The Political Bureau of the CPC Central Committee held a meeting on May 31, which pointed out that further optimizing the birth policy and implementing the policy of allowing a couple to have three ch...
For a switching power supply engineer, PCB drawing is actually a crucial part that affects a product. If you cannot do a good layout, the entire power supply may not work properly, and the smallest pr...
NUCLEO_G431RB ReviewPlatform constructionI tried MDK514 before and found the same problem as http://bbs.21ic.com/icview-2861476-1-1.html?ordertype=1, so I downloaded the latest version of MDK528A dire...
[align=left][color=rgb(25, 25, 25)][font="]In the past two years, major mobile phone manufacturers have been enthusiastic about wireless charging. As of December last year, there were 135 mobile phone...
A smartwatch is a wrist-worn device that has a two-way connection to a smartphone via Bluetooth, baseband chips or Wi-Fi. It receives electronic communications such as texts or voice calls, must show ...
The double-tube counter-attack power supply, when the rear tube is not turned on (power supply does not work), 400V is input at J33, and the voltage across the electrolytic capacitor slowly rises to a...