espflashutility Code

Tool for onboard USB UART flashing of Espressif chipsets such as the E

Brought to you by: skorpiox22

Tree [79c787] main alpha0.1 / History

HTTPS access

File	Date	Author	Commit
LICENSE	2025-11-04	skorpiox22	[5574c6] Initial commit
README.md	2025-11-04	skorpiox22	[1a8bc4] Add installation instructions for required Pyth...
main.py	2025-11-04	skorpiox22	[79c787] Add files via upload

Tool for onboard USB UART flashing of Espressif chipsets such as the ESP32, ESP8266, and their variants. Flashing is done via esptool.

Python 3.10+
pip package manager
latest version of ESPtool: https://docs.espressif.com/projects/esptool/en/latest/esp32/installation.html

Install the required Python packages:

pip install esptool pyserial tk

Chip / Module Name	Identifier	Notes
ESP32	`esp32`	Standard dual-core Xtensa LX6
ESP32-S2	`esp32s2`	Single-core, native USB, improved security
ESP32-S3	`esp32s3`	Dual-core, AI acceleration, vector instructions
ESP32-C2	`esp32c2`	Single-core RISC-V, BLE + Wi-Fi
ESP32-C3	`esp32c3`	Single-core RISC-V, BLE + Wi-Fi, secure boot
ESP32-C6	`esp32c6`	Single-core RISC-V, Wi-Fi 6 + BLE
ESP32-H2	`esp32h2`	Single-core RISC-V, BLE + IEEE 802.15.4
ESP32-P4	`esp32p4`	High-performance variant for AI/control

Popular Modules (ESP32 variants packaged for boards)

Module Name	Base Chip	Notes
ESP32-WROOM-32	ESP32	Most common dev module, 4MB Flash
ESP32-WROOM-32D	ESP32	Improved thermal performance
ESP32-WROOM-32U	ESP32	U.FL connector for external antenna
ESP32-WROOM-32E	ESP32	Enhanced WROOM variant
ESP32-WROVER	ESP32	Includes PSRAM for more memory
ESP32-WROVER-B	ESP32	PSRAM + 4MB Flash
ESP32-WROVER-IE	ESP32	Industrial temp range
ESP32-DA / ESP32-DA2	ESP32	Dual antenna / improved RF
ESP32-S2-WROOM	ESP32-S2	Standard S2 module
ESP32-S2-WROVER	ESP32-S2	S2 module with PSRAM
ESP32-S3-WROOM	ESP32-S3	Standard S3 module
ESP32-S3-WROVER	ESP32-S3	S3 module with PSRAM
ESP32-C3-WROOM	ESP32-C3	Standard C3 module
ESP32-C6-WROOM	ESP32-C6	Standard C6 module
ESP32-H2-WROOM	ESP32-H2	Standard H2 module

Chip / Module Name	Identifier	Notes
ESP8266	`esp8266`	Classic single-core Wi-Fi module
ESP-01	ESP8266	Small 2x4 pin module
ESP-12 / ESP-12E	ESP8266	Most common dev module with GPIOs
ESP-12F / ESP-12S	ESP8266	Improved PCB antenna and performance