ESP32 D1 Mini CH9102

*These are the controllers used on the Tetra2Go 1.X

Features

• PCB-mounted antenna
• 240MHz Dual-Core Processor
• Wi-Fi + Bluetooth 4.0 + BLE module
• 4MB (32Mbit) Flash Memory
• Onboard USB Type-C connector
• SoC: ESP32 FCC certified Wi-Fi and Bluetooth module (ESP-WROOM-32 Module)
• USB-to-Serial: Ch9102 USB to UART Bridge
• GPIO: 3×UART, 3×SPI, 2×I2S, 18×ADC input channels, 2×DAC output channels, 2×I2C, PWM/timer input/output available on every GPIO pin, OpenOCD debug interface, SDIO master/slave (50 MHz), external SPI flash (up to 16MB), and SD-card interface support
• Size: 39mm × 31mm
• Voltage Reg.: RT9013 500mA LDO
• Power Input: 3.0~5.5VDC