ESP32

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Not all ESP32 boards are the same, and picking the wrong one wastes weeks of your project time

Look for the wireless capability you need, not the name on the board

A person holding a joystick sensor with an ESP32
5 ESP32 projects that punch way above their weight

These projects are simple, cheap, and highly useful

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Home Assistant doesn't protect your ESP32 devices from the internet, and most users don't realize it

If you're not careful, your DIY ESP32 devices could make your smart home more vulnerable

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This ESP32 alarm clock comes complete with a built-in night light and wake-up light

It also looks the part.

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You, too, can make this cool ESP32 3D-printable lamp that looks great in any room

There's an even bigger version on the way.

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Someone made a fire-powered ESP32 computer, and it's a steampunk enthusiast's dream

Coding away by candlelight.

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This 3D-printable ESP32 robot acts as a physical body for your AI agent, thinking and typing alongside it

It even has a little bell it can ring once it's done.

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This open-source ESP32 touch synth just got a massive upgrade, and it's only €35 to make

Music at your literal fingertips.

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This $10 ESP32 screen replaced my OPNsense web UI and sits on my desk instead of in the garage

It takes a few minutes to get it all working.

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A person holding a BME280 connected to an ESP32
AI is right about ESP32 pins two-thirds of the time, and that's worse than always being wrong

You can use a cloud LLM to help with your microcontrollers, but it gets kind of weird with the ESP32.

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This ESP32-powered WLED matrix mirrors your movements on a colorful RGB screen

The perfect addition to any disco.

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Someone wired up seven ESP32s to create a ~0.4B LLM, and so can you

Why run an LLM off one board when you can run it off several?

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Hermes Display on the ESP32, controlled by Telegram
I connected a local LLM to a $30 ESP32 display, and it designs a new screen for every question I ask

This rotary display can show whatever I want it to, and it's all thanks to Hermes Agent.

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An old phone charging next to an ESP32 board and a relay module
An old phone beats a Raspberry Pi for everything except the one thing that matters

Server or microcontroller — pick before you build.

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A screenshot of a video about an ESP32-powered Game Boy project
This ESP32-powered Game Boy streams games straight to your phone's browser

You, too, can build this fun project.

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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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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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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

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