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 Construction guide 

 

 

 

 

12 

Texas Instruments Robotics System Learning Kit: The Solderless Maze Edition 

SEKP164

 

 1.6 The 8 channel QTRX  line following sensor installment 

 

The following steps will show you how to install the 8-channel QTRX line 

following sensor (Figure 16) to the underside of your TI-RSLK Max.  

 

 

 

 

 

Figure 16.  QTRX line following sensor 

First identify the two 1x7 female headers on the underside of your 

chassis, directly next to the smaller side of the battery compartment 

(Figure 17).  

 

Figure 17.  Location of two 1x7 female headers for the QTRX line 

following sensor 

 

 

Содержание TI-RSLK

Страница 1: ...Texas Instruments Robotics System Construction guide ...

Страница 2: ...d batteries into the battery compartment 16 Section II LaunchPad preparation 18 2 0 Needed Items 18 2 1 Install 2x19 header onto the LaunchPad 18 2 2 Install 2x1 Header onto LaunchPad 19 2 3 Remove the 5V jumper 20 Section III Disassembly guide 22 3 0 Needed Items 22 3 1 Remove batteries and QTRX line following sensor 22 3 3 Remove MSP432P401R LaunchPad 23 3 4 Remove the Motors 24 3 5 Remove the t...

Страница 3: ...Construction guide 3 Texas Instruments Robotics System Learning Kit The Solderless Maze Edition SEKP164 Assembly guide ...

Страница 4: ...to construct the TI RSLK Max One Romi chassis plastic base plate black with the TI RSLK chassis board and battery installed One right and one left bumper assembly along with four nuts and four 7 16 th inch long bolts One 8 channel QTR reflectance sensor array Two Romi chassis motor clips Two Romi gear motors with encoders Two Romi wheels with tires One Romi ball caster kit One TI MSP432P401R Launc...

Страница 5: ...16 bolts and two nuts for each board as shown in Figure 2 Figure 2 Required parts to install the left and right bumper switch boards Each bumper switch board has a 4 pin male header that needs to be inserted horizontally into a corresponding 4 pin female header on the front curved end of the TI RSLK These female headers can be found on the underside of the chassis board at the edge of the curved e...

Страница 6: ...16 bolts and nuts The required holes for these bolts are shown in Figure 5 Please note that we recommend inserting the bolts from the underside of the chassis rather than the top unlike what is shown in Figure 5 Figure 5 Location of holes to secure the bumper switch boards We recommend inserting the bolts for easier tightening of the screw due to the front lip of the chassis side ...

Страница 7: ... the motor clips that will only allow you to orient and install the clips in one direction Figure 6 With the motor clip aligned with the grooves as just instructed push the motor clip all the way up into the plastic base plate You may hear clicks along the way but it is not fully secured and correctly installed until the bottom of the motor clip is flush with the bottom of the plastic chassis plat...

Страница 8: ...assis board and the metal motor shaft points outwards and away from the robot Figure 8 Figure 8 Picture showing properly motor alignment and black plastic barbs holding the motors in place Once aligned begin to insert the motor into the motor clips by gently spreading apart the black plastic retaining barbs Before pressing the motor down ensure that the motor is aligned evenly within the motor cli...

Страница 9: ...e aligns with the D shaped metal motor shaft on the motor assembly Also notice that the plastic immediately surrounding the D shape on the wheel protrudes out on one side while the other side is flat The protruding side of the wheel should face the robot to create space away from the robot chassis and reduce any possible friction With the protruding end of the wheel pointing towards the robot alig...

Страница 10: ...robot Figure 12 Ball caster components From the underside of your robot notice that there are two locations where you can install a ball caster We will use the location on the opposite end from where you installed the bumper switches Figure 13 Once the batteries are installed there will be more weight on the back of the robot to force it down which is why this location has been chosen Figure 13 Pr...

Страница 11: ...s are free to spin Figure 14 Figure 14 Location and orientation of the rollers Now place the ball onto these rollers Install the retention clip over the ball by pressing the three barbs of the retention clip Figure 12 into the holes shown in Figure 15 Figure 15 Location of the holes for the roller ball retention clips When finished the ball caster assembly should look like Figure 13 and the ball c...

Страница 12: ...s will show you how to install the 8 channel QTRX line following sensor Figure 16 to the underside of your TI RSLK Max Figure 16 QTRX line following sensor First identify the two 1x7 female headers on the underside of your chassis directly next to the smaller side of the battery compartment Figure 17 Figure 17 Location of two 1x7 female headers for the QTRX line following sensor ...

Страница 13: ...t insert the pins of the QTRX sensor into these headers making sure the bulk of the QTRX sensor board faces towards the front of the robot towards the bump switches and away from the battery compartment Figure 18 Figure 18 Insert the QTRX sensor with the largest part of the board facing the front of the robot ...

Страница 14: ...ave the 2x19 and 2x1 headers installed as shown in Figure 19 If not installed please refer to the instructions for installing these headers at www ti com rslk Figure 19 MSP432P401R LaunchPad with 2x19 and 2x1 headers installed IMPORTANT The 5V jumper in the middle of the MSP432P401R LaunchPad must be removed before installing it onto the chassis board You will damage the robot if this 5V jumper is...

Страница 15: ...rs on the TI RSLK Max chassis board Figure 21 Figure 21 The four LaunchPad connectors on the TI RSLK Max chassis board Carefully place and align the LaunchPad onto these header pins and press down evenly being careful not to bend or break any of the header pins Figure 22 Figure 22 LaunchPad connected to the TI RSLK Max chassis board headers ...

Страница 16: ...ry compartment When you re ready to power up the TI RSLK Max for the first time the last step Figure 23 will be to install six AA sized batteries into the battery compartment Figure 23 Remove battery compartment cover to install six AA sized batteries Final Product Congratulations You ve finished assembling your TI RSLK Max Figure 24 Final Product image ...

Страница 17: ...Construction guide 17 Texas Instruments Robotics System Learning Kit The Solderless Maze Edition SEKP164 LaunchPad Preparation not needed if you purchased the kit ...

Страница 18: ...oard One 2x19 female to male header And one 2x1 female to male header Soldering iron Solder Both of the headers mentioned above can be found by going to www ti com rslk Figure 1 Needed Items 2 1 Install 2x19 header onto the LaunchPad Insert the 2x19 header into the corresponding set of 2x19 vias at the far edge of the LaunchPad board marked as J5 Figure 2 The header pins need to be inserted from t...

Страница 19: ...ector of the LaunchPad Insert the 2x1 header into the two vias furthest away from the MicroUSB connector next to the via labeled as TP107 Figure 4 The header pins need to be inserted from the underside of the board similar to the other headers that are already soldered to the board Now solder these pins to the board Figure 5 Figure 4 Insert the 2x1 header Figure 5 Solder the 2x1 header ...

Страница 20: ...ze Edition SEKP164 2 3 Remove the 5V jumper Lastly it s important to remove the 5V jumper from the LaunchPad to prevent damage to the robot Figure 6 Figure 6 Remove the 5V jumper to prevent damage to the TI RSLK Max Congratulations The LaunchPad is now ready for use with the TI RSLK Max ...

Страница 21: ...Construction guide 21 Texas Instruments Robotics System Learning Kit The Solderless Maze Edition SEKP164 Disassembly guide ...

Страница 22: ...des the TI RSLK Max itself you will also need a Phillips head screwdriver to disassemble the kit Figure 1 Figure 1 Needed Items 3 1 Remove batteries and QTRX line following sensor The first step is to remove the batteries and the eight channel QTRX sensor array from the underside of the board The sensor board will simply slide out and away from the robot chassis Figure 2 The battery compartment wi...

Страница 23: ...chPad Next flip the robot over and remove the MSP432P401R LaunchPad mounted to the top of the robot With a moderate amount of force pull the LaunchPad board carefully and evenly so that the header pins of the chassis board do not get bent in the process You may need to use a slight rocking motion to keep the force even and controlled Figure 4 Figure 4 Remove the LaunchPad from the TI RSLK Max chas...

Страница 24: ...ll attached Pull the retaining tabs apart just enough so that the plastic motor casing is free to slide out Figure 5 and push from the underside of the robot to disconnect the motors from the chassis board and remove Figure 6 Repeat for the other side Figure 5 Pull the retaining tabs apart just beyond white plastic motor casing Figure 6 Push motor from underside of robot to remove ...

Страница 25: ...8 Figure 7 Unscrew two sets of bolts to remove both bumper switch boards Figure 8 Slide the bumper switch board forward and away from robot to remove 3 6 Remove the chassis board Lastly flip the robot over and open up the battery compartment You will need to remove the four bolts securing the chassis board onto the plastic chassis Figure 9 while inserting your finger into the battery compartment t...

Страница 26: ...y be useful to depress the springs with your fingers while using a screwdriver to push the chassis board away from the plastic chassis Figure 11 Figure 11 Compress the battery contact springs so they pass through Congratulations The chassis board is now free and ready for modifications or additions Figure 12 When you re ready to re assemble your TI RSLK Max please refer to the Construction section...

Страница 27: ...Construction guide 27 Texas Instruments Robotics System Learning Kit The Solderless Maze Edition SEKP164 Attaching the display OLED LCD ...

Страница 28: ...oard is still attached to the Romi plastic chassis please follow the Disassembly instructions section and or video to remove it 4 0 Needed Items To follow along with this section you ll need the chassis board along with a soldering iron solder and a 1x8 header Figure 1 The chassis board of the TI RSLK Max is pre wired to support one of the following three displays Sparkfun 10168 LCD with 84x48 res...

Страница 29: ...and 938 sections See Figure 2 Figure 2 Identifying the pins for the three optional displays Next insert the 1x8 header into the holes for the appropriate section with the shorter pins pointing down into the board and the longer pins and plastic portion resting on the top side of the board See Figure 3 Figure 3 Insert the 1x8 header into the pins matching your display Now flip the chassis board ove...

Страница 30: ...e OLED display will have the side of the board with the pins oriented towards the robot Figure 5 Correct orientation for putting the display onto the header pins With your display oriented in the right direction place the display so that the header pins protrude through the via holes and solder them to the board Figure 6 Figure 6 Solder the header pins once placed through the via holes as shown Co...

Страница 31: ...Construction guide 31 Texas Instruments Robotics System Learning Kit The Solderless Maze Edition SEKP164 ti com rslk ...

Страница 32: ...se resources are subject to change without notice TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource Other reproduction and display of these resources is prohibited No license is granted to any other TI intellectual property right or to any third party intellectual property right TI disclaims responsibility for...

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