Is the LTE Cat 1 module like the GPRS module, which can be used by simply inserting a common SIM card? Or does it require the cooperation of the operator to activate it like the NB-IOT module?
How to use gpio32 and gpio33 as UART? Now I can only find one serial port in /dev, serial0, which is the serial port corresponding to GPIO14 and 15. I can't find the corresponding one for 32 and 33, a
This paper introduces the design of a remote monitoring system for workshops based on fieldbus CC-Link technology. The design example of a touch screen monitoring inverter is used to briefly describe
The concept of synchronization
Synchronization technology is a very important technology in digital communication systems. Generally speaking, digital communication systems must implement multiple syn
ThinkPad Power Manager supports custom power management schemes. Users can create new power management schemes based on actual application conditions to meet the application requirements of various en