As a portable app, ensure you are running sscom32.exe from a folder with write permissions if you intend to save logs. Conclusion
To test a slave device or simulate a UART sensor: sscom 32
: Open the Device Manager on Windows and expand Ports (COM & LPT) to find the specific port number assigned to your device (e.g., COM3). As a portable app, ensure you are running sscom32
The standard Windows Terminal converts "A" to 0x41 . SSCOM lets you send raw byte arrays. Need to send FF 55 01 00 AA ? Just type it in. This is critical for: SSCOM lets you send raw byte arrays
For new projects, consider (if scripting needed) or CoolTerm (for cross-platform simplicity), but keep a copy of SSCOM32 on your debugging USB stick – it will open any serial port on any Windows machine in under a second.
The tool includes comprehensive logging functionality: