... 2012 Trademarks Editor-in-Chief Greg Wiegand Acquisitions Editor Michelle Newcomb Development Editor Todd Brakke Managing Editor Sandra Schroeder Project Editor Seth Kerney Copy Editor Barbara Hacha ... wanted to share and nowhere else toit If you want to write about knitting beanies for baby bunnies, more power to you Just it When my friends have told me they wanted to blog, I always start with ... you will know enough tostart your own blog and how to structure itto suit your niche How to Use This Book I’ve written this book so that Chapters 1–5 give you the tools tostart blogging, but...
... Recognition Style Speech Recognition Circuit Circuit Construction Keypad To Train Testing Recognition Error Codes Clearing the Trained Word Memory Independent Recognition System Voice Security System ... Building a Walter Tortoise Drive and Steering Motors Modifying the HS425BB Servomotor Sheet Metal Fabrication Shell Finding the Center of Gravity Attaching Bumper to Robot Base Bumper Switch Mounting the Steering Servomotor ... of microcontroller from Microchip Technology Inc. In addition to its ability to run programs, the microcontroller has input and output lines (pins) that are used to control motor drive systems, read sensors, ...
... $75.00 and removes the restrictions imposed in the Lite version This standard version allows you to write programs with an unlimited amount of code lines and to open an unlimited amount of source files Of course, unlimited means with respect to the limits of your computer’s capabilities ... CodeDesigner has many useful features that help you write code and that make it far superior to using a simple text editor CodeDesigner Features ■ ■ ■ ■ ■ ■ AutoCodeCompletion CodeDesigner makes writing code much easier with smart popup list boxes that can automatically fill in statements and param ... command brings one up a single level in the directory hierarchy Using the cd\ command brings one up to the root directory regardless of how deep (levels) one has moved into subdirectories The root directory is the top of the directory hierarchy...
... changing directories, and starting the Edit program In this example I will be using the free Edit program package with Windows to write the program Start Edit by typing Edit at the command prompt (see ... Programmer in EPIC subdirectory Figure 4.10 Hitting OK to confirm selection 30 CodeDesigner 31 With the CodeDesigner options set, we are ready to write our first program First Program Start CodeDesigner and enter the following code for the PicBasic compiler ... ‘Loop backrepeat cycle blink & wink forever CodeDesigner defaults to writing code for the PIC 16F84 microcontroller This is the microcontroller I recommend tostart with To change the microcon troller, simply ...
... The breadboard on the right is similar but provides a larger prototyping area If you wish to make any circuit permanent, you can transfer the components onto a standard printedcircuit board and solder it together with the fore ... electronic components onto it without solder The breadboard is reusable; you can change, modify, or remove circuitry components from the breadboard at any time This makes it easy to correct any wiring errors ... program into the PICmicro chip When it is finished, the micro controller is programmed and ready to run You can verify the program if you like by hitting (or highlighting) the Verify button...
... If we want to turn on the LEDs connected to RB2 and RB6, we need to place a binary 1 at each bit position on port B reg ister To accomplish this, we look at the bit weights associated with each line ... or write to the port, using a port B address (decimal number 6) Here is an example Suppose we want to make all port B lines output lines To do so, we need to put a binary 0 in each bit position in the TRISB register ... we look at the bit weights associated with each line RB2 has a bit weight of 4, and RB6 has a bit weight of 64 We add these num bers (4 � 64 � 68) and write that number into the port B register When we write the number 68 into the port B register,...
... Building a Walter Tortoise We can imitate most functions in Walter’s famous tortoise My adaptation of Walter’s tortoise is shown in Fig 8.1 To fabricate the chassis, we need to do a little metalwork ... A pulse width of 2 ms will cause the servo motor to turn in the opposite direction There are two ways we can stop the servomotor from rotating The first method is to simply stop sending pulses to the servomotor The second method ... First drill the four (1�8in) holes for mounting the servomotor Next use the same drill bit to drill holes along the inside perimeter of the servomotor cutout Removing metal in this way is a little easier than trying to saw or nib ble it away...
... servomotor in its center position: start: pulsout portb.1, 150 pause 18 goto start The output pulse signal for the servomotor is taken as pin RB1 Once the ser vomotor is in its center position, ... if v2 > 230 then slp 123 ‘Is it dark enough to sleep? ‘Yes The opposite of sleep mode is the “too bright to live.” If the light becomes too intense, this triggers the avoid mode ‘Is it too bright to see? skp: ... ‘Reduce range of s1 to 1 to 255 ‘Set lower limit ‘Set upper limit Start counter ‘Steer (turn) in a random direction ‘Reverse drive motor (slow) ‘Pause to send instructions at 50 Hz ‘Loop ‘Steer back to center...
... sided tape is cut lengthwise to fit the base of bracket to the gearbox motor The exposed side of the tape is immediately secured to the gearbox motor bracket Then the motor is positioned on the bottom of the vehicle base, ... Back wheels The shaft diameter of the gearbox motor is a little too small to make a good friction fit to the rubber wheel To beef up the diameter, cut a small 1 to 1.5 in length of the 3mm tubing; see Parts List ... components to a PC board The circuit is pretty straightforward The gearbox motors require a power supply of 1.5 to 3.0 V Rather than place another volt age regulator into the circuit, I wired three silicon diodes in series off the 5V...
... Keep the leg attached to the horn Apply power to the servomotor and connect the control line of the servomotor to RB4 This will center the servomotor’s rotational position Now reattach the servomotor horn to the servomotor, ... the hexapod robot to walk properly To aid in this positioning look at Fig 10.9 The numbers next to the leg positions represent the pulse width output signal for the servomotors The circuit we will use to control and power the hexapod walker may also be ... ‘Servomotor configuration ‘Left leg(s) servomotor connected to rb4 ‘Right leg(s) servomotor connected to rb5 ‘Center tilt servomotor connected to rb6 ‘Pulse width out signals for following servomotors:...
... 1/4W resistor 181 182 Chapter Eleven (1) 330�, 1/4W resistor (8) 220�, 1/4W resistor (1) 100k�, 1/4W resistor (1) 0.1�f capacitor (1) 100�f capacitor (1) 0.0047�f capacitor (2) 10 to 22pF capacitor ... This binary (BCD) information is shown on the speech circuit’s twodigit digital display Whenever a word is detected, the cir cuit uses the digital display to output the word number it has recognized, or else it outputs its unrecognized/error code ... meaning that the voice that trained the circuit also uses itTo experiment with speakerindependent recognition (multiuser), try the following technique Set the WD jumper on the main circuit board to the 40word vocabulary with a...
... meaning that if you forcibly rotate the servomotor’s shaft away from its control signal command position, the servomotor circuitry will read this as a position error and will increase its torque in an attempt to rotate the shaft back to its command position ... goto start min1: b1 = 75 goto start ‘Routines for servomotor 2 left2: b2 = b2 + 1 if b2 > 254 then max2 goto start right2: b2 = b2 1 if b2 254 then max3 goto start right3: b3 = b3 1 if b3
... ‘Initialize servomotor variables b0 = 150 b1 = 150 b2 = 150 b3 = 150 b4 = 150 Start up position servo 1 Start up position servo 2 Start up position servo 3 Start up position servo 4 Start up position servo 5 ... ‘Initialize servomotor variables b0 = 150 Start up position servo 1 b1 = 150 Start up position servo 2 b2 = 150 Start up position servo 3 b3 = 150 Start up position servo 4 b4 = 150 Start up position servo 5 ... goto start ‘Routines for servomotor 2 left2: b1 = b1 + 1 if b1 > 254 then max1 goto start right2: b1 = b1 1 if b1
... Servo # To Servo # To Servo # To Servo # To Servo # To Servo # To Servo # To Servo # 13 12 11 10 18 17 VDD RB7 RB6 RB5 RB4 RB3 RB2 RB1 RB0/INT MCLR R1 4.7 KΩ ’ Reset Switch X1 OSC1 OSC2 RA4/TOCKI ... There will be slight variances in your servomotor positions as compared to my prototype due to small variances in the construction You only need to add or remove one line in the entire program to make adjustments, and the line is: goto hold ... 255 depending upon its tonality (grayness) After the computer assigned num bers to each 11,440 pixels, it transformed the basic image into a numbered representation it needs to “look” at the image...
... When you first run the robot, you may want to have it lifted so the wheels don’t touch It s a lot easierto check operation and function without having to run after the robot Use the experience you gained with object/targets using pro ... Number of pixels in area—capped at 255 It s time to choose an object/target if you haven’t done so already Program 2 needs an object to lock onto, too When the microcontroller runs, it displays information on the LCD screen ... serout portb.0,4,[254,1,“ ”,#x] goto main Here are the pulse width numbers I needed for the servomotors I used in my prototype robot Function Right servomotor Left servomotor Stop 167 169 Slow backward...
... vision and courage to persevere, to take two steps forward and then maybe one step back, to keep the faith and to make it happen Thanks largely to them, a trial-and-error approach to implementing ... characteristics: It s a series of functions, not merely material requirements planning It contains tools to address both priority and capacity, and to support both planning and execution It has provisions ... Japan, and it was truly revolutionary In this country we’ve called it Just-In-Time (JIT), and more recently it has evolved into Lean Manufacturing.1 As with most new tools and processes, its early...
... And, if you it right, you can get it done in nine to twelve months Part of doing it right is to avoid “scope creep,” i.e., laying non-critical tasks into phase I It s necessary here to adopt a ... fact, it may be the most important element of all ERP simply won’t work well without it Because it involves relatively few people and does not take a long time to implement, it makes sense tostart ... then, people said: It should work We really believe it ll work It stands a good chance of working It certainly ought to work Pareto’s law refers to the principle of the “vital few—trivial many.”...
... high-priority project(s) Audit/assessment I and its companion, audit/assessment II, are critically important to ensure that the improvement initiatives to be pursued by the company: • match it s true ... is easy to skip It s easy to feel that it takes more time and effort than it s worth Not true The reverse is actually the case: It s not much work, and it s worth its weight in gold It s an essential ... Business School Press, Boston, MA ii Ibid i TE AM FL Y Chapter Getting Ready AUDIT/ASSESSMENT I This step gets at questions like these: It takes too long to respond to competitors’ moves How can we...
... the people It s people who’ll make it work Education is fundamental to making it happen It s teaching the people how to use the tools, and getting them to believe they can work with the tools as ... floor to solve a critical production problem; the customer service manager may need to meet with an important new customer who’s come in to see the plant; the purchasing manager may have to visit ... individuals in key positions, difficulties with the software supplier, etc.) The Torchbearer The term torchbearer refers very specifically to that executive with assigned top-level responsibility for ERP...