ESP32 Microcontrollers
Versatile Connected Hardware For DIY Automations, Sensors & Custom Smart Home Builds
ESP32 microcontrollers are compact development boards that combine processing power with wireless connectivity, making them ideal for building custom smart home devices. They can run sensors, relays, displays, motors, and automation logic with support from platforms like ESPHome, Home Assistant, and Arduino.
Whether you are creating your own switches, dashboards, environmental sensors, or firmware-based automations, the ESP32 offers a flexible foundation that fits a wide range of DIY applications throughout your home.
Built-In Wi-Fi & Bluetooth Connectivity
The ESP32 includes integrated Wi-Fi and Bluetooth radios, making it easy to connect custom devices to your smart home network without extra modules.
Powerful Dual-Core Processing
Its multicore design allows you to run sensors, control logic, and communication protocols simultaneously with smooth, reliable performance.
Supports ESPHome, Arduino & Other Frameworks
You can program the ESP32 through ESPHome for easy Home Assistant integration or use Arduino IDE for full custom firmware development.
Flexible I/O For Sensors & Actuators
With digital and analog pins, the ESP32 can interface with relays, displays, motors, environmental sensors, and many other components.
Energy-Efficient Operation With Sleep Modes
Low-power features and sleep states allow ESP32-based devices to run efficiently, even when powered by batteries or solar setups.
All ESP32 Microcontrollers
Frequently Asked Questions
What is an ESP32?
The ESP32 is a Wi-Fi and Bluetooth-enabled microcontroller used for custom electronics and DIY smart home projects.
Can I use an ESP32 with Home Assistant?
Yes. When flashed with ESPHome or compatible firmware, ESP32 devices integrate directly with Home Assistant for sensors, relays, and automations.
What can I build with an ESP32?
You can build sensors, switches, dashboards, touch panels, relays, motor controllers, and many other custom smart home devices.
Is the ESP32 suitable for battery-powered projects?
Yes. Its low-power modes help reduce energy consumption, making it a good fit for battery-powered or solar-powered builds.
Do I need special hardware to program an ESP32?
Most ESP32 boards are programmed with a USB cable using ESPHome, Arduino IDE, or other frameworks, making setup simple for beginners.