Description
The ESP32 is what you reach for when a project needs to talk to something else. WiFi and Bluetooth are on the chip, there are two processor cores to work with, and it programs from the same Arduino IDE most people already have open — or from MicroPython.
Key features
- WiFi and Bluetooth built in no extra radio module needed
- Dual-core processor run networking and control logic side by side
- Rich GPIO plenty of pins for sensors, displays and drivers
- Arduino IDE and MicroPython program it either way
- Low-power modes practical for battery-powered devices
- Compact form factor fits a breadboard, fits a project box
Learning resources
Programming: Arduino IDE, MicroPython, C/C++
Tutorial languages: English
Specifications
| Specification | Detail |
|---|---|
| SKU | MCU-ESP32 |
| Microcontroller | ESP32, dual core |
| Wireless | WiFi and Bluetooth |
| Programming | Arduino IDE, MicroPython |
| Connection | USB |
| Best for | IoT, home automation, connected robotics |
Frequently Asked Questions
How is this different from an Arduino Uno?
The ESP32 has WiFi and Bluetooth on board and a faster dual-core processor. The Uno has neither, but has a larger ecosystem of shields and course material. Pick the ESP32 when the project needs to connect.
Can I program it with the Arduino IDE?
Yes — add the ESP32 board package and it works like any other board. MicroPython is also supported.
Is it 3.3 V or 5 V?
The ESP32 runs at 3.3 V logic. Check sensor levels before wiring 5 V modules directly to its pins.
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