[i=s]This post was last edited by liweicheng1985 on 2020-1-5 02:23[/i]My 2019 was not smooth sailing. I suffered the pain of being unemployed!As a working class, the most concerned thing is the five s
PASS F5 is a simple and famous circuit. Actually, I have wanted to make it for a long time, but I never started. Under the encouragement of others, I finally bought some 240 and 9240 and soldered them
/*******************************************Function name: ExternVerifyFunctionfunction: External authentication, common to cards and ESAMInput parameters: cReceCardData1[8] command data 8 bytes, cKey
Mobile phone radiation standards have again attracted attention 2006-6-16The issue of mobile phone radiation standards has existed in China for many years. Recently, it has heated up sharply with a re
BISS0001 is a high-performance sensor signal processing integrated circuit, which is equipped with a pyroelectric infrared sensor and a small number of external components to form a passive pyroelectr