The reference design features an ultrasonic flow transmitter capable of measuring water flow in large pipes used in the process industry. The reference design drives four different piezoelectric senso...
[i=s]This post was last edited by wo4fisher on 2022-1-16 14:52[/i]Getting started with a single-chip microcomputer usually starts with the microcontroller output 0/1. The most intuitive phenomenon is ...
Figure 1
Once powered on normally, the chip Vref has a 5V reference voltage, which generates base current through r1, turns on transistor Q1, and generates collector current flowing through r2.
Howeve...
The sound card obtains the sound analog signal from the microphone, and converts the sound wave amplitude signal into a series of digital signals through the analog-to-digital converter (ADC), which i...