تکنیک charlieplexing:
یکی از روش های کاهش تعداد پین مورد نیاز برای روشن کردن یک LED خاص، I/O و....
به طوری که برخلاف روش عادی استفاده از ۲ multiplexer هم اندازه، تمامی پین ها با هم در تماس اند و نقطه اشتراک دارند.
از روی نیز تصویر میتوان مشاهده کرد که چینش سمت چپ ۱۶ نقطه قابل تشخیص، و شکل سمت راست ۲۸ نقطه دارند.
BY Turing Things
Telegram has no known backdoors and, even though it is come in for criticism for using proprietary encryption methods instead of open-source ones, those have yet to be compromised. While no messaging app can guarantee a 100% impermeable defense against determined attackers, Telegram is vulnerabilities are few and either theoretical or based on spoof files fooling users into actively enabling an attack.
Traders also expressed uncertainty about the situation with China Evergrande, as the indebted property company has not provided clarification about a key interest payment.In economic news, the Commerce Department reported an unexpected increase in U.S. new home sales in August.Crude oil prices climbed Friday and front-month WTI oil futures contracts saw gains for a fifth straight week amid tighter supplies. West Texas Intermediate Crude oil futures for November rose $0.68 or 0.9 percent at 73.98 a barrel. WTI Crude futures gained 2.8 percent for the week.
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