kits community projects and open source applications

... Trang 1Module 2 Open Source Applications and Licenses Trang 2This slide deck is for LPI Academy instructors to use for lectures for LPI Academy courses Exam Objective 1.2 Major Open Source Trang ... money with Open Source • Sell services, support, warranty • Work on features in exchange for money • Use Open Source in your day job/consulting • Use work time to fix/improve Open Source • Build ... An OSI license must allow the source to be open, to be modified, redistributed, and to be used by anyone for any purpose • BSD and MIT licenses allow you to use and redistribute software, or

Ngày tải lên: 30/01/2020, 03:17

... zones: check the X and Y values and compare them to each defined range, and if a match is found that button is considered to have been pressed The slide control isn’t much harder, and simply adds ... Arduino, plug in the USB connection to your computer, and run the example code previously described Open the serial monitor so you can see the X and Y values being reported by the Arduino Draw a ... that shows the range of X and Y values for each button (see Table 8-1) Trang 7Table 8-1 Example X and Y coordinates for button regions Button Xmin Xmax Ymin Ymax Drapes open 420 577 540 866 Drapes

Ngày tải lên: 03/07/2014, 20:20

... socket, and use a male-to-male RCA connection cable to reach your connected device Source code available from www.practicalarduino.com/projects/speech-synthesizer ech synthesis" to to understand ... commonly used to connect audio and video inputs and outputs together ck the ech to the audio are capable of onnect a regular evice that has to operate stand-alone and still provide voice feedback ... during soldering and also allows you to remove it t projects later if you want to The SpeakJet GND connection is on pin 5, and VCC is on pin 14 Link them direct ap VCC pin and GND is always

Ngày tải lên: 03/07/2014, 20:20

... increments) Five of the commands listed in Table 9-2 are two-byte commands The first byte sent i command itself, and the second X byte is the value for that parameter Sending a pair and then 56, would ... indicating that it has finished and is ready to receive commands nds listed below allow you to create any word you want your Arduino to say hose sounds mands and nt to the SpeakJet Because the ... associated parts, the 10K trimpot and the various resistors and capacitors, as shown in Figure 9-9 Finally, solder on the PCB-mount two-pin screw terminal to provide a handy connection for a speaker

Ngày tải lên: 03/07/2014, 20:20

... data, and then drip-feed the commands to it at a rate that can be spoken without overflowing the buffer. shi ect uses L cted to D0, D1, and D2 to visually indicate Ready, Speaking, and Buffer ... event is an important concept to understand because many devices use open-collector outputs, and interfacing with them is a common requirement in Arduino projects. In fact, it's such a common ... allophon within it. However, be aware that commands such as changes to pitch, volume, and rat bytes in the buffer: one to indicate the parameter, and one to indicate the value. With just 64 bytes

Ngày tải lên: 03/07/2014, 20:20

... to right on the LCD module, the ground and 5V lines obviously need to connect to GND and 5V on the shield RS and Enable then connect to digital I/O lines 9 and 8, respectively Data bits 4 through ... switch between command and data modes in the LCD We can't tie it permanently HIGH or LOW like the Enable connection because the LCD drivers use it to initialize the module and then send data ... (R/W), and 16 (backlight ground) together In most HD44780 displays you can simply tie pin 3 (contrast) to ground and the module will supply maximum contrast, with the text very crisp and easily

Ngày tải lên: 03/07/2014, 20:20

... plastic resin and has a standard 1/2-inch BSP thread on each end so it can be screwed into standard plumbing fittings Find the lead-in pipe for the water source you want to measure and have a plumber ... X and Y input to the oscilloscope and allowing two signals to be plotted against each other The classic classroom example is to attach the X and Y probes to two sine waves of equal frequency and ... eyes have been opened to a vast amount of information and understanding that was previously locked away out of sight Unfortunately, though, professional-quality oscilloscopes and logic analyzers

Ngày tải lên: 03/07/2014, 20:20

... label to the box and used a center punch and a small hammer to tap a dimple into the center of each hole location, then removed the stencil and drilled pilot holes for the LED and probe socket ... sockets for the signal probes, and tighten up the nuts to hold them in place We used RCA plugs and sockets in our prototype because they have a handy shield connection and are quite inexpensive However, ... input and will only be measuring digital logic levels, you don't need to care about shielding and can go for cheaper plugs and sockets Or you could do what many commercial logic analyzers do and

Ngày tải lên: 03/07/2014, 20:20

... water and a long hose running up and exiting the tank to provide an atmospheric pressure reference (see Figure 12-6) You’ll also need to pass the power and data cabling up through the tank, and ... above the 2.5V reference point and the low signal further below 2.5V The result is that the voltage difference between pins 1 and 7 on the outputs of op-amps 1 and 2 will be greater than the ... tank and 3V for a full tank, a variation of 2V So why bother with the bias to pull the “empty” value up to 1V and limit the gain to set the full value at 3V? Why not remove the “empty” bias and

Ngày tải lên: 03/07/2014, 20:20

... tubing through the cable gland mounted in the box until the transducer is in the correct place and is aligned with the spacers Bolt it in again, and tighten up the cable gland around the tubing enough ... and plug it in Trang 7CHAPTER 12 „ WATER TANK DEPTH SENSOR Figure 12-15 Arduino and cable gland mounted in box Adjust the cable length to leave a bit of slack looped around inside the box and ... from AsyncLabs, and the driver code from ZeroG Wireless Unfortunately, the driver from ZeroG Wireless hasn’t been released under a FOSS (Free / Open Source Software) license and therefore can’t

Ngày tải lên: 03/07/2014, 20:20

... the tank outlet and disconnect the pipe that attaches to it, and install a T- piece between the two. Then drill a hole through a blanking cap for a cable gland and screw the gland in place very ... outlet. When everything is nice and tight, open the stop-valve again and watch carefully for leaks. If you’ve done a good job everything should stay nice and dry and the water should stay in the ... sketches into the Arduino and connected the sensor cable, switch your multimeter to low-voltage DC range and connect the negative probe to the ground connection on the shield and the positive probe

Ngày tải lên: 03/07/2014, 20:20

... into Terminology Understanding Open Source Credit Unions and Open Source: An Analogy The Role of Open Source Licenses The Open Source Definition Different Types of Open Source Licenses 153 154 ... Intellectual Property and Open Source Other resources from O’Reilly Related titles oreilly.com Applied Software Management Hackers & Painters Open Sources Open Sources 2.0 Producing Open Source Software ... First Edition Nutshell Handbook, the Nutshell Handbook logo, and the O’Reilly logo are registered trademarks of O’Reilly Media, Inc Intellectual Property and Open Source and related trade dress...

Ngày tải lên: 21/02/2014, 15:21

... Command B.5.2 The man Command B.5.3 The ls Command B.5.4 The cp Command B.5.5 The mv Command B.5.6 The rm Command B.5.7 The cd Command ... TUNING OF SCIENTIFIC APPLICATIONS Edited by David Bailey, Robert Lucas, and Samuel Williams PROCESS ALGEBRA FOR PARALLEL AND DISTRIBUTED PROCESSING Edited by Michael Alexander and William Gardner ... ALGORITHMS AND APPLICATIONS Edited by David A Bader FUNDAMENTALS OF MULTICORE SOFTWARE DEVELOPMENT Edited by Victor Pankratius, Ali-Reza Adl-Tabatabai, and Walter Tichy GRID COMPUTING: TECHNIQUES AND APPLICATIONS...

Ngày tải lên: 19/03/2014, 14:10

... Perspectives on Open Source Josh Lerner and Jean Tirole II 47 The Evaluation of Free /Open Source Software Development Standing in Front of the Open Source Steamroller Robert L Glass Has Open Source Software ... Free /Open Source Software Development II The Evaluation of Free /Open Source Software Development III Free /Open Source Software Processes and Tools IV Free /Open Source Software Economic and Business ... 17 Shared Source: The Microsoft Perspective Jason Matusow V Law, Community, and Society 18 Open Code and Open Societies Lawrence Lessig 329 347 349 19 Legal Aspects of Free and Open Source Software...

Ngày tải lên: 11/06/2014, 15:25