Features:

• the ESP32 is a WiFi-compatible microcontroller but adds nearly 30 I/O pins.
• Dual-core Tensilica LX6 microprocessor
• Up to 240MHz clock frequency
• 520kB internal SRAM
• Integrated 802.11 BGN WiFi transceiver
• 3.0 to 3.6V operating range
• 2.5 µA sleep current under hibernation
• 28 GPIO
• 10-electrode capacitive touch support
• Hardware accelerated encryption (AES, SHA2, ECC, RSA-4096)
• 4MB Flash memory
• Integrated LiPo Battery Charger