[size=4] Magnetic beads have high resistivity and permeability. They are equivalent to resistors and inductors in series, but both resistance and inductance vary with frequency. They have better high-
The third generation of anti-noise products in China currently use dynamic noise reduction ( DNR ) technology. DNR technology dynamically adjusts the output voice switch through the changing voice pea
Many people have done Bluetooth development, and many people can also add an attribute service by imitating the GATT routine, but many people may not be able to clearly understand the BLE attribute pr
I bought a new multimeter last week. Actually, there is no shortage of multimeters now, but the Fluke multimeter I have been using is good in every way, except that every time it automatically shuts d