ESP32

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Zigbee Airspace on a display showing incoming Zigbee frames
I built a Zigbee sniffer on a $60 ESP32 screen, and now I can watch my smart home talk to itself

It's pretty cool to see my network streaming in real time.

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A person holding an ESP32
Claude Code taught me ESP32 development, and my smart home projects got way faster

I didn't think I could use Claude code for this, but it worked

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six-esp32-server-featured
You, too, can make this web server that runs off six ESP32s working together

It has its own fallback system built in.

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Someone turned old analog gauges into real-time PC monitors using an ESP32

Some excellent retro vibes made from discarded gauges.

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Two ESP32-based Bluetooth proxies in front of a laptop with Home Assistant dashboard
5 useful ESP32 projects that work perfectly without the internet

These projects can stay completely offline while delivering the goods

ESP32 Cheap Yellow Display showing light controls, the time, and the temperature
5 ESP32 projects anyone can build with the Cheap Yellow Display

The CYD is great for beginners who want to create powerful but accessible projects

A person holding a BME280 connected to an ESP32
I built a cheap ESP32 weather station to automate my Home Assistant server

My Home Assistant automations no longer rely on online services for my temperature-based automations

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A person holding an ESP32 microcontroller
4 simple ESP32 projects you can build without any sensors

Not all ESP32 projects need to involve extra sensors or circuit components

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This ESP32 handheld is a retro emulator, FM synth, and Guitar Hero clone controller all in one

Three things are better than one.

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ESP32-C6 connected to a motion sensor
Your first ESP32 project shouldn't be a weather station — it should be a box of 30 random sensors

The ESP32 can be daunting at first, but a weather station to start off with is a rookie mistake.

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esp32-synthesizer-featured
Someone turned their ESP32 into a touch-activated polyphonic synthesizer

And you can too, soon enough.

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Wi-Fi and Bluetooth on ESP32-S3
This ESP32-S3 build lets you monitor overhead flights and space launches from your desk

It looks great, too.

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reTerminal Sticky showing the home screen
This $50 ESP32 fridge magnet takes voice notes, but the best part is the app platform underneath

The reTerminal Sticky is my new favorite ESP32-based device, and for good reason.

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microblocks-robot-featured
After five years of work, these ESP32 robots you can program in real time are ready for you to build

They're also really cute.

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WT32 SC01 Plus showing inbound flights to Dublin Airport
I built my own plane radar on a $20 ESP32 display, and I haven't opened Flightradar24 since

It's a great little project for watching the skies above me.

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Using ESP32 as a VPN gateway for home lab
Your first ESP32 project doesn't require coding — it just needs 3 simple tools and one afternoon

Anyone can get started with ESP32, thanks to a few simple tools

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This ESP32 e-ink project helps you start your day right, and it requires zero code to set up

Everything you need at a glance.

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A person holding an ESP32-CAM board
My homemade ESP32 attic security camera beats Ring on price, privacy, and control

Even though it's not as high resolution as a Ring camera privacy

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This project turns ESP32-S3 into a hardware hacking and debugging tool
This ESP32 project does what a $300 hardware analysis tool does, and it costs almost nothing

One firmware for every bus on your workbench

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This $40 ESP32-S3 AMOLED map shows where you are without an internet connection

It's still a WIP, but it's planned to go open-source eventually.

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