Category Archives: 433 mhz

DIY ESP32 Alarm System Leverages 433 MHz Sensors

There’s a huge market for 433 MHz alarm system hardware out there, from PIR motion detectors to door and window sensors. If you want to put them to work, all you need is a receiver, a network-enabled microcontroller, and some code. In his latest video, [Aaron Christophel] shows how easy …read more

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Posted in 433 mhz, arduino alarm system, ESP32, home alarm system, home automation, home hacks, Microcontrollers, telegram, wireless hacks | Leave a comment

Alarm System Defeated by $2 Wireless Dongle, Nobody Surprised

It seems a bit unfair to pile on a product that has already been roundly criticized for its security vulnerabilities. But when that product is a device that is ostensibly deployed to keep one’s family and belongings safe, it’s plenty fair. And when that device is an alarm system that …read more

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Posted in 433 mhz, alarm, baofeng, dongle, jammer, jamming, lockpicking hacks, security, SimpliSafe, wireless, wireless hacks | Leave a comment

Hackaday Podcast Ep3 – Igloos, Lidar, And The Blinking LED Of RF Hacking

It’s cold outside! So grab a copy of the Hackaday Podcast, and catch up on what you missed this week.

Highlights include a dip into audio processing with sox and FFMPEG, scripting for Gmail, weaving your own carbon fiber tubes, staring into the sharpest color CRT ever, and unlocking the secrets of cheap 433 MHz devices. Plus Elliot talks about his follies in building an igloo while Mike marvels at what’s coming out of passive RFID sensor research.

And what’s that strange noise at the end of the podcast?

Direct Download (59.2 MB MP3)

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Posted in 433 mhz, dot matrix printer, ffmpeg, gears, Hackaday Columns, igloo, lidar, podcast, Podcasts, rfid, rfid sensors, sox, Toki Pona | Leave a comment