Banana Pi BPI-UNO32 with ESP32 for Webduino, Arduino

The BPI-UNO32 is equipped with the ESP-WROOM-32 from Espressif Systems as its MCU. The ESP32 is a single-chip solution featuring 2.4 GHz Wi-Fi and Bluetooth connectivity. TSMC's 40-nanometer technology provides excellent values in terms of power consumption, RF performance, stability, versatility, and reliability, making it suitable for a wide range of application scenarios.

It has two separately controlled CPU cores, with a maximum clock frequency of up to 240 MHz, as well as 448 KB of ROM and 520 KB of SRAM.

The size corresponds to the Arduino UNO R3.

The BPI-UNO32 can be powered via microUSB or a 5.5 mm DC power adapter and features an automatic switching circuit.

CPU: Xtensa(R) 32-bit LX6 Single/Dual-Core Processor

ROM: 448 KB

SRAM: 520 KB

Flash: 4 MB integrated, up to 4 Flash/SRAM, each Flash maximum 6 MB

Power Supply: 5 V (at 1 A) microUSB or 5.5 mm, 12 V DC port

GPIO: 12-bit SAR ADC 18 channels, 2x 8-bit D/A converters, 4x SPI, 2x I2S, 2x I2C, 3x UART, Host SD/eMMC/SDIO, Slave SDIO/SPI

Wi-Fi: 802.11b/g/n/e/i 802.11n (2.4 GHz 150 Mbps) 802.11e (Quality of Service)

Bluetooth: BT 4.2 and BLE

Buzzer: Passive Buzzer

LEDs: RGB LED/POWER LED/Receive LED/Transmit LED

Size: 68 mm x 53 mm.