Ultra-wideband (UWB pulse) uses a frequency band greater than 3GHz. Compared with the 2.4Ghz (mobile phone, WIFI signal) frequency band, the diffraction performance of UWB signals is very poor, which ...
This verifies the importance and convenience of radio electromagnetic waves. We must study whether this thing can record data accurately.Satellite distance recordAO-40 (USA/USA) – 18,730 km. ZL1AOX in...
I just bought a Beagle with Linux 9 pre-installed. I can log in to the system through a USB to serial data cable. The username is debian and the password is temppwd. Then I tried to log in as root thr...
Data is stored in NAND Flash in the form of electric charge. The representation of data is realized by whether the voltage of the stored charge exceeds a specific threshold, so Nand Flash storage medi...
[size=4]The driver program of GY-273 driven by msp430 single-chip microcomputer can accurately measure the azimuth, and some statements are explained in detail, which is suitable for novices[/size] [s...