ESP32

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A person holding ESP32 microcontrollers and a Raspberry Pi
Your smart home needs fewer Raspberry Pis and more boring microcontrollers

Microcontrollers are surprisingly useful for Home Assistant projects

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Claude Desk Buddy ported to the WT32-SC01 Plus, showing the current time and date with A and B buttons
I tried Anthropic's open-source desk pet on an ESP32, and it fixes the most annoying thing about Claude

Anthropic open-sourced a cool desk pet project, so I ported it to the WT32-SC01 Plus.

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esp32-app-store-featured
Someone created an ESP32 app store, and it lets you flash apps straight from your browser

More apps are on the way.

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Photo of ESP32 running adblocker connected directly to a router
Your home network doesn't need Pi-hole — an $8 ESP32 blocks ads just as well for a fraction of the cost

Tiny board can do the task.

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Using ESP32 with ESPConnect
I manage my ESP32 boards with this free self-hosted tool

And no, it's not ESPHome

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esp32-fortune-teller-featured
You, too, can build this ESP32 ePaper device that tells your fortune

It can roll dice, too.

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wall-e-esp32-featured
Someone built a fully motorized Lego WALL-E controlled by a PS4 controller, complete with a built-in taser

It even has controls to move its head.

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WT32 SC01 Plus ESP32-based display showing Chromecast remote controls on the screen
I replaced my Google TV remote with a $25 ESP32 display, and it controls Home Assistant too

I made my own Google TV remote with an ESP32, and it's better than the actual remote.

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altoids-computer-featured
This Altoids tin ESP32 computer comes with a keyboard, and yes, it runs DOOM

It also runs a lot more.

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Elecrow CrowPanel Advance 3.5 with Meshtastic
This $35 ESP32 touchscreen makes Meshtastic feel less like a commitment, and you still get a great display if it doesn't stick

One day it's for Meshtastic, the next it's an ESP32-powered display.

Building a presence sensor with ESP32-C6 in ESPHome
I cut Apple and Google out of my smart home with a $5 ESP32, and it was easier than I expected

Thread, locally done right

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esp32-easy-pomo-featured
You, too, can make this easy ESP32 clock with Pomodoro timers

Flashing it takes less than a minute.

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esp32-shower-featured
This ESP32 project replaces a leaking shower head with a live temperature display that glows from blue to red

No more sheepishly putting a hand under the water to test it yourself.

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ESP-NOW connecting three ESP32 CYDs, demonstrating the three body problem
I built a distributed computer with three cheap ESP32 boards using a feature most people ignore

ESP-NOW is a fun protocol, and you can use it to do all kinds of things.

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This ESP32 device running ESPHome operates my smart home silently
Retrofitting old appliances is the smart home upgrade that actually makes sense

Bring back dumb devices!

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split-flip-chess-featured
This ESP32-powered split-flap chess board is the coolest way to play the classic game

Also the loudest.

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esp32-credit-card-computer-featured
Someone made a literal credit card-sized ESP32 computer, and so can you

Finding a use-case for it can come later.

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esp32-sonar-featured
Someone built a full 360° sonar on an ESP32, and the code is simpler than you'd think

Making the 'ping' noises with your mouth is optional.

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A Raspberry Pi and an ESP32
Your smart home needs both an ESP32 and Raspberry Pi 5, not one or the other

Don't pick one; use them together

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ESP-Claw running on the Elecrow CrowPanel Advance ESP32-P4, showing the chat in Telegram on an Android phone beside it
I ran Espressif's OpenClaw-inspired AI agent on an ESP32 with my self-hosted LLM, and it actually works

ESP-Claw turns your ESP32 into a full fledged AI agent, with web search and Telegram support.

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