SerialTool Serial Debug Assistant for Android
USB-OTG serial (CH340/CP2102/FT232) · Modbus RTU/ASCII parsing · Hex/ASCII view · log export
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SerialTool is a professional serial debugging tool for Android. Connect a USB-to-serial adapter through your phone's USB-OTG port and send/receive data just like desktop serial software - debug MCUs and embedded devices on the go.
Key Features
- Hardware serial (UART): TTL / RS232 / RS485 levels, baud rate 9600~921600, parity/data/stop bits fully configurable
- Modbus parsing: built-in Modbus RTU / ASCII master/slave parsing with visualised registers and coil states
- Hex / ASCII dual view: auto-formatted traffic log, hex and ASCII side by side, timestamps and colour-coded directions
- Log export: one-tap export to TXT / CSV / LOG for archiving, reproduction and sharing
Supported USB-UART Chips
Works with CH340, CH341, CP2102, CP2104, FT232, PL2303 and other popular chips; compatible with Arduino, ESP32/ESP8266, STM32 boards and programmers - plug and play.
Installation
- Requires Android 6.0 or later
- Allow "install unknown apps" on first install
- Grant storage, USB and notification permissions after setup
Use Cases
MCU serial printing, ESP32/Arduino firmware logs, RS485 sensor data acquisition, Modbus meter/PLC parameter reading and other embedded or industrial scenarios.
- USB-OTG direct serial with CH340/CH341/CP2102/CP2104/FT232/PL2303 support
- TTL / RS232 / RS485 levels, baud rate 9600~921600 configurable
- Built-in Modbus RTU / ASCII master/slave parsing with visualised registers
- Hex / ASCII dual view with timestamps and direction colours
- One-tap log export to TXT / CSV / LOG
Delivery
This is a digital software product delivered automatically after payment: go to My Orders - License / Download to get the APK download link and your order license code, no manual waiting.
The package requires Android 6.0 or later; allow "install unknown apps" on first install.
After-sales
If the download link expires or installation fails, contact online support or call the 24-hour hotline 4008013054 and we will reissue the link.
As a digital product, it is non-refundable once the download link is viewed, except for quality issues. Refunds follow the platform Refund Policy.
