FireBeetle 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 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, wearable devices and so on. You can easily create your own IoT smart home system when connecting it with an IoT platform like IFTTT.
Specification 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: 4MB 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