Control devices on your Rasp Pi network with text messages
Red Alert
© Lead Image © Valery Kachaev, 123RF.com
We show you how to control devices connected to Rasp Pi GPIO pins with text messages from an Android phone.
In places where Internet connections are not possible or too expensive, SMS text messaging can be a simple approach for monitoring and controlling your remote systems (Figure 1). Many of the mobile providers offer Internet of Things (IoT) packages for low data throughput, whereas you'd be looking at spending $1 to $5 per month for 1-5MB of data. From the hardware standpoint, many options come in either a Raspberry Pi HAT or a USB form factor (e.g., digital modem modules).
Figure 1: Control devices with SMS.
For prototyping, an Arduino phone and Node-RED [1] is a great way to jump-start your project.
[...]
Buy this article as PDF
(incl. VAT)
Buy Linux Magazine
US / Canada
UK / Australia
Subscribe to our Linux Newsletters
Find Linux and Open Source Jobs
Subscribe to our ADMIN Newsletters
Support Our Work
Linux Magazine content is made possible with support from readers like you. Please consider contributing when you’ve found an article to be beneficial.
News
-
TUXEDO Unveils New InfinityBook Pro with an AMD Ryzen AI 300
This new notebook offers serious power that is ready for your business, development, or entertainment needs.
-
Danish Ministry of Digital Affairs Transitions to Linux
Another major organization has decided to kick Microsoft Windows and Office to the curb in favor of Linux.
-
Linux Mint 20 Reaches EOL
With Linux Mint 20 at its end of life, the time has arrived to upgrade to Linux Mint 22.
-
TuxCare Announces Support for AlmaLinux 9.2
Thanks to TuxCare, AlmaLinux 9.2 (and soon version 9.6) now enjoys years of ongoing patching and compliance.
-
Go-Based Botnet Attacking IoT Devices
Using an SSH credential brute-force attack, the Go-based PumaBot is exploiting IoT devices everywhere.
-
Plasma 6.5 Promises Better Memory Optimization
With the stable Plasma 6.4 on the horizon, KDE has a few new tricks up its sleeve for Plasma 6.5.
-
KaOS 2025.05 Officially Qt5 Free
If you're a fan of independent Linux distributions, the team behind KaOS is proud to announce the latest iteration that includes kernel 6.14 and KDE's Plasma 6.3.5.
-
Linux Kernel 6.15 Now Available
The latest Linux kernel is now available with several new features/improvements and the usual bug fixes.
-
Microsoft Makes Surprising WSL Announcement
In a move that might surprise some users, Microsoft has made Windows Subsystem for Linux open source.
-
Red Hat Releases RHEL 10 Early
Red Hat quietly rolled out the official release of RHEL 10.0 a bit early.