I. Project design background and overview
With the progress of urbanization and the rapid development of the economy, the situation of “difficult ride by car†and “difficult driving†in cities is intensifying. Many cities suggest that people go out to take buses. However, when the weather is bad or the line of sight is not good, passengers often cannot clearly distinguish the arriving stop when they take the bus, resulting in no normal getting off or getting off the bus, giving the line unnecessary trouble. The traditional way of reporting is to manually report the station by the ticket sellers. This ticket sales staff not only needs to be responsible for ticket sales, but also accurately informs the passengers. As a regional bus station industry, it has certain local characteristics. When they reported to the station, they used local accents. As a foreigner, it was sometimes difficult to understand the station, which caused a lot of trouble.
The bus voice reporting system designed by this system uses the voice software of Keda Xunfei to divide the phrase and sentence into speech, synthesize the wav file, and then load it into the WT588D voice chip, and then control the voice playback through the deep Lianhua SLH89F5162 MCU. information. The system uses four buttons to select the driver's choice of the starting station, the last station, the next station, and the terminal. The current information is displayed through a 128*64 LCD screen, and the sound signal is amplified by the LM386 power amplifier chip to drive the speaker. The output of the sound. The system is simple in structure, excellent in performance and low in price, and is very suitable for large-area promotion and use.
Second, the project design principle
1, principle overview
The principle of this system is to use the deep Lianhua SLH89F5162 single-chip microcomputer to control the WT588D for voice broadcast using the single-line transmission protocol. The system selects the driver's choice of the starting station, the last station, the next station and the terminal station by four buttons to play. The corresponding sound shows the current information through a 128*64 LCD screen, and the LM386 power amplifier chip is used to amplify the sound signal and drive the speaker to output the sound.
2, hardware design principles
2.1 SLH89F5162 microcontroller small system design
Figure 2.1.1 SLH89F5162 pin diagram
SLH89F5162 is a high-side and high-efficiency 8051-compatible single-chip microcomputer with good encryption performance and high-speed processing speed. This system uses SLH89F5162 single-chip microcomputer as the processing chip, which has a good experimental effect. The pin diagram of SLH89F5162 is shown in Figure 2.1.1.
The small system design of SLH89F5162 MCU is shown in Figure 2.1.2. The system selects the driver's choice of the starting station, the last station, the next station and the terminal station through four buttons. The system design serial port download port and system reset button. The power supply is supplied by a mobile phone charger with a standard 5V input.
Figure 2.1.2 Schematic diagram of SLH89F5162 microcontroller small system
Material and the process
Most of wood cable drum are pine wood,and about the process we make the step
Raw wood→Timber→Wood cable drum. All of the wood are come from forest.
–Structure
The diameter of both side circle is about 0.8m-3.5m and we also can meet your
require.On the circle,has puched with screw,and the flange edges must be grind
so that we use it convenient.
–Inspection
Because they are wood products,so we must do something for them,that is
Fumigation/Heat Treatment.Wood products must put into the dry kiln and make the
humidith to 20% so that wood will not deformed.The aim of Heat Treatment is to
wipe out the insect,larva and fungus.
–Certificate
Due to They are made of wood,so we have the certificate od ISPM15 and
ISO9001-2000
–Capacity
We have professional staff and machine,every week,we produce 500 pcs,so
enough products for you.
–Price
Have our own factory and workers and machine,so the price is more cheaper
than others
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