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朱连兴

Building AnNest - a WiFi-sensing safety display for parents living alone. No camera, no wearable, nothing to charge. See it live: annest.cn/live/

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Recalibrating a room-level sensor when the furniture moves
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Recalibrating a room-level sensor when the furniture moves

#showdev #iot #wifi #firmware
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2 min read
Why the dashboard is a web page and not an app
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Why the dashboard is a web page and not an app

#showdev #webdev #iot #architecture
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3 min read
Guests, pets, and what a room-level presence display cannot tell you
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Guests, pets, and what a room-level presence display cannot tell you

#discuss #iot #wifi #product
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3 min read
Router placement, wall materials, and the two range numbers we publish
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Router placement, wall materials, and the two range numbers we publish

#showdev #iot #wifi #hardware
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2 min read
What a 499 CNY sensing node costs to build, and where we refused to save
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What a 499 CNY sensing node costs to build, and where we refused to save

#hardware #iot #product #business
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3 min read
30 days of WiFi sensing in one apartment: what made us stop trusting 'no one home'
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30 days of WiFi sensing in one apartment: what made us stop trusting 'no one home'

#iot #data #design #privacy
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2 min read
Reading a golf swing from a 9-axis IMU on a TV box: the calibration notes that actually mattered
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Reading a golf swing from a 9-axis IMU on a TV box: the calibration notes that actually mattered

#iot #embedded #hardware #javascript
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2 min read
Email addresses as agent identity: giving every AI agent its own inbox
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Email addresses as agent identity: giving every AI agent its own inbox

#ai #architecture #api #security
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3 min read
Designing an honest status screen: four states, including 'we lost the signal'
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Designing an honest status screen: four states, including 'we lost the signal'

#design #ux #productivity #iot
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2 min read
Shipping a 1 Hz live dashboard from a real apartment: the boring parts
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Shipping a 1 Hz live dashboard from a real apartment: the boring parts

#webdev #javascript #iot #performance
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3 min read
A presence display for a parent living alone, built on Wi-Fi signal disturbance
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A presence display for a parent living alone, built on Wi-Fi signal disturbance

#iot #privacy #hardware #design
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3 min read
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