Check the box “HEX发送” (Send HEX) → Type AABB01 → Send.
Check “HEX显示” (HEX Display) to see raw bytes instead of ASCII text.
Got a specific SSCOM question? Leave a comment below. Need a downloadable cheat sheet with button translations? Let me know in the comments.
Click the button “打开串口” (Open Port). When closed, it says “关闭串口” (Close Port). 3. Sending & Receiving Data To send a string: Type your command in the bottom-right text box → Press “发送” (Send).

