Espressif ESP32 User Manual

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Appendix I
I. Appendix - Install a UART
Driver on ESP-Launcher
Use a micro-USB cable to connect the ESP-Launcher to the PC. The UART driver will be
installed automatically. A dialogue window will appear as the following picture shows:

Figure Ⅰ-1. Installing UART Driver on the PC
When the installation finishes, a dialogue window will appear as the following picture
shows:
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Figure Ⅰ-2. UART Driver Installed
The EspRFtestTool will automatically check the port number that will appear in the drop-
down menu in the serial configuration section.
📖 Note:
If the UART driver installation fails, users can install ./Tools/ft232r-usb-uart.zip provided by Espressif.
Espressif
! /!15 19
2018.03

Espressif ESP32 Specifications

General

Clock Speed	Up to 240 MHz
SRAM	520 KB
Wi-Fi	802.11 b/g/n
Bluetooth	Bluetooth v4.2 BR/EDR and BLE
GPIO Pins	34
Operating Voltage	2.2V to 3.6V
Operating Temperature	-40°C to +125°C
Processor	Tensilica Xtensa LX6
Flash Memory	4MB (varies by module)
ADC	12-bit SAR ADC up to 18 channels
DAC	2 channels of 8-bit DACs
I2C	2 x I2C
I2S	2 x I2S
Interfaces	CAN 2.0
SPI	4 SPI interfaces
UART	3 x UART