I am looking for a detailed and detailed literature or article on the theoretical explanation of parallel communication between 51 microcontroller and FPGA. QQ: 1783045304
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