McGraw-Hill - The Robot Builder''''''''s Bonanza Part 5 pps
McGraw-Hill - The Robot Builder''''s Bonanza Part 5 pps
... Velcro (otherwise known by the generic term “hook-and-loop”). Get the kind with self-sticking adhesive backing. Put the hook material on one piece and the loop on the other. Press them together for ... at the servo top down, with the output shaft on the top). For the other servo, glue the plate to the left side. Be careful to align the plates on the servos so they ar...
Ngày tải lên: 10/08/2014, 04:22
McGraw-Hill - The Robot Builder''''s Bonanza Part 4 ppsx
... Base: 1 10-inch-by-10-inch plywood (3/ 8- or 1/2-inch thickness) Misc 1-inch-by-10/24 stove bolts, 10/24 nuts, flat washers Motor/drive: 2 DC gear motors 2 5- to 7-inch rubber wheels 1 1 1/4-inch ... should modify them by blunting the tip slightly (otherwise the tip may crack the plastic when it exits the other side). Continue the flute from the cutting lip all the way to...
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McGraw-Hill - The Robot Builder''''s Bonanza Part 6 ppsx
... with the old, run-of -the- mill batteries used in everyday applications. 15 ALL ABOUT BATTERIES AND ROBOT POWER SUPPLIES 189 Ch 15_ McComb 8/29/00 8:37 AM Page 189 Copyright 2001 The McGraw-Hill ... Lead-acid and gel-cell batter- ies can take an occasional “fast-charge”—a quickie at 25 to 50 percent of the rated amp- hour capacity of the battery. However, repeated quick-chargi...
Ngày tải lên: 10/08/2014, 04:22
McGraw-Hill - The Robot Builder''''s Bonanza Part 1 ppt
... it accordingly. The teleoperated robot of today is a far cry from the radio-controlled robots of the world’s fairs of the 1930s and 1940s. Many tele-robots, like the world-famous Mars Rover Sojourner, the ... legged robot. First, there is the question of the number of legs and how the legs provide stability when the robot is in motion or when it’s standing still. Then...
Ngày tải lên: 10/08/2014, 04:22
McGraw-Hill - The Robot Builder''''s Bonanza Part 2 pptx
... assortment of the small PC-mount pots (about 80 cents each retail) in the 1-megohm and 2.5K-, 5K-, 10K-, 50 K-, 100K-, 50 0K-, and 250 K-ohm values. You’ll find that 50 0K-ohm and 1-megohm pots are ... Get the plain stuff: it’s 10 to 25 percent cheaper. Two particularly handy stocks are 41/64-by-1/2-by-1/16-inch channel and 57 /64-by- 9/16-by-1/16-inch channel. I use these extensiv...
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McGraw-Hill - The Robot Builder''''s Bonanza Part 3 pot
... wire-wrap IC sockets to the board and insert the com- ponents into the sockets. Bend and cut the leads so they fit into the socket. If the compo- nent is large or wide, use a 2 4-, 2 8-, or 40-pin ... in dual in-line packages (DIPs), as shown in Fig. 5. 6. The illustration shows several sizes of DIP ICs, from 8-pin to 40-pin. The most common are 8-, 1 4-, and 16-pin....
Ngày tải lên: 10/08/2014, 04:22
McGraw-Hill - The Robot Builder''''s Bonanza Part 7 pot
... 221 ■ The 328K provides an adjustable output to 5 volts, with a maximum current of 5A (amperes). ■ The 78H05K offers a 5- volt output at 5A. ■ The 78H12K offers a 12-volt output at 5A. ■ The 78P05K ... design in either of two ways: ■ Reduce the height of the robot to better match the area of the base, or ■ Increase the area of the base to compensate for the height o...
Ngày tải lên: 10/08/2014, 04:22
McGraw-Hill - The Robot Builder''''s Bonanza Part 8 docx
... high-power jobs, the NPN tran- sistor that’s almost universally used is the 2N3 055 (get the version in the TO-3 case; it handles more power). Its close PNP counterpart is the MJ2 955 (or 2N2 955 ). ... travel speed once the robot is all put together may be lower than this. The heavier the robot, the larger the load on the motors, so the slower they will turn. Round...
Ngày tải lên: 10/08/2014, 04:22
McGraw-Hill - The Robot Builder''''s Bonanza Part 9 ppt
... mounting the shaft encoders on the motor shafts, mount them on the wheel shafts (if they are different). The number of slots in the disk determines the maximum accuracy of the travel circuit. The ... You can use the 55 5 timer wired as an astable multivibrator, or make use of a control line in your computer or microcontroller. When using the 55 5, remember to add the 0...
Ngày tải lên: 10/08/2014, 04:22
McGraw-Hill - The Robot Builder''''s Bonanza Part 10 pptx
... servo. You can use the venerable 55 5 timer IC to provide the required pulses to a servo. Fig. 20.7 shows one common approach to using the 55 5 to control a servo. In operation, the 55 5 produces a signal ... place. Attach the riser to the baseplate of the robot using 1-inch-by-3/8-inch corner angle irons. As usual, use 8/32 by 1/2-inch bolts and nuts to secure the riser...
Ngày tải lên: 10/08/2014, 04:22