Are you encountering any specific errors like or connection timeouts ?

If the incoming text looks like random symbols, your baud rate is mismatched. Close the port, change the baud rate, and open it again.

: Extract the ZIP file and run the sscom5.13.1.exe file directly.

: Enable timestamps to track exactly when data packets are received, which is useful for analyzing communication latency.

Sscom V5.13.1 is a lightweight yet powerful Windows utility designed specifically for serial port communication testing and debugging. It enables users to send and receive data over COM ports, making it an indispensable tool for debugging embedded devices, microcontrollers (such as Arduino, STM32, and ESP8266), and various communication modules. Unlike complex Integrated Development Environments (IDEs), Sscom offers a simple interface that focuses on direct communication and quick testing. It is widely used in hardware development labs, manufacturing environments, and academic research.

Check the "English" checkbox if the interface does not automatically default to English.

Automatically aligns imported subtitles to video/audio, fixes timing drift, and improves subtitle accuracy using contextual language models tuned for Sscom V5.13.1 English version.

Includes an "Auto-Send" mode for repetitive data transmission and the ability to save predefined command scripts for rapid testing.

Sending commands to a bootloader or monitoring printf output from an embedded device.

Select the correct baud rate (e.g., 9600, 115200) to match your device. Open Port: Click "Open COM" to start the communication. 2. Monitoring Data

Sscom V5.13.1 significantly extends its utility by integrating . This means it can be used not only as a serial port tool but also as a network client or server for debugging internet-connected devices. For example, an engineer could use one instance of Sscom as a virtual serial device and a second instance as a TCP server to simulate and test a complete device-to-server communication flow.

Sscom V5.13.1 English Version |link| Jun 2026

Are you encountering any specific errors like or connection timeouts ?

If the incoming text looks like random symbols, your baud rate is mismatched. Close the port, change the baud rate, and open it again.

: Extract the ZIP file and run the sscom5.13.1.exe file directly.

: Enable timestamps to track exactly when data packets are received, which is useful for analyzing communication latency.

Sscom V5.13.1 is a lightweight yet powerful Windows utility designed specifically for serial port communication testing and debugging. It enables users to send and receive data over COM ports, making it an indispensable tool for debugging embedded devices, microcontrollers (such as Arduino, STM32, and ESP8266), and various communication modules. Unlike complex Integrated Development Environments (IDEs), Sscom offers a simple interface that focuses on direct communication and quick testing. It is widely used in hardware development labs, manufacturing environments, and academic research.

Check the "English" checkbox if the interface does not automatically default to English.

Automatically aligns imported subtitles to video/audio, fixes timing drift, and improves subtitle accuracy using contextual language models tuned for Sscom V5.13.1 English version.

Includes an "Auto-Send" mode for repetitive data transmission and the ability to save predefined command scripts for rapid testing.

Sending commands to a bootloader or monitoring printf output from an embedded device.

Select the correct baud rate (e.g., 9600, 115200) to match your device. Open Port: Click "Open COM" to start the communication. 2. Monitoring Data

Sscom V5.13.1 significantly extends its utility by integrating . This means it can be used not only as a serial port tool but also as a network client or server for debugging internet-connected devices. For example, an engineer could use one instance of Sscom as a virtual serial device and a second instance as a TCP server to simulate and test a complete device-to-server communication flow.

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