The signal strength of a mobile phone is -109dbm, 31asu--- Why is dBm a negative value? -100dbm and -120dbm, which signal is stronger? What does 31asu mean?...
eSIM (also known as eUICC) is the next generation of SIM card technology. It evolves the traditional SIM card from a limited "one network" capacity to a smart, rewritable and network-agnostic module. ...
On the Compass and level app I created, I found that the compass needle was pointing to the west when it should be pointing to the east.Below are two pictures showing the difference in direction betwe...
As the title says, I need help finding a serial port assistant that can send commands alternately and supports 2400 baud rate
I have a device that can send commands alternately, but it doesn't support...
[i=s]This post was last edited by yilonglucky on 2019-3-12 11:11[/i] The National Computer Technology and Software Professional Technical Qualification (Level) Examination is now open for online regis...