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Anonymous users2024-02-11You can use the 12864 LCD module, the number of display lines is 4 lines, 8 Chinese characters per line, the voltage is also 5V, the backlight is green, and it supports parallel and serial two-clock data bus format You searched a lot of information on the previous one, and my space** is a 12864 do
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Anonymous users2024-02-10The built-in ST7920 LCD module of 128 x 64 can meet your needs.
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Anonymous users2024-02-09It is recommended that you use the display of 12864 ha,,nokia5110,,48*84,
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Anonymous users2024-02-08VCC and GND are connected to the power supply. TXD with RXD of MCU, RXD with TXD of MCU. Also, the single-chip microcomputer GND should be connected to the screen GND.
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Anonymous users2024-02-07Don't have an instruction manual? Guessing is not good.
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Anonymous users2024-02-06Because the delay in the program changes after you open the serial port, resulting in a mismatch in the screen timing.
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Anonymous users2024-02-05Just use a HyperTerminal on the PC, and send it to the PC when the display is to the LCD?
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Anonymous users2024-02-04The single-chip microcomputer comes with a serial port program, you can use it when you take it, and the PC uses a host computer, if you can, you can also use the serial port debugging assistant, of course, you can also use the super terminal.
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Anonymous users2024-02-03It is recommended to use the serial port debugging assistant for the upper computer.
It's just that the serial communication between the single-chip microcomputer and the PC is not very difficult, but it is recommended that you take it step by step. I wonder if your LCD display will be?
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Anonymous users2024-02-02LED light RBG trichromatic display full color by controlling the collocation of the tribal primary colour There is a lot of information on the Internet that can be searched.
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Anonymous users2024-02-01Very vague, showing something.
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Anonymous users2024-01-31If you want to get a good answer, you must first explain your question clearly.
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Anonymous users2024-01-30s2buf = uart_num[0];You only send it once, but your array has byte idata uart num[8]=; So much, that is, you only send the beginning 0x00
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Anonymous users2024-01-29First, set the serial communication mode and baud rate.
After that, you teleport whatever you want.
And it's not just the data on the LCD.
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Anonymous users2024-01-28The data before being output to the LCD is sent to the computer through the serial port.
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Anonymous users2024-01-27Send the content you want to display directly to the serial port.
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Anonymous users2024-01-26Read and receive buffers and then determine whether it is twelve, then it is bright.
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Anonymous users2024-01-25Is it okay to make an if judgment in it soon?
Like desktop LCD displays, LCD screens rely on the backlight to irradiate liquid crystal molecules and transmit light, so the life of the LCD screen mainly depends on the backlight, not the liquid crystal molecules. When the screen is idle, it is better to turn off the LCD screen directly than to let the LCD screen protect the content. >>>More
A monitor is an IO device of a computer, i.e., an input and output device. A monitor is a device that displays an operation screen on a computer. >>>More
Well, that's about what it looks like.
There may be spelling mistakes, check for yourself. >>>More
Generally, 19-inch monitors**are between 700-1100, of course, the brands are different, the models are different, there will definitely be a little difference, but the cost-effective monitor I recommend you to choose Lenovo, Lenovo is a big brand, quality***, I have a friend who just bought a 19-inch monitor, the model is ls1951, the best resolution is1440*900, especially slim, the picture is also super clear, I am really greedy! >>>More
First, if the host power is turned on, it will prompt that the display frequency is out of range, and the best way is to clear the CMOS and make sure that the connection is normal. Both of these have the potential to raise the questions that the landlord said. >>>More