<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>buzzer on</title><link>https://omarghader.github.io/tags/buzzer/</link><description>Recent content in buzzer on</description><generator>Hugo -- gohugo.io</generator><language>en-US</language><lastBuildDate>Tue, 14 Jul 2026 00:00:00 +0000</lastBuildDate><atom:link href="https://omarghader.github.io/tags/buzzer/index.xml" rel="self" type="application/rss+xml"/><item><title>ESP32 Weather Station Alert: DIY Touchless Alarm System with Infrared Obstacle Avoidance</title><link>https://omarghader.github.io/esp32-touchless-alarm-weather-station/</link><pubDate>Tue, 14 Jul 2026 00:00:00 +0000</pubDate><guid>https://omarghader.github.io/esp32-touchless-alarm-weather-station/</guid><description>Last winter, right after I had finally fine‑tuned my home‑brewed ESP32 weather station, our cat discovered the temperature sensor dangled from the windowsill and treated it as a feline punching bag. Within a week the outdoor humidity reading was permanently stuck at 99%—not because of a monsoon, but because the sensor had been batted onto the muddy ground one time too many.
I needed a way to know when something (or someone) got within paw‑swiping range of my weather kit, without turning the project into a tripwire‑laden fortress.</description></item></channel></rss>