CN216487241U

CN216487241U - Intelligent explanation equipment for exhibition hall

Info

Publication number: CN216487241U
Application number: CN202122516972.4U
Authority: CN
Inventors: 不公告发明人
Original assignee: Yu Shaofen
Current assignee: Yu Shaofen
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-05-10
Anticipated expiration: 2031-10-19

Abstract

The utility model relates to the technical field of explanation equipment, in particular to intelligent explanation equipment for an exhibition hall, which comprises a placing box, wherein a first opening is formed in the side surface of the placing box, a box plate corresponding to the first opening is installed on the side surface of the placing box through a rotating mechanism, an electric cylinder corresponding to the first opening is installed on the inner side surface of the placing box through a screw, and a display screen is installed at the first opening of the placing box. This scheme is through setting up the display screen in the inside of laying the case, with singlechip and loudspeaker setting in the outside of laying the case, will lay the case again and pass through the mount pad to be fixed on the frame of exhibition platform, the device of being convenient for explains the article that the exhibition platform shows, can know with the same principle, set up a plurality of the device on a plurality of exhibition platforms, a plurality of the device can explain objects in a plurality of exhibition platforms, make things convenient for different personnel to use on the exhibition platform of different positions, the sight quality of sight personnel has been promoted.

Description

Intelligent explanation equipment for exhibition hall

Technical Field

The utility model relates to the technical field of explanation equipment, in particular to intelligent explanation equipment for an exhibition hall.

Background

Along with the development of time, for the substitute personnel explanation in the exhibition hall, reduce the manpower burden, save the cost of labor, can use the robot of explaining to explain in an auxiliary way, because the robot of explaining is expensive, and can only carry out single or concentrated explanation to single or a batch of tourist personnel in same exhibition position, and the current exhibition hall is interior all can have the personnel to flow on different exhibition positions, can cause the condition that the robot of explaining is not enough to appear like this, has reduced the convenience of explaining to the tourist personnel, and then has reduced tourist personnel's quality.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides intelligent explanation equipment for an exhibition hall.

In order to achieve the purpose, the utility model adopts the technical scheme that: an intelligent explanation device for exhibition halls comprises a placing box, wherein a first opening is formed in the side surface of the placing box, a box plate corresponding to the first opening position is installed on the side surface of the placing box through a rotating mechanism, an electric cylinder corresponding to the first opening position is installed on the inner side surface of the placing box through a screw, a display screen is placed at the first opening of the placing box, the display screen is connected with the movable end of the electric cylinder through a movable mechanism, the movable mechanism comprises a second concave piece, the two ends of the second concave piece are respectively provided with a first bearing corresponding to the position in a penetrating manner, a movable block is placed in the second concave piece, one end of the movable block is installed on the side surface of the display screen through a screw, rotating shafts are welded on the two symmetrical side surfaces of the movable block, and one ends of the rotating shafts are respectively and tightly inserted in the two first bearings, one of them the one end of axis of rotation is equipped with actuating mechanism, actuating mechanism includes worm and backup pad, the worm welding is at the tip of axis of rotation, axis of rotation and worm are arranged with the axle center, the backup pad passes through the side of mounting screw at the concave type spare of second, the top of backup pad has step motor through mounting screw, step motor's expansion end installs the transmission shaft through the shaft coupling, the one end of transmission shaft extends to the below of worm, there is the worm wheel transmission shaft one end through mounting screw, worm wheel and worm meshing set up, the surface of transmission shaft is equipped with fixed establishment, fixed establishment includes the second fixed plate, the side at the concave type spare of second is passed through mounting screw to the one end of second fixed plate, the other end of second fixed plate runs through and installs the second bearing, the inner circle tight-fitting cover of second bearing is established on the surface of transmission shaft, the laying box is connected with the box plate through a plurality of stretching mechanisms, each stretching mechanism comprises a fixed pipe fitting and a first fixed shaft, one end of each first fixed shaft is mounted on the side face of the box plate through a screw, the surface of each fixed pipe fitting is mounted on the outer portion of the laying box through a screw, the first fixed shaft and the fixed pipe fittings are in position correspondence in the horizontal direction, a sliding rod is slidably mounted inside the fixed pipe fittings, a first fixed plate is mounted at the other end of the sliding rod through a screw, a spring is sleeved on the surface of the sliding rod in a movable mode, the two ends of the spring are respectively mounted on the surfaces of the first fixed plate and the fixed pipe fittings through screws, a first concave piece is mounted at the other end of the sliding rod through a screw, a second fixed shaft is welded between the two ends of the first concave piece, and a rotating block is sleeved on the surface of the second fixed shaft in a movable mode, the side of turning block has the connecting rod through the screw mounting, the one end movable sleeve of connecting rod is established on the surface of first fixed axle, there is the control box at the top of laying the case through the screw mounting, the second opening has been seted up at the top of control box, there is the lid that corresponds with second open position at the top of control box through the screw mounting, singlechip and loudspeaker are installed respectively to the inside bottom surface of control box, there is infrared sensor at the top of laying the case through the screw mounting, the singlechip passes through the wire and is connected with infrared sensor, loudspeaker, electronic jar, display screen and step motor respectively.

Preferably, the bottom of display screen is passed through the mounting of screw at a plurality of ejector pads, and is a plurality of the one end of ejector pad all is located between display screen and the boxboard, and is a plurality of the ejector pad all corresponds with the position of boxboard.

Preferably, the number of the push blocks is at least two, the two push blocks are symmetrically arranged, and the bottoms of the push blocks are in contact with the inner surface of the placing box.

Preferably, the mounting seat is installed through the screw to the one end of laying the case and keeping away from the boxboard, a plurality of screws have been seted up to the side of mounting seat, the screw is equipped with four at least, four the screw distributes in four corners of mounting seat side.

Preferably, a plurality of mounting holes are formed in the side face of the control box, the mounting holes correspond to the positions of the loudspeakers, the mounting holes are long and are at least three and arranged at equal intervals.

Preferably, the side of laying the case has the mounting panel through the screw mounting, the side of mounting panel bonds there is the magnet piece, the side of boxboard has the metal block through the screw mounting.

Preferably, the rotating mechanism is a hinge.

Preferably, the spring is a compression spring.

Preferably, the length of the connecting rod is greater than the distance between the first fixing shaft and the bottom of the box plate.

Preferably, the type of the single chip microcomputer is an MSP430 single chip microcomputer.

Compared with the prior art, the utility model has the following beneficial effects:

according to the scheme, the display screen is arranged inside the placement box, the singlechip and the loudspeaker are arranged outside the placement box, the placement box is fixed on a frame of the exhibition stand through the mounting seat, so that the device can explain articles displayed on the exhibition stand conveniently, and similarly, a plurality of the devices are arranged on a plurality of exhibition stands, so that the devices can explain the objects displayed in the exhibition stands conveniently, and compared with the explanation of a robot in the prior art, the devices can explain the objects in the exhibition stands, so that different staff can use the exhibition stands at different positions conveniently, and the observation quality of the staff is improved;

the scheme is further provided with an electric cylinder, a movable mechanism and a driving mechanism, and the electric cylinder, the movable mechanism and the driving mechanism are used for pushing the display screen out of the placing box and then adjusting the inclination angle of the display screen in the vertical direction, so that the device can accord with human engineering and is convenient for visitors to watch;

according to the scheme, a stretching mechanism is further arranged, and is used for enabling the box plate to be stably contacted with the placing box and protecting a display screen stored in the placing box;

this scheme is further setting up infrared sensor, and the tourist stops in exhibition platform the place ahead and detect the back through infrared sensor, and electronic jar work can be controlled to the singlechip for push the display screen away the boxboard and follow and lay the incasement and shift out, the display screen of being convenient for shifts out in the incasement from laying and watch the content that the display screen broadcast in order to supply the tourist to watch.

Drawings

Fig. 1 is an isometric view of an intelligent explanation apparatus for an exhibition hall according to the present invention;

fig. 2 is a sectional view of an intelligent explanation apparatus for an exhibition hall according to the present invention;

FIG. 3 is a schematic view of the connection of the electric cylinder, the moving mechanism and the driving mechanism of the intelligent explanation device for exhibition hall of the present invention;

FIG. 4 is a schematic structural diagram of a moving mechanism of the intelligent explanation device for exhibition hall according to the present invention;

FIG. 5 is a schematic view of a connection structure of a fixing mechanism and a worm wheel of the intelligent explanation device for exhibition hall of the present invention;

FIG. 6 is a schematic view of a connection structure between a movable block and a display screen of the intelligent explanation device for exhibition hall according to the present invention;

fig. 7 is a schematic structural view of a stretching mechanism of the intelligent explanation device for exhibition hall of the utility model;

fig. 8 is a schematic view of the internal structure of a control box of the intelligent explanation device for exhibition hall according to the present invention;

fig. 9 is a schematic structural view of a mounting base of the intelligent explanation device for exhibition hall of the utility model;

fig. 10 is a schematic view of a connection structure of a metal block and a magnet block of the intelligent explanation apparatus for an exhibition hall according to the present invention.

In the figure: the infrared sensor comprises an infrared sensor 1, a mounting hole 2, a control box 3, a box cover 4, a mounting base 5, a screw hole 6, a placing box 7, a first fixing plate 8, a spring 9, a fixing pipe fitting 10, a mounting plate 11, a first concave part 12, a connecting rod 13, a first fixing shaft 14, a metal block 15, a box plate 16, an electric cylinder 17, a stepping motor 18, a supporting plate 19, a second fixing plate 20, a worm 21, a worm wheel 22, a push block 23, a display screen 24, a movable block 25, a second concave part 26, a first bearing 27, a transmission shaft 28, a second bearing 29, a sliding rod 30, a second fixing shaft 31, a rotating block 32, a single chip microcomputer 33, a loudspeaker 34, a rotating shaft 35 and a magnet block 36.

Detailed Description

The following description is presented to disclose the utility model so as to enable any person skilled in the art to practice the utility model. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

The intelligent explanation device for the exhibition hall comprises a placing box 7, wherein a first opening is formed in the side face of the placing box 7, a box plate 16 corresponding to the first opening is installed on the side face of the placing box 7 through a rotating mechanism, a mounting seat 5 is installed at one end, away from the box plate 16, of the placing box 7 through screws, a plurality of screw holes 6 are formed in the side face of the mounting seat 5, at least four screw holes 6 are formed in the screw holes 6, and the four screw holes 6 are distributed in four corners of the side face of the mounting seat 5. When the mount pad 5 is connected with the frame of exhibition stand, only need pass screw 6 and screw thread with the screw and install in the inner wall of framework for with 5 fixed mounting of mount pad on the surface of framework, and then promoted the stability that the device and exhibition stand are connected. The rotating mechanism is a hinge. The hinge is arranged to facilitate rotation of the box plate 16 on the placing box 7, for separation of the box plate 16 from the placing box 7, and for facilitating removal of the display screen 24 from the placing box 7.

An electric cylinder 17 corresponding to a first opening position is installed on the inner side face of the placing box 7 through a screw, a display screen 24 is placed at the first opening of the placing box 7, the display screen 24 is connected with the movable end of the electric cylinder 17 through a movable mechanism, the movable mechanism comprises a second concave part 26 and a second concave part 26, two ends of the second concave part 26 are respectively provided with a first bearing 27 corresponding to the position in a penetrating mode, a movable block 25 is placed inside the second concave part 26, one end of the movable block 25 is installed on the side face of the display screen 24 through a screw, rotating shafts 35 are welded on two symmetrical side faces of the movable block 25, one ends of the two rotating shafts 35 are respectively inserted into the two first bearings 27 in a tight fit mode, a driving mechanism is arranged at one end of one rotating shaft 35 and comprises a worm 21 and a supporting plate 19, the worm 21 is welded at the end portion of the rotating shaft 35, and the rotating shafts 35 and the worm 21 are coaxially arranged, the supporting plate 19 is installed on the side surface of the second concave part 26 through a screw, the stepping motor 18 is installed on the top of the supporting plate 19 through a screw, the movable end of the stepping motor 18 is provided with a transmission shaft 28 through a coupler, one end of the transmission shaft 28 extends to the lower part of the worm 21, one end of the transmission shaft 28 is provided with a worm wheel 22 through a screw, the worm wheel 22 is meshed with the worm 21, the surface of the transmission shaft 28 is provided with a fixing mechanism, the fixing mechanism comprises a second fixing plate 20, one end of the second fixing plate 20 is installed on the side surface of the second concave part 26 through a screw, the other end of the second fixing plate 20 is provided with a second bearing 29 in a penetrating manner, the inner ring of the second bearing 29 is tightly sleeved on the surface of the transmission shaft 28, when the display screen 24 is moved out of the placing box 7, the single chip microcomputer 33 is firstly used for controlling the electric cylinder 17 to work, the movable end of the electric cylinder 17 pushes the second concave part 26, the second concave part 26 pushes the display screen 24 after being stressed, the display screen 24 pushes the box plate 16 away through the push block 23 to move out to the outer side of the placing box 7, when the display screen 24 is located on the outer side of the placing box 7, the stepping motor 18 is controlled to be powered on through the single chip microcomputer 33, the stepping motor 18 drives the transmission shaft 28 to rotate, the transmission shaft 28 rotates in the second fixing plate 20 through the second bearing 29, the transmission shaft 28 drives the worm wheel 22 to rotate, the worm wheel 22 drives the worm 21 to rotate, the worm 21 drives the rotating shaft 35 to rotate in the second concave part 26 through the first bearing 27, the rotating shaft 35 drives the movable block 25 to rotate conveniently, the movable block 25 drives the display screen 24 to rotate, the angle of the display screen 24 in the vertical direction can be conveniently adjusted, and the inclination angle of the display screen 24 can be adjusted.

The placing box 7 is connected with the box plate 16 through a plurality of stretching mechanisms, each stretching mechanism comprises a fixed pipe fitting 10 and a first fixed shaft 14, one end of each first fixed shaft 14 is installed on the side face of the box plate 16 through a screw, the surface of each fixed pipe fitting 10 is installed on the outer portion of the placing box 7 through a screw, the first fixed shaft 14 corresponds to the corresponding fixed pipe fitting 10 in the horizontal direction, a sliding rod 30 is installed inside the fixed pipe fitting 10 in a sliding mode, a first fixed plate 8 is installed at the other end of the sliding rod 30 through a screw, a spring 9 is movably sleeved on the surface of the sliding rod 30, two ends of the spring 9 are respectively installed on the surfaces of the first fixed plate 8 and the fixed pipe fitting 10 through screws, a first concave part 12 is installed at the other end of the sliding rod 30 through a screw, a second fixed shaft 31 is welded between two ends of the first concave part 12, and a rotating block 32 is movably sleeved on the surface of the second fixed shaft 31, the connecting rod 13 is installed on the side surface of the rotating block 32 through a screw, one end of the connecting rod 13 is movably sleeved on the surface of the first fixing shaft 14, and the spring 9 is a pressure spring. When the box plate 16 rotates on the placing box 7 through the hinge after being stressed, the box plate 16 makes circular arc motion, the box plate 16 drives the first fixing shaft 14 to make synchronous circular arc motion, and at the moment, the first fixed shaft 14 pulls the connecting rod 13, the connecting rod 13 performs circular arc motion on the surface of the first fixed shaft 14 simultaneously in the moving process, so that the connecting rod 13 drives the rotating block 32 to do circular arc motion on the surface of the second fixed shaft 31, meanwhile, the connecting rod 13 pulls the second fixing shaft 31 to move through the rotating block 32, the second fixing shaft 31 pulls the first female profile 12 to synchronously move, the first female profile 12 pulls the sliding rod 30 to synchronously slide in the fixed pipe 10, and at this time, the sliding rod 30 pulls the first fixing plate 8, the first fixing plate 8 pushes the spring 9, the spring 9 is compressed after being stressed, the box plate 16 can rotate on the placing box 7 conveniently, and the display screen 24 can move out of the placing box 7 conveniently. When accomodating display screen 24 to laying in the case 7, along with display screen 24 removes to the in-process of laying in the case 7, display screen 24 drives ejector pad 23 and keeps away from boxboard 16 for boxboard 16 does not receive external force to influence, and spring 9 promotes first fixed plate 8 through self effort, the reverse pulling slide bar 30 of first fixed plate 8, slide bar 30 passes through connecting rod 13 pulling second fixed axle 31, second fixed axle 31 atress back pull boxboard 16 is along with display screen 24's removal and is circular motion in step. The length of the connecting rod 13 is greater than the distance between the first fixing shaft 14 and the bottom of the box plate 16. So that the box plate 16 can be unfolded on the setting box 7.

Lay the top of case 7 and have control box 3 through the screw mounting, the second opening has been seted up at control box 3's top, there is lid 4 that corresponds with second opening position at control box 3's top through the screw mounting, singlechip 33 and loudspeaker 34 are installed respectively to control box 3's inside bottom surface, there is infrared sensor 1 at the top of laying case 7 through the screw mounting, singlechip 33 passes through the wire respectively with infrared sensor 1, loudspeaker 34, electronic jar 17, display screen 24 and step motor 18 are connected. The model of the singlechip 33 is MSP430 singlechip. The control box 3 is used for playing the effect of protection to singlechip 33 and loudspeaker 34, and singlechip 33 is used for playing the effect of control to infrared sensor 1, loudspeaker 34, electronic jar 17, display screen 24 and step motor 18 for the device can automatic work, the use of the device of being convenient for. The loudspeaker 34 is used for playing the explanation voice, so that people can listen to the voice conveniently. A plurality of mounting holes 2 have been seted up to the side of control box 3, and a plurality of mounting holes 2 all correspond with loudspeaker 34's position, and mounting hole 2 is rectangular form, and mounting hole 2 is equipped with three and equidistance at least and arranges. The installation hole 2 is convenient for the transmission of sound wave, and the sound that loudspeaker 34 broadcast is heard clearly to the personnel of visiting.

The bottom of display screen 24 passes through the screw installation at a plurality of ejector pads 23, and the one end of a plurality of ejector pads 23 all is located between display screen 24 and boxboard 16, and a plurality of ejector pads 23 all correspond with boxboard 16's position. The push blocks 23 are at least two, the two push blocks 23 are symmetrically arranged, and the bottoms of the push blocks 23 are in contact with the inner surface of the placing box 7. The push block 23 is used for pushing the box plate 16 along with the display screen 24 when moving out of the placing box 7, and the push block 23 is arranged at the bottom end of the display screen 24, so that after the display screen 24 moves out, the push block 23 can limit the box plate 16.

The mounting plate 11 is attached to the side surface of the mounting box 7 by screws, the magnet block 36 is bonded to the side surface of the mounting plate 11, and the metal block 15 is attached to the side surface of the box plate 16 by screws. When the metal block 15 and the magnet block 36 are attracted together by the magnet, the contact stability between the box plate 16 and the housing box 7 is improved, and the stability of the position where the box plate 16 is located is further improved.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an exhibition hall is with intelligent explanation equipment, is including laying case (7), first opening has been seted up to the side of laying case (7), the side of laying case (7) is installed boxboard (16) that correspond with first open position through rotary mechanism, a serial communication port, the inside side of laying case (7) has electronic jar (17) that correspond with first open position through the screw installation, lay case (7) first opening part and lay display screen (24).

2. The intelligent explanation device for the exhibition hall is characterized in that the display screen (24) is connected with the movable end of the electric cylinder (17) through a movable mechanism, the movable mechanism comprises a second concave part (26), the second concave part (26), two ends of the second concave part (26) are respectively provided with a first bearing (27) corresponding to the position in a penetrating way, a movable block (25) is placed in the second concave part (26), one end of the movable block (25) is arranged on the side surface of the display screen (24) through a screw, two symmetrical side surfaces of the movable block (25) are respectively welded with a rotating shaft (35), one end of each of the two rotating shafts (35) is tightly inserted in the two first bearings (27), one end of one rotating shaft (35) is provided with a driving mechanism, and the driving mechanism comprises a worm (21) and a supporting plate (19), the tip at axis of rotation (35) is welded in worm (21), axis of rotation (35) and worm (21) are arranged with the axle center, backup pad (19) are through the side of mounting screw at the concave type spare of second (26), step motor (18) are installed through the screw at the top of backup pad (19), transmission shaft (28) are installed through the shaft coupling to the expansion end of step motor (18), the one end of transmission shaft (28) extends to the below of worm (21), worm wheel (22) are installed through the mounting screw to transmission shaft (28) one end, worm wheel (22) and worm (21) meshing setting, the surface of transmission shaft (28) is equipped with fixed establishment, fixed establishment includes second fixed plate (20), the side at the concave type spare of second (26) is passed through the mounting screw to the one end of second fixed plate (20), second bearing (29) are installed through to the other end of second fixed plate (20), the inner ring tight-fitting sleeve of second bearing (29) is established on the surface of transmission shaft (28), it connects through a plurality of extension machanism to lay between case (7) and boxboard (16), extension machanism includes fixed pipe fitting (10) and first fixed axle (14), the side at boxboard (16) is passed through the screw installation to the one end of first fixed axle (14), the outside of laying case (7) is passed through the screw installation in the surface of fixed pipe fitting (10), first fixed axle (14) and fixed pipe fitting (10) position on the horizontal direction correspond, the inside slidable mounting of fixed pipe fitting (10) has slide bar (30), first fixed plate (8) is installed through the screw to the other end of slide bar (30), the surface activity cover of slide bar (30) is equipped with spring (9), the surface at first fixed plate (8) and fixed pipe fitting (10) is installed respectively through the screw at the both ends of spring (9), the other end of slide bar (30) has first concave type spare (12) through the screw mounting, the welding has second fixed axle (31) between the both ends of first concave type spare (12), the surface activity cover of second fixed axle (31) is equipped with turning block (32), there is connecting rod (13) side of turning block (32) through the screw mounting, the one end activity cover of connecting rod (13) is established on the surface of first fixed axle (14), the top of laying case (7) has control box (3) through the screw mounting, the second opening has been seted up at the top of control box (3), there is lid (4) that correspond with second opening position at the top of control box (3) through the screw mounting, singlechip (33) and loudspeaker (34) are installed respectively to the inside bottom surface of control box (3), there is infrared sensor (1) at the top of laying case (7) through the screw mounting, the single chip microcomputer (33) is respectively connected with the infrared sensor (1), the loudspeaker (34), the electric cylinder (17), the display screen (24) and the stepping motor (18) through leads; the bottom of display screen (24) is passed through the screw and is installed at a plurality of ejector pad (23), and is a plurality of the one end of ejector pad (23) all is located between display screen (24) and boxboard (16), and is a plurality of ejector pad (23) all corresponds with the position of boxboard (16).

3. The intelligent explanation equipment for exhibition hall as claimed in claim 2, characterized in that there are at least two push blocks (23), two push blocks (23) are symmetrically arranged, and the bottom of the push block (23) is in contact with the inner surface of the placing box (7).

4. The intelligent explanation equipment for exhibition hall as claimed in claim 2, characterized in that the mounting seat (5) is installed on one end of the placing box (7) far away from the box board (16) through screws, a plurality of screw holes (6) are opened on the side surface of the mounting seat (5), at least four screw holes (6) are provided, and the four screw holes (6) are distributed on four corners of the side surface of the mounting seat (5).

5. The intelligent explanation device for exhibition hall according to claim 2, characterized in that the side of the control box (3) is opened with a plurality of mounting holes (2), the mounting holes (2) correspond to the position of the horn (34), the mounting holes (2) are long, and the mounting holes (2) are at least three and arranged at equal intervals.

6. The intelligent explanation equipment for the exhibition hall is characterized in that a mounting plate (11) is mounted on the side surface of the placing box (7) through screws, a magnet block (36) is bonded on the side surface of the mounting plate (11), and a metal block (15) is mounted on the side surface of the box plate (16) through screws.

7. The intelligent explanation device for exhibition hall as claimed in claim 2, characterized in that the rotation mechanism is a hinge.

8. The intelligent explanation device for exhibition halls as claimed in claim 2, characterized in that the spring (9) is a compression spring.

9. The intelligent explanation equipment for exhibition halls as claimed in claim 2, characterized in that the length of the connecting rod (13) is longer than the distance from the first fixed shaft (14) to the bottom of the box board (16).

10. The intelligent explanation device for the exhibition hall as claimed in claim 2, characterized in that the single chip microcomputer (33) is an MSP430 single chip microcomputer.