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ESP32

WiFi microcontroller

Released 2016

The IoT maker community's most-used board: built-in WiFi and Bluetooth, two cores at 240 MHz and dozens of GPIOs. The natural starting point to put any sensor online.

Chip Espressif ESP32 (Xtensa LX6, 2 cores)

Clock up to 240 MHz

Memory 520 KB SRAM · 4 MB flash (WROOM-32)

Connectivity WiFi 2.4 GHz (b/g/n) · Bluetooth Classic + BLE

GPIO ~34 (ADC, DAC, touch, PWM, I²C/SPI/UART)

Logic level 3.3 V

Programmed in Arduino IDE (C++) · ESP-IDF · MicroPython

Sensors that pair well

Air temperature Air humidity CO₂ Motion (PIR)Distance Light level

⚡ Generate my code View pinout ↗

source: Random Nerd Tutorials · Espressif datasheet ↗