I use LMS8962 and two 74HC595 cascade to drive 8 digital tubes, but the actual result is garbled. The following is the program: #include "inc/hw_sysctl.h" #include "inc/hw_types.h" #include "inc/hw_me...
As shown in the figure, R1 is a variable resistor (20R-200K) that the sensor adjusts according to the actual state. Since its range is too large, if the question mark area below is a fixed resistor, t...
I have a system built with PB. I plugged in a keyboard, but it has no response. I can use the mouse, no problem. I have selected USB HID and its sub-items USB HID Keyboard and Mouse when building the ...