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#mmwave

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Replied in thread
David J. Atkinson

@LokiTheCat I forgot to mention that Third Reality #motion sensors #zigbee have been super easy and reliable for me. The sensor requires 2 AAA batteries. 8 mos later, mine are reporting 95% charge or higher on #PIR + #mmWave setting at 10 sec to 20 sec polling intervals. The Passive Infra Red (short to medium range) is always on and if triggered it turns on the mmWave longer range presence sensor. That saves battery life. #HomeAssistant #HomeAutomation

Replied to Lucas Janin 🇨🇦🇫🇷
Benny

@lucas3d I‘m using the „Waveshare Human Micro-Motion Detection MmWave Sensor“, which should be good to detect non-moving persons.
The idea is to detect if my kid is after the first alarm ⏰ in the morning still in his bed, to trigger a second alarm 🚨

I‘m already using the „everything presence lite“ #mmWave Sensor in his room, but this one is better for zone detection and not so good for micro motion.

Replied in thread
David J. Atkinson

@bus_factor Some of the #mmWave (Radar) Presence sensors may be able to detect bed presence through the mattress, mounted under frame. I have not tried this yet but I’ve been planning to. The Aqara FP-1 or Aqara FP-2 are candidates, but maybe too pricey for an experiment. The Apollo MTR-1 is far less expensive and excellent for short range. It is also small and with a sturdy enclosure you could easily place it between and mattress. These sensors can pick up very small motions, even the human heartbeat (sometimes through walls). I use both Aqara (easier set up) and Apollo MTR-1 for room and zone presence detection, with #HomeAssistant for integrated automation.

Continued thread
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Bodo Menke

Why did I decide to ditch traditional PIR movement detection and move to 60 GHz radar-based presence detection? Because battery-powered PIR are pain in the ass. I tried various zWave and Zigbee devices over a time-span of 10 yrs. They all suck - earlier or later.
Latest developments:
community.home-assistant.io/t/
#PIR #Zigbee #ZHA #PhilipsHUE #Hue #zWave #Fibaro #Radar #mmWave #FMCW #UWB #PresenceDetection
#HomeAssistant… (3/4)

Home Assistant Community · HA Yellow + ZHA + Philips HUE Motion: Constantly loosing connection (unavailable)Thanks Jack. Low battery state is something I thought about already and ruled out as the root cause: All respective sensors received fresh batteries and the problem still occurred. Changing the affected sensors with non-affected (from other places in the house) seems like an idea, but honestly: What is the probability that four sensors (bought at different times, i.e. most likely not the same batch) start at the very same time to cause trouble because of a sensor intrinsic reason? 😉 Anyh...
Continued thread
Bodo Menke

Interested in radar and what it can do for you? Here is a nice overview from an automotive perspective on what FMCW can do vs UWB.
FYI: UWB, used in iPhone since a while for precision finding, is a similar technology, but with a lower frequency.
#PIR #Radar #mmWave #FMCW #UWB #PresenceDetection
#HomeAssistant
novelic.com/blog/60-ghz-fmcw-r (2/4)

NOVELICA Comparison of 60 GHz FMCW Radar vs UWB for In-Cabin Monitoring60 GHz FMCW Radar vs UWB - which technology is the optimal solution for automotive applications, such as in-cabin monitoring?
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Bodo Menke

I am done with PIR. Radar is so much (!!) better!

After struggling with my Zigbee-based Passive Infrared sensors (PIR), I decided to move my 2 yrs proof of concept with radar-based presence detection into production. It is like a time-warp!
Monitoring a 60sqm area with only one (!) sensor and a precision of centimeters! It is a blast for adaptive lighting. Light follows movement! So much creativity. So much fun! 🤩
#PIR #Radar #mmWave #FMCW #UWB #PresenceDetection
#HomeAssistant… (1/4)

Krzysztof Kołacz

Dlaczego czip Apple C1 nie obsługuje mmWave 5G?

Apple zrezygnowało z obsługi mmWave 5G w pierwszej wersji modemu C1 ze względu na oszczędność energii.

Mimo że technicznie nie jest to trudne, stabilna wydajność przy niskim poborze mocy stanowi wyzwanie.

Czip Apple C1, który powstawał przez lata, obsługuje wiele standardów sieciowych, ale Apple musiało pójść na kompromis – oprócz braku mmWave 5G, ograniczono też obsługę Wi-Fi do wersji 6 zamiast 7.

Analityk Ming-Chi Kuo twierdzi, że Apple pracuje nad nową wersją C1, która ma trafić do produkcji w przyszłym roku i zapewnić lepszą efektywność energetyczną, szybszą transmisję oraz obsługę mmWave 5G.

#AppleC1#iPhone16E#mmWave
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