug US, Manual and Spec, pdf manual.

From the manual:

LED States:

Color Blink Description
Blue quick AP Mode
Blue slow STA Mode (no cloud)
Blue still STA Mode (connected to cloud)
Red still Relay On
Red & Blue quick FW Update

Installation/Initial inclusion

Allocate a Static DHCP Lease

In your router settings ensure that the DHCP lease is static.