I have a question for you all, what protocol does the POS receipt printer use?
I recently worked on a project in which I used STM32F407 to receive printer data captured by a USB packet capture module
[i=s]This post was last edited by Bangbang on 2021-4-29 19:41[/i]Note: I copied some information from the official website.Download the official virtual machine imageDownload address (Baidu Cloud): ht
Customers often ask and do not understand why the storage depth of the LOTO oscilloscope is variable, and also express their misunderstanding of the segmented storage function of the LOTO oscilloscope
[i=s]This post was last edited by dcexpert on 2019-10-13 11:37[/i]In CircuitPython, the touch button function can be used through the touchio library. For example:import time
import touchio
from micro