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#uwb

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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...
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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)

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UNWIRE.HK

AirTag 2 最新傳聞 配備第二代 UWB 晶片追蹤範圍更遠
我們過往報導過不少 AirTag 追蹤配件，協助用戶尋回失物或將偷走貴重物件賊人繩之於法的事件。AirTag 自推出以來，一直是 iPhone 用戶追蹤物品、寵物或行李的最佳配件。最近有消息指 Apple 正在開發 AirTag 的第二代，將會在在追蹤範圍上有重大提升。
The post AirTag 2 最新傳聞 配備第二代 UWB 晶片追蹤範圍更遠 appeared first on 香港 unwire.hk 玩生活．樂科技.
#科技新聞 #AirTag 2 #Apple #UWB
unwire.hk/2024/12/17/airtag-2-

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