Hacking Roomba - Tod E Kurt Part 8 ppt
Hacking Roomba - Tod E.Kurt Part 8 ppt
... a few of these embedded Ethernet devices designed to add TCP/IP and Ethernet capability to an existing device. The two devices focused on in this chapter are the SitePlayer Telnet by NetMedia ... complete description of getting the SitePlayer Telnet on the network, see the SitePlayer Telnet manual. F IGURE 1 1-1 0: Configuring the SitePlayer Telnet serial port More Complex Interfacing Chapt...
Ngày tải lên: 10/08/2014, 04:21
Hacking Roomba - Tod E.Kurt Part 1 pot
... vacuum cleaner is very inexpensive at under $300 for even the most expensive Roombas and $150 for the least expensive. The cheapest new Roombas can be found for around $100 on the Internet. For ... Data Kurt, Tod E. , 1969– Hacking Roomba / Tod E. Kurt. p. cm. ISBN-13: 97 8- 0 -4 7 0-0 727 1-4 (paper/website) ISBN-10: 0-4 7 0-0 727 1-7 (paper/website) 1. Robots—Prog...
Ngày tải lên: 10/08/2014, 04:21
Hacking Roomba - Tod E.Kurt Part 2 pdf
... Sensors The most commonly used internal sensors are the wheel-drop sensors. All three wheels have a microswitch that detects when the wheel has extended down. In the case of Roomba, these wheel drops ... interrupter. An optical interrupter is a simple LED and photodetector pair: the LED shines and the photodetector detects the LED’s light. When something (an interrupter) is inserted between...
Ngày tải lên: 10/08/2014, 04:21
Hacking Roomba - Tod E.Kurt Part 3 pdf
... Serial Interface Tether Getting Ready Figure 3-6 shows the parts needed all laid out. From here you can see the difference between the Mini DIN cable (round ends) and the DB9 cable (flat ends). ... cable lines, generally the longer the cable, the larger the capacitors will need to be. And in RS-232, long means several hundred feet, not the 10-feet cable you’ll be using here. Maxim will help...
Ngày tải lên: 10/08/2014, 04:21
Hacking Roomba - Tod E.Kurt Part 4 potx
... lights, the multimeter should read 5V. When Vpwr is verified, check all the pins of the BlueSMiRF header receptacle. Pay particular attention when testing the voltages in the header receptacle. It ... need degrees/s. To convert it, you need to figure out how many millimeters per degree in the circle the Roomba is moving around: mm/degree = (2 58 mm × pi) / 360 = 2.2515 mm/degree Then to ge...
Ngày tải lên: 10/08/2014, 04:21
Hacking Roomba - Tod E.Kurt Part 5 potx
... value in the sensor data is the difference in the distance traveled by each wheel. Specifically, it is the right wheel difference minus the left wheel difference. This difference describes a ... the center point between the two wheels. It’s as if the wheels are moving partially along a circumference determined by the distance between the wheels. If this sounds a lot like that millimetersPerDe...
Ngày tải lên: 10/08/2014, 04:21
Hacking Roomba - Tod E.Kurt Part 6 pot
... accompaniment to the melodic lead of the beeper. Piezo Beeper The sound-generating device that plays the Roomba tunes is called a piezo beeper. The beeper is similar in function and sound to most other ... noise. Piezo speak- ers are also used as the tweeters in some audio speakers. The piezo crystals can also be used in the opposite way. If you flex or squeeze a piezo (from the greek pieze...
Ngày tải lên: 10/08/2014, 04:21
Hacking Roomba - Tod E.Kurt Part 9 pps
... her coffee maker on the Net. The tools and techniques learned for a wired network adapter carry over to a wireless one. For a mobile device like Roomba, it makes less sense because the cable ... an embedded Internet device server to an existing system. Adding Internet connectivity to stationary domestic objects with Ethernet is relatively cheap and simple. Everyone should experiment ... to s...
Ngày tải lên: 10/08/2014, 04:21
Hacking Roomba - Tod E.Kurt Part 10 pot
... then you need to purchase a PIC programmer to burn the chips. And even when you have it all hooked up, the cycle time between write- compile-burn-use is long because it doesn’t work as seamlessly ... RCTIME needs. Because capacitors, resistors, and photo- cells all have widely varying tolerances and are temperature sensitive, the values returned from RCTIME cannot be used as absolute values,...
Ngày tải lên: 10/08/2014, 04:21
Hacking Roomba - Tod E.Kurt Part 12 potx
... router, Newegg N8 2E1 683 3124057 Ⅲ Creative Instant Webcam, or equivalent, Newegg N8 2E1 683 0106120 Ⅲ USB flash drive, any capacity, Newegg N8 2E1 682 0211027 Ⅲ USB hub, 4-port travel size, Newegg N8 2E1 681 7201604 Ⅲ ... over the years. Unfortunately none of them seem to use the USB video device class, so each webcam must have a separate driver instead of them all using a general driver. I...
Ngày tải lên: 10/08/2014, 04:21