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1, 51 MCU serial port 232 chip action 2. HREF MAX3232: high-performance RS-232 converter chip 3, USB-to-serial chip --...
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1, the RS232 chips have a driver and a receiver? What do they do? 2, A 232 port extends multiple 232 chips 3, 51 MCU se...
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1, A MAX232 can be connected to the string interface of two microcontrollers at the same time, and use the computer toT...
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In data communication, computer network and distributed industrial control system, it is often necessary to use serial c...
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If your HP printer (such as the HP LaserJet Pro M1005, M1213nfh, and other models reports missing cartridge memory, it...
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RS232 interface is a serial communication standard developed by the American Electronic Industry Association (EIA in 19...
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The following is the connection method of ttl to 232:Connect pin 2 and pin 3 of the serial port to a level conversion ch...
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HP printer cartridge cleaning method:1, turn off the power and unplug the printer power cord; Printer data cable.2, pres...
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It is not recommended to use old chips to replace new toner cartridges. Because the old chip may be outdated or damaged,...
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The 232 to 485 protocol will changeThe interface of 232 and 485 is completely different and incompatible, so it is not s...
