it has been a great success.In order to make scratch with the Gpio interface of the Raspberry Pi, the first thing you have to do is to open the program, enter the editing interface, choose to start the Gpio server. Then you can use the broadcast block to identify the Gpio interface you want to use. In the above, these two broadcast blocks point to Config19out and Gpio19on respectively. And the Gpio 19 is pointing to the red LED light.For more information on how to connect scratch to the Gpio in
also a 5.2-section connection method.Notice how the expansion board and mega are connected. The expansion board does not have a pin foot on this head and the mega does not have a pin pin on one side, the expansion board 0 pin Pin and the Mege 0 pin pin coincide, as shown in the Yellow line in the figure.6.5 TestingUpload the program to the Development Board, you can observe the motor forward, speed from slow to fast, and from fast to slow.Then the motor turns backwards, from slow to fast, and f
Citation: http://www.open-open.com/lib/view/open1396580186465.htmlTake the open source code as an example and teach you to enter the open source world.1, first login to the https://github.com platform to register a own account, this process will not demonstrate2, then enter the name of an open source project in the upper left section, select Jvalidator, enter search.3. On the Search results page, locate the following items, and click the project name.
The weather is always easy to arouse people to go out of the desire to walk out of course not to take pictures, but the default effect of mobile phone photos placed on the screen always feel not good enough, we will now learn a quick way to improve the saturation of photos:Methods: Two layers were copied with PS, and the superposition method was changed to filter color and multiply bottom.Like this picture:At first glance is already very good, but defects are also very insufficient: the color of
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Current Location: Barcode Control net > Barcode Control Technical Articles > > body teach you to read Code128 barcode publishing time:2014-10-28 Code128 code into three categories, i.e. 128A, 128B, 128C. The difference is that the corresponding character map is not the same. So how do you read Code128 yards? Ta
Step by step teach you how to build the node. js service under win7
What is node. js? Return the server-side JavaScript? In this articleArticleIf you do not want to explain it, you can search and find out that server-side JS is not a new technology, but a recent node. the popularity of JS broke out. I will explain what node is in a later article. JS. Here is just a pure setup, even the environment is not available, but what server-side JS is playing,
library for application development-General description and data definition, for data object model definition files, documents, DDL scripts download: Workshop.
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The password for an Excel document is the most complex of all Office products, with the most password types and also involves a high-fidelity VBA password. Naturally Excel Password Cracking Tool Results dialog box is also slightly more complex, the user may not understand the content, the following will teach you how to quickly understand the Excel password Cracking tool Results dialog box. Interpreting Excel Password Cracking tool Results dialog box
password of the broadband router, it is not without play, I randomly selected five LAN for testing, all is the default password, it seems to set the default password probability is full high. I analyzed the reason: One, may be broadband routers can only be connected by the intranet, the administrator of their lack of awareness of the security. Second, the computer users in the intranet are rookie, do not need to make security settings. Third, the administrator slack, did not take it seriously.
Sometimes, we copy the CD-ROM program to a USB stick or hard drive, because it is not to go anywhere with a CD-ROM, or the laptop computer has no optical drive at all. However, the installation CD in the program or after the installation of the run, you will be prompted to "please put the disc, and then run again", if you do not insert the disc, there is no way to continue to run:In this case, we need two steps to solve the problem:1. Creating an ISO imageInsert the disc, open the Software "ultr
This afternoon was a blank circle of friends to brush the screen. Blank Circle of Friends is also in the circle of friends to send empty messages, no pictures and no text, friends circle dynamic is empty. Who is this prank? How to achieve it?How to send a blank message? In fact, this is to help you identify the side of the small partners with iOS.How did that come true? Here's a little tutorial:The simple summary is: Press and hold the send, then delete the content, and then release the SendAll
parameter of the isinnet must be IP and cannot be a host name. Therefore, the host name needs to be converted to IP. For example "isInNet (host, Dnsresolve (www.google.com)," 255.255.255.0 ")" Here, should be able to solve your problem. "A PAC file can be used with JavaScript functionsOf course, PAC is more than that simple, it also provides a lot of other functions, in this article is not described in detail. The JavaScript functions that can be used in the PAC proxy file are listed in Http://
Teach you how to conveniently use electronic face printingAre you using the E-form now? will not feel easy to use when using the sub-surface sheet? Let me show you how to use the kd118 e-form: 1. Select Click "Print", and then select "Add", enter the new Express Information interface Page 3. According to fill in the Courier form, fill in the shipper information, pay attention to the form of the city of origin: xx province xx xx District/County 4. Sele
are in use, and whether there are appropriate controls.L Determine how assets, data are accessed, and how they are stored.L Use existing security controls to identify past and current threats to establish benchmarks for current threat activity. Once established, you will then identify the industry's threats to similar assets you hold.L assess these threats and then assign the corresponding risk levels. These threats and risk levels should be taken into account when designing networks and other
;Control the I/O pin level changes by sending a text message with the specified mobile phone number.The SMS format is as follows: (only features in the product model define non-single network channel device support)Smsioctrl:pinx:y; Pinx:y;The X value range is 1~6, which represents the I/O pin number of the controlThe Y value range is 0~1, which indicates the level of the control pin. 1: High; 0: Low.A text message can have 1 or more pinx:y, the operation I/O instructions.send with the above com
the language, and need to know something more detailed and deeper, which may involve performance and memory refinement;So look at this kind of books are generally some project experience of the people, then the way to see the book is the benevolent see, no longer tell;4) Project CombatThis kind of books are generally very thick, a bit like a dictionary, so, look at this kind of book, is the catalogue, then nothing to look at when, because this type of book is suitable for use as a dictionary,So
-rebase, Rebase will be triggered before, you can use this hook to reject all the already push commits for rebase operation.6 Post-merge, this hook will be triggered when the merge succeeds.7 Pre-push, when push, remote refs is updated, but is triggered before all objects are transmitted.8 PRE-AUTO-GC, which is triggered before Git GC--auto executes. It's nice to do some verification or backup before garbage collection.ServerSide Hooks:1 pre-receive, which is executed before the push action is r
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