Extending battery life is a common challenge for IoT products. How to select ultra-low power consumption devices to implement your design will be your primary consideration.
In the computer's switching power supply, I saw this thing in the red circle, and I don't know what it is used for. I hope everyone can discuss it and summarize the knowledge of switching power suppli
When using V4L2 to call the camera in Ubuntu, the ioctl(fd, VIDIOC_DQBUF, &buf) function is used. Every time I enter here, I can't come out. What is the reason?
Prepare a Siemens 1200 PLC, a Modbus TCP to Profinet gateway and a tightening shaft driver.The article content is a configuration example of connecting the Modbus TCP to Profinet gateway to the driver
[i=s]This post was last edited by fyaocn on 2016-10-28 10:47[/i] A little inspiration: Today's review is the last post in this series, comparing these two. It's the end of the comparison. The main rea