We make testing machines. In order to prevent customers from not paying, we need to make a button.For example, the software is allowed to be used by customers for one month. If the customer does not p...
Dear seniors, I have recently been learning about high-order active filters. I have seen online discussions about the differences between Butterworth and Chebyshev filters, all of which are about freq...
A friend's project needs to transplant fatfs and internal rtc on k50. I want to buy a board to verify it first. Do you have a k50 development board with sdhc interface sd card? It would be best if the...
[i=s] This post was last edited by jinglixixi on 2018-6-29 13:42 [/i] The LPC8N04 [/size][/font][font=宋体][size=10.5pt] development board mainly consists of two parts, namely the debugger and the [/siz...
[color=#333333][backcolor=rgb(225, 230, 215)][size=14px][size=18px][backcolor=transparent][font=微软雅黑]The I port of PLC is connected with the O port of the device, and the O port of PLC is connected wi...