LMB / LMA (Lost Model Beacon / Lost Model Alarm) demonstration

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Here's the video on how to build it!
I decided that I wanted a solution that doesn't reply on GSM signal, so I built a 433mhz beacon. This thing is now going to be my daily safeguard against loss!
I've got some 446mhz modules coming which will use the PMR (open) frequency in the UK.
Please check the end of the video for full spec.
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