https://stream.echo6.co/videos/watch/2b402e00-374a-4f47-bddf-1fa139c5e36a Check out Nordic Semiconductor: https://www.nordicsemi.com/ Try the world's most trusted PCB design software, Altium Designer with 365, for free and 25% off your purchase: https://www.altium.com/yt/greatscott! Previous video: https://youtu.be/yUMbE_TQrQs Old 2G SMS Alarm System video: https://youtu.be/pvHIV0bNRe4 More project information here: https://www.patreon.com/posts/4g-alarm-system-82175117 Parts list (affiliate links): nRF9160: https://www.mouser.de/new/nordic-semiconductor/nordic-semiconductor-nrf9160-kit/ Arduino Nano: https://s.click.aliexpress.com/e/_Dl59iTL 12V Power Supply: https://s.click.aliexpress.com/e/_Dd6gQFb 5V Voltage Regulator: https://s.click.aliexpress.com/e/_DeFaDpT Capacitors: https://s.click.aliexpress.com/e/_DmP5c7T Radar Human Presence Sensor: https://s.click.aliexpress.com/e/_Dma2WFj Resistors: https://s.click.aliexpress.com/e/_DlnYFM1 IRLZ34N MOSFET: https://s.click.aliexpress.com/e/_DET7GnL BC547 NPN BJT: https://s.click.aliexpress.com/e/_DDvae7b Facebook: https://www.facebook.com/greatscottlab Twitter: https://twitter.com/GreatScottLab Instagram: https://www.instagram.com/great.scott.lab/ TikTok: https://www.tiktok.com/@greatscottlab Discord: https://discord.gg/zuAvkAuhsY Support me for more videos: https://www.patreon.com/GreatScott?ty=h Websites which were shown during the video: https://www.nordicsemi.com/Products/Development-hardware/nrf9160-dk https://academy.nordicsemi.com/lessons/lesson-1-nrf-connect-sdk-introduction/ https://academy.nordicsemi.com/lessons/lesson-1-cellular-fundamentals/ https://ibasis.com/solutions/iot-connectivity/network-coverage/ https://devzone.nordicsemi.com/nordic/nordic-blog/b/blog/posts/implementing-mqtt-over-wi-fi-on-the-nrf7002-development-kit#mcetoc_1goojt89i2 https://academy.nordicsemi.com/topic/lesson-4-exercise-1/ https://www.eaton.com/content/dam/eaton/products/safety-security-emergency-communications/fire/fulleon/rolp-solista-and-maxi/en/eaton-fire-devices-rolp-solista-manual-en-fr-pl-de-it-nl-es-se.pdf https://enqt.de/en/news/2g-shutdown-when-is-it-coming-and-what-will-be-the-impact/ https://www.nordicsemi.com/Products/Low-power-cellular-IoT/What-is-cellular-IoT In this project we will be using the 4G LTE Network and a Radar Human Presence sensor to create a new and modern alarm system. Due to the 4G Network and LTE-M you can send alarm notifications super fast to your phone, while it costs you pretty much nothing. Combine that with a precise radar and loud siren and you got yourself an awesome alarm system that will protect your treasures 😉 Let's get started! Thanks to Nordic Semiconductor for sponsoring this video. 0:00 The Problem with Thieves! 1:17 Intro 1:54 Game Plan! 2:31 Siren 3:15 Radar Human Presence Sensor 5:53 LTE 4G Board 8:58 Using the Radar with the 4G Board 9:50 Final Prototype & Testing 11:19 Verdict Wed, 15 Apr 2026 09:46:04 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://stream.echo6.co https://stream.echo6.co/client/assets/images/icons/icon-512x512.png https://stream.echo6.co/videos/watch/2b402e00-374a-4f47-bddf-1fa139c5e36a All rights reserved, unless otherwise specified in the terms specified at https://stream.echo6.co/about and potential licenses granted by each content's rightholder.