FireBeetle 2 ESP32-E, specially designed for IoT, is an ESP-WROOM-32E-based main controller board with dual-core chips. It supports WiFi and Bluetooth dual-mode communication and features a small size, ultra-low power consumption, on-board charging circuit, and easy-to-use interface, which can be conveniently used for smart home IoT, industrial IoT applications, and wearable devices, and so on. You can easily create your own IoT smart home system when connecting it with an IoT platform like IFTTT.

Features:

·       ESP32 Dual-core low power main controller, 10uA power consumption

·       WiFi+Bluetooth 4.0 Dual-mode Module

·       GDI Display Port, easy to connect

·       Onboard Charging Circuit and PH2.0 lithium Battery Interface

Specifications:

·       Operating Voltage: 3.3V

·       Input Voltage: 3.3V~5.5V

·       Support Low-Power: 2mA

·       Max Discharge Current: 600mA@3.3V LDO

·       Max Charge Current: 500mA

·       Support USB Charging

·       Processor: Tensilica LX6 dual-core processor (One for high-speed connection; one for independent application development)

·       Main Frequency: 240MHz

·       SRAM: 520KB

·       Flash: 32Mbit

·       Wi-Fi Standard: FCC/CE/TELEC/KCC

·       Wi-Fi Protocol: 802.11 b/g/n/d/e/i/k/r (802.11n，speed up to 150 Mbps), A-MPDU and A-MSDU Aggregation, support 0.4us guard interval)

·       Frequency Range: 2.4~2.5 GHz

·       Bluetooth Protocol: Bluetooth v4.2 BR/EDR and BLE standard compliant

·       Bluetooth Audio: CVSD and SBC audio

·       Operating Current: 80mA（Average）

·       Support Arduino download with one-key

·       On-chip Clock: 40MHz crystal, 32.768KHz crystal

·       Digital I/O x10（Arduino default）

·       Analog Input x5（Arduino default）

·       SPI x1（Arduino Default）

·       IIC x1（Arduino Default）

·       I2S x1（Arduino Default）

·       RGB_LED: 5/D8

·       Connector: FireBeetle V2 series compatible

·       Operating Temperature: -40℃~+85℃

·       Module Size: 25.4×60mm/1×2.36”

·       Mount Hole Size: inner diameter of 2.0mm

Projects

1. Project: Make a Home-made Network Clock with ESP32-E