Send Raspberry Pi and Arduino notification messages to your desktop
You've Been Notified
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Article from Issue 297/2025
If you use sensors with a Raspberry Pi or Arduino in your home network, you may want to get desktop notifications on your Linux PC whenever some interesting event is detected. You can send messages via SSH or through simple TCP connections and display them with notify-send.
There are some great libraries and techniques that let you pass sensor data from microcontrollers to centralized data servers and IoT dashboards. If you spend a lot of time on your laptop or behind a Linux desktop PCs, there are also some simple options that you can use to push notifications from Raspberry Pis or Arduino modules to the Linux desktop. Two techniques that I like to use are
- Running a remote command via an SSH login
- Sending a message to a small TCP socket server script on my laptop (Figure 1)
Figure 1: Use SSH and TCP sockets to send notification messages from a Raspberry Pi or Arduino to a Linux desktop.
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