I burned the system image and used the busybox file system. But when I tried to mount the USB drive, an error occurred.There is nothing behind sda.
How to fix this? Thank you!...
I want to use a transistor switch circuit to control the on and off of the sensor to reduce power consumption, but the current cannot be amplified. Please recommend a circuit...
This content is originally created by dcexpert , a user of EEWORLD forum. If you want to reprint or use it for commercial purposes, you must obtain the author's consent and indicate the sourceThis is ...
Due to the successive increases in market prices of chips, panels and raw materials, many home appliance companies have been unable to bear the cost pressure, and the price increases in the terminal m...