Radar is a valuable technology. Because of its unique features, it not only helped to win world war II. It also can solve many problems in our projects.
Sensors included: RCWL-0516 (3GHz), HB100 (10GHz), CDM324 (24GHz), FM24-NP100 FMCW Radar (24GHz)
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These are the questions answered in this video:
- Which Radar sensors exist, and how do they have to be connected to our boards?
- How do they compare?
- How can we use them in our projects?
- Which other technologies exist to solve similar problems?
- And finally, we should have a comparison chart, also including PIR and Lidars

Links:
RCWL-0516 (Presence): https://s.click.aliexpress.com/e/_9y4W4C or https://amzn.to/3d82zvG or https://bit.ly/31mvXsD
HB100 (Speed): https://s.click.aliexpress.com/e/_ADfbUc or https://amzn.to/3d6Stem
CDM324 (Speed): https://s.click.aliexpress.com/e/_AZNnGU or https://amzn.to/3vZuGWx
FM24-NP100 24GHz (Distance): https://s.click.aliexpress.com/e/_AmT5cG
Diagram RCWL-0516: https://www.snapeda.com/parts/rcwl-91...
Info FM24-NP100: https://ebay.to/3swsfs4
Info speed sensors: https://bit.ly/3fhxFnd
Info HB100 presence detector: https://bit.ly/31qcGXg
ESP32 FFT sketch: https://github.com/G6EJD/ESP32-8266-A...

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