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ESP32

What can you build with ESP32?

Explore watches, displays, robots, controllers and sensors. Compare the assessed builds, then follow the sources for projects still awaiting review.

FULL ASSESSMENTS

Already assessed

12
Clawd Mochi
ElectronicsClawd Mochi

A small ESP32-C3 desk companion with animated faces, web controls and a published low-cost parts list.

Parts / build cost$7–8Time~1 hour
DifficultyAI help
BUILD IT
AI-on-the-edge-device
Home & automationAI-on-the-edge-device

An ESP32-CAM project that reads existing water, gas or electricity meters and publishes the readings digitally.

Parts / build costVariesTimeVaries
DifficultyAI help
BUILD IT
Sesame Robot
RoboticsSesame Robot

A printable ESP32 quadruped using eight servos, an expressive OLED face and open animation/control software.

Parts / build cost$50–60TimeWeekend+
DifficultyAI help
WORTH CONSIDERING
Split-Flap Display
ElectronicsSplit-Flap Display

A modular ESP32-based split-flap display designed to scale from a single character to large installations.

Parts / build costScale-dependentTimeMulti-day
DifficultyAI help
BUILD FOR THE EXPERIENCE
VerhoBot
Home & automationVerhoBot

A compact ESP32 curtain robot built to automate an existing curtain rail without ropes or pulleys.

Parts / build costNot publishedTimeNot published
DifficultyAI help
WORTH CONSIDERING
OpenBot DIY components from the official build guide
RoboticsOpenBot DIY

An open wheeled robot that reuses a smartphone for camera, compute and higher-level robotics while an Arduino Nano or ESP32 handles the motors and low-level sensors.

Parts / build costThe current project still describes the DIY robot body as about $50. A third-party BOM with links checked in August 2026 estimates roughly $50 to $80 before the phone and fabrication access.TimeNot published. Treat printing, electronics assembly, firmware/app setup and physical testing as separate stages rather than a single quick build.
DifficultyAI help
BUILD IT
Creator thumbnail showing the three-axis camera slider
Photography & videoESP32 3-Axis Camera Slider

A current open pan, tilt and slide camera rig using an ESP32 web interface, stepper motors and a fabrication-heavy mix of printed and machined parts.

Parts / build costNo source total. CAIBI estimates roughly £110–£190 / $150–$260 for the commodity core hardware before custom metal fabrication, printing and some driver-specific power parts.TimeMulti-stage. The source does not publish a total build time.
DifficultyAI help
WORTH CONSIDERING
Source tutorial illustration; physical build photograph unverified
ElectronicsTellaprompter

A compact ESP32 touchscreen teleprompter with touch speed control, a physical pause button and a printable monitor mount.

Parts / build costNot publishedTime1.5 hours
DifficultyAI help
BUILD IT
Creator tutorial thumbnail showing the morning printer
Home & automationMorning Thermal Printer

An ESP32 desk printer that turns weather and calendar data into a short physical morning briefing on receipt paper.

Parts / build costNot publishedTime45 minutes
DifficultyAI help
BUILD IT
Source tutorial illustration; physical build photograph unverified
Science & measurementESP32 Air Quality Monitor

A small ESP32 instrument showing temperature, humidity, pressure and a comfort label on an OLED display.

Parts / build costNot publishedTime25 minutes
DifficultyAI help
BUILD IT
Watchy
WearablesWatchy

A fully open-source ESP32-S3 e-paper watch sold as a small assembly kit and designed to be reprogrammed, modified and recased.

Parts / build cost£45.49 UK / $59 USTime~1 hour assembly and setup
DifficultyAI help
BUILD FOR THE EXPERIENCE
SmartKnob
Creative toolsSmartKnob

An open haptic control knob that uses a brushless gimbal motor and magnetic encoder to create software-defined detents, endstops, springs and other tactile behaviours.

Parts / build costNo stable complete build price publishedTimeTime-consuming advanced build
DifficultyAI help
BUILD FOR THE EXPERIENCE
DISCOVER

What kind of ESP32 thing?

20 more sources
ESP32 RADAR

Everything currently found

Open Smartwatch
REVIEWED SOURCEWearables

Open Smartwatch

The selected Light hardware repository has not been pushed since 2021 and its own README says the hardware is still in development and not ready for release. The Open Smartwatch OS repository remains active in 2026, but active software alone does not establish a current supported hardware build route.

ESPHome Devices
FOUNDHome & automation

ESPHome Devices

Broad ESP32 device ecosystem that deserves its own discovery treatment rather than a single project card.