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
[i=s]This post was last edited by Hot Ximixiu on 2021-6-15 08:51[/i]SPI interface is widely used for board-level communication between different devices, such as extended serial Flash, DAC, LCD, etc.