Figure 1 is a schematic diagram of the internal structure of LL494. The combination of external RC timing elements RT, CT and the internal oscillator generates a fixed frequency linear sawtooth wave s
A large number of special "industrial devices" are used in embedded Linux systems. Such as: D/A converters, A/D converters, inertial gyroscopes, magnetometers, accelerometers, pressure sensors, etc. L
First of all, I would like to explain that the program was not called out. Here I would like to share the process of failure and possible reasons. Since it is a transplanted program, it means that the