FireBeetle ESP32 IoT Microcontroller (DFR0478)
Low-power IoT board (29×58 mm) with ESP32 dual-core Tensilica LX6 at 240 MHz, 520 KB SRAM, 16 MB flash, 802.11b/g/n Wi-Fi, Bluetooth 4.2, and a deep-sleep current of 10 µA. Exposes 10 digital and 5 analog pins, I2C, SPI, UART, I2S, and a microSD slot; operates from 3.3–5 V.
Pinout
- IO3 / RXD / D0
Arduino D0 / serial RX; connects to ESP32 IO3
Type · digital - IO1 / TXD / D1
Arduino D1 / serial TX; connects to ESP32 IO1
Type · digital - IO25 / D2
GPIO digital I/O and PWM output; connects to ESP32 IO25
Type · digital - IO26 / D3
GPIO digital I/O and PWM output; connects to ESP32 IO26
Type · digital - IO27 / D4
GPIO digital I/O and PWM output; connects to ESP32 IO27
Type · digital - IO9 / D5
GPIO digital I/O and PWM output; connects to ESP32 IO9
ESP32
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