Hi, good afternoon everyone~ Recently, I received some suggestions from netizens: "Open a domestic MCU section".
Recent news and discussions have made me realize that domestic chips face both opportun...
Abstract: In order to achieve secure group communication in wireless sensor networks with limited resources, group key management must meet basic security requirements while ensuring that when a node ...
Do you think that all power supplies of industrial field systems should use isolation solutions to improve reliability? Then you may have fallen into the misunderstanding of power supply use. Perhaps ...
I would like to ask you, the signal strength collected from the acceleration sensor varies greatly, the highest amplitude is ±15V, and the lowest is only 20mv. When the signal is small, the background...
Reprinted from: deyisupport [align=left][color=#000]Protection relays are used to protect high, medium or low voltage power systems, sense abnormal conditions in circuits and command the operation of ...
with key select led<= "11111110" when "11111110",--Key 1 "11111101" when "11111101",--Key 2 "11111011" when "11111011",--Key 3 "11110111" when "1111011",--Key 4 "11111111" when "11111111", unaffected ...