ESP32 is a series of low-cost, low-power system-on-chip microcontrollers with integrated Wi-Fi and dual-mode Bluetooth.

ESP32 is created and developed by Espressif Systems, a Chinese company based in Shanghai, and is manufactured by TSMC using their 40 nm process.

Features of the ESP32 include the following:[3] Since the release of the original ESP32, a number of variants have been introduced and announced.

ESP32 is housed in quad-flat no-leads (QFN) packages of varying sizes with 49 pads.

The ESP32 PICO system in package modules combine an ESP32 silicon chip, crystal oscillator, flash memory chip, filter capacitors, and RF matching links into a single 7 mm × 7 mm sized QFN package.