ESP32-DevKitC-32E (Espressif)

Official Espressif ESP32 development board — dual-core Xtensa LX6 @ 240 MHz, 520KB SRAM, integrated 2.4GHz Wi-Fi + BLE, 38 pins broken out. The reference design every ESP32 tutorial uses.

Manufacturer part: ESP32-DEVKITC-32E