arduino trackball

, this method is automatically called to handle the event. In this case, motionevent. the value of getaction () is motionevent. action_down: If you need to process the screen-pressed event in the application, you only need to re-call the callback method and then judge the action in the method.Screen lift: The event triggered when the touch pen leaves the screen. The event also needs to be captured by the ontouchevent method, and then the action is judged in the method. When the value of motionev

Ctrl + F11. This is a very useful and commonly used shortcut key. Almost all applications are subject to Layout changes in the screen direction. When developing programs, you must test the compatibility of the screen direction. Cell Networking On/Off mobile network switch) The mobile network mentioned here refers to the GPRS/3G data network, which does not affect the GSM network. This shortcut key is very useful for writing network-based applications and can be used to test abnormal network int

Original Address-Https://www.arduino.cc/en/Tutorial/DimmerLight dimmerThis example shows how to send data from a PC to the Arduino/genuino Development Board to control the brightness of an LED. The data is sent in separate bytes, with a range of 0 to 255 for each number. The program reads these bytes and uses them to set the brightness of the LEDs.Hardware requirementsArduino or Genuino Development Board Led 220 Ohm ResistorSoftware RequirementsProces

read MPU6050 data under Arduino Reference: http://diyhacking.com/arduino-mpu-6050-imu-sensor-tutorial/ hardware Arduino uno or Arduino mega2560 MPU6050 sensor (GY-521 or GY-9150) DuPont line several connections Note: If you use Arduino mega2560

How to generate an analog outputFrom a in-built PWM of Atmega 32AVR Microcontrloller?You need a resistor, a capacitor and an opamp.Opamp is isn't really necessary when you are driving a mosfets, but would make life a bit easier.Just be aware, the this DAC would be quite noisy or/and slow.The bigger cap/resistor values, quiter and slower the output.Another thing to being aware is so you better use 16bit PWM, as 8 bit PWM would give you only discrete values-That could is enough or too coarse, depe

use the same API to manipulate different devices, and the list of these devices is growing, including leap motion,pebble watches, Arduinos and Raspberry PiS and more.Arduino YUNThe Arduino YUN is the latest new column of the Arduino release wireless offering, incorporating the Arduino architecture and Linux systems, which the

: 0px;padding-left:0px;background-image:none; "alt=" image "src=" http://images.cnitblog.com/blog/139239/201410/ 141121004987866.png "border=" 0 "/>Cylon.js is a JavaScript framework for robotics and IoT development. Cylon.js allows developers to use the same API to manipulate different devices, and the list of these devices is growing, including leap motion,pebble watches, Arduinos and Raspberry PiS and more.Arduino YUN650) this.width=650; "Width=" 661 "height=" 489 "title=" image "style=" bor

Intel Galileo Gen 2 Machine Road In fact, the first time I heard to make this board when I was refused, because, you can not let me, I immediately go to engage, the first I want to try, because I do not want to put some special stunt up, board "crashed" a bit, very good, very good, so that people will scold me, there is no such board, To prove that the Intel board is fake. Later I also confirmed that they are really good, I used about a day, I feel good, and then I was engaged in the ti

0x00 What is ArduinoArduino is actually a development board, the microcontroller and the necessary components integrated into a circuit board, expand the perfect interface and pins, you can connect a variety of sensors, complete the design of your mind, you can also understand it as an electronic building block, because it does not need to weld, Also does not need the advanced radio knowledge, only needs the programming foundation and the basic circuit knowledge.Arduino does not need to know the

to test abnormal network interruptions. Keyboard F8 ing F8 Code profiling I do not know why-.-, the shortcut key F9. F9 (only with-trace startup option) Fullscreen mode (Full Screen mode) It is useless. It may be helpful for games with relatively fine testing images. The shortcut key is Alt + enter. Trackball Mode) This is a very useful function. After pressing F6, you can enable the trackball