An automation engineer with 20 years of experience shared the wireless PPI communication solution between Kingview and Siemens PLC. If you need it, just drag it away
[size=4]Both 555 oscillators or timers can be configured as audio oscillators for separate speakers. A dual 100kΩ potentiometer is used to tune both oscillators simultaneously. The frequency range of
The purpose of the circuit is to input a signal Vin, compare it with the reference voltage, and output two corresponding signals, one output is high level and the other output is low level.
The circui
Mr. High Speed Original Article | Wang HuidongPreface:If you love someone, please ask him to make high-speed PCB ; if you hate someone, ask him to make high-speed PCB.At the beginning, I was also very