Now I need to temporarily disable the touch screen under certain conditions, but I cannot directly uninstall the driver because I need to use the touch screen again later. I saw that there is a DdsiTo
1. Introduction Since the emergence of microcontrollers in the 1970s, they have developed rapidly and been widely used in the past 30 years. With the rapid development of microelectronics technology,
I prefer to use 2803 because its pinout is simple. I have always used ULN2803 to drive 4-wire stepper motors, but now it doesn't work when used to drive DC. It works fine when I use L298 instead. Is t
Recently, a rich library of design tools has been provided for design engineers. One example is the resistor color code calculator. Here you can find out the resistance and tolerance value of an unkno