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local-ai

rtl_433: Decode Radio Transmissions

Decode 433mhz signals with rtl_433, useful for IoT and sensor projects, 7.5k+ GitHub stars
intermediateโฑ 1-2 hours๐Ÿ’ต Free
7,498 stars1,523 forksCQuality 9/10Updated 6/5/2026100% free ยท open source
What it is

Decodes radio transmissions from devices on specific frequencies.

What you can make with it

Automations like: monitoring temperature sensors and sending alerts when they exceed a certain threshold.

How it helps

This skill helps you capture data from a wide range of devices, providing insights into their activity, without the devices necessarily providing a digital API.

Real use case example

"A hobbyist inventor wants to monitor the temperature of a greenhouse. They set up a rtl_433 service, point it at the sensor on a weather station, and connect it to their home automation system to send alerts when the temperature gets too high."

If you're new

Pick this up when you need a starting point understanding how data can be extracted from RF signals.

If you're senior

Reach for this when you need to integrate sensor data into complex systems, such as IoT platforms or home automation.

Common confusion cleared up

This skill is focused on decoding specific types of radio signals, rather than manipulating or analyzing data from existing APIs.

Best inside these AI tools
Self-hostedAny AI Client
Pairs with
Claude APIStripe webhookNotion database
Why we list it on WorkflowStacks: We include this free, open-source tool because it's a valuable alternative to proprietary data collection methods.

About this skill

Program to decode radio transmissions from devices on the ISM bands (and other frequencies)

Topics

433mhz
rf
rtl-sdr
sdr
sensors
signal-processing
What's inside โ€” free to inspect
No purchase needed

Read the entire source before you build โ€” unlike paid marketplaces that hide it behind a buy button.

10
top-level files
11
folders
9.9M
repo size
GPL-2.0
license
Key files
maintainer_update.py
README.md
File tree
.ci/
.deploy/
.github/
cmake/
conf/
docs/
examples/
include/
man/
src/
tests/
.clang-format
.gitignore
AUTHORS
CHANGELOG.md
CMakeLists.txt
COPYING
Doxyfile.in
maintainer_update.py
README.md
rtl433.pc.in
Quick Actions
Details
Creator
merbanan
Language
C
Category
local-ai
Published
1/19/2013

Are you the creator of this tool? Claim your listing โ†’ and earn 85% of every sale.

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