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fuxinsuo2d ago • 4 min read
Feeding a PLC From a 60 GHz Fall Module: GP1 as an Opto-Isolated Dry Contact
PLCs and building-management systems in care homes and commercial buildings do not speak MQTT or...
#mmwave#radar#gpio#plc
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fuxinsuo2d ago • 5 min read
Occupancy Lighting and HVAC From a 24 GHz Radar Module: Switching a Relay With S1, No Gateway
The 24 GHz presence module (R24AVD1) reports whether a space is occupied as a single logic pin: S1.....
#mmwave#radar#gpio#occupancy
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fuxinsuo6d ago • 4 min read
Three Ways mmWave Fall Detection Goes Wrong (and Why 'Detects Falls' Is Not a Spec)
title: "Three Ways mmWave Fall Detection Goes Wrong (and Why 'Detects Falls' Is Not a Spec)" tags:.....
#mmwave#radar
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fuxinsuo2d ago • 4 min read
Local Fall Alarm From a 60 GHz Radar Module: Driving a Relay and Buzzer From GP1, No Firmware
The 60 GHz fall-detection module (R60AFD1-V) already decides, on its own, whether a person has...
#mmwave#radar#gpio#relay
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fuxinsuo2d ago • 3 min read
A Minimal Runnable UART Parser for the SIP-S V1.0 Radar Protocol (Python)
The SIP-S V1.0 serial protocol is what the 60 GHz / 24 GHz modules stream over UART at 115200 / 8N1....
#mmwave#radar#uart#parser
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fuxinsuo1d ago • 5 min read
R60ABD1 Sleep & Breathing Radar + ESP32-S3-WROOM-1: Parse SIP-S Frames and Publish to MQTT
The R60ABD1 is a 60 GHz sleep and breathing radar module. It reports presence, breathing rate, sleep...
#mmwave#radar#esp32#mqtt
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fuxinsuo6d ago • 6 min read
How to Set Up Your mmWave Radar: MQTT and Wi-Fi Configuration
After receiving the radar, two things must be configured before it can send data: the MQTT connectio...
#mmwave#radar#mqtt#setup
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fuxinsuo5d ago • 7 min read
Two Architectures, Two Protocols: MQTT vs UART on mmWave Radar
The most common reason a radar "does not work" is not a defect. It is that the buyer followed the wr...
#mmwave#radar#mqtt#uart
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fuxinsuo5d ago • 4 min read
mmWave Radar vs. a Camera: What Each One Actually Measures
The first question we get asked about indoor sensing is almost always the same: why not just use a c...
#mmwave#radar#camera#privacy
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fuxinsuo1d ago • 5 min read
Run Your Own MQTT Broker for 60GHz Radar: An Apache Artemis Setup Guide
Stand up Apache Artemis as the MQTT broker your mmWave radars, ESP32 gateway, and Home Assistant all...
#mqtt#iot#radar#selfhosted
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fuxinsuo6d ago • 6 min read
Bathroom Version or Bedroom Version? Why One Fall Radar Cannot Cover Both
A fall detection radar is built to answer one question: has the person in this room ended up on the ...
#mmwave#radar#fall#elderly
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fuxinsuo6d ago • 8 min read
Why the Same Fall Radar Behaves Differently in a Bathroom and an Open Office
A customer mounts a fall detection radar in an office corner, walks around, lies down on the floor, ...
#mmwave#radar#fall#bathroom
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fuxinsuo2d ago • 4 min read
60 GHz / 24 GHz Radar Module BringUp Checklist: Power, UART, Mounting, First Good Frame
A field checklist to get a module outputting good data on the first try. It covers the R60AFD1-V (60...
#mmwave#radar#bringup#gpio
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fuxinsuo5d ago • 11 min read
Ghost Targets and Glass Walls: Multipath Interference in Home Radar Care
Why multipath reflections and clutter make people-counting and fall detection unreliable in home rad...
#mmwave#radar#elderlycare#iot
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fuxinsuo5d ago • 8 min read
Real Demand, Hard Physics: Fall Detection Has Learned to Ignore the Toilet
Why elderly fall alarms are a real need, why four bathroom scenes (toilet, shower, appliances, wind-...
#mmwave#radar#elderlycare#fall
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fuxinsuo6d ago • 6 min read
Three mmWave Radar Specs That Are Almost Always Exaggerated
Anyone who has compared millimeter wave radar quotations has seen the same thing. A spreadsheet arri...
#mmwave#radar#specification#sensor
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fuxinsuo3d ago • 4 min read
GPIO vs UART: Get a Fall Alarm Without Writing a Parser
This is the shortest possible entry point to our 60 GHz fall-detection module. You can get a fall...
#mmwave#radar#gpio#uart
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fuxinsuo6d ago • 7 min read
Why Fall Detection Is Harder Than It Looks: Three Failure Modes
Fall detection is one of the most requested features in elderly care sensing, and one of the least s...
#mmwave#radar#fall#safety
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fuxinsuo6d ago • 6 min read
Why mmWave Radar Takes Seconds to Respond
A common question from new users is why the radar feels slow. Breathing rate takes a while to settle...
#mmwave#radar#latency#sensor
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fuxinsuo5d ago • 5 min read
Where mmWave Radar Is Used: From Parking Spaces to Oil Tanks
When most people first hear about 60 GHz mmWave radar, they picture one thing: a small module mounte...
#mmwave#radar#iot#sensors
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fuxinsuo6d ago • 6 min read
How mmWave Radar Works: From FMCW to Breathing Detection
Millimeter wave radar detects human presence, breathing, heart rate, body movement, and sleep stages...
#mmwave#radar#fmcw#sensor
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fuxinsuo1d ago • 5 min read
Building an Aging-in-Place Care System with Three 60GHz Radars: Fall, Sleep, Presence
A reference architecture for aging-in-place: how fall, sleep, and presence 60GHz radars share one MQ...
#iot#radar#mqtt#a11y
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fuxinsuo5d ago • 8 min read
Building a Sleep Product? What Rings, Watches, mmWave Radar Modules, and Infrared Actually Measure
A plain-language comparison of the four ways to sense sleep — rings, watches, mmWave radar modules, ...
#mmwave#radar#sleep#wearable
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fuxinsuo4d ago • 4 min read
TOF + mmWave Radar Fusion: Why Senior-Care Accuracy Is Genuinely Higher
Time-of-Flight depth sensing and mmWave radar fail in different places and cover each other's blind ...
#tof#mmwave#radar#fusion
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