Last time I shared a local clock, but my friend thought it was not fashionable, so after thinking about it, I decided to make a world clock to support the scene, which can be regarded as a small expan...
[size=4][b]1.PS63020 has voltage drop problem with 4 ohm load, input 5V voltage, no-load output 3.3V. With 4 ohm load, it sometimes works normally, and sometimes drops to about 1.9V. [/b] [/size][size...