A magical cat----Nine Tails Cat

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20.Arduino learning notebook--Use Arduino Duemilanove to download the bootloader to other chips

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20.Arduino learning notebook--Use Arduino Duemilanove to download the bootloader to other chips               Juvtmall  ( a company supply  PCB Prototyping ,  PCBA service  and sell kinds of  components, modules  and so on)  ( Catduino has the same function of Arduino)   In this experiment, we use Arduino Duemilanove to download the bootloader to the chip. Note: after testing this method of download ing the bootloader , we found that it only can be tested successfully on   using the 328P of  Arduino Duemilanove, Arduino nano . Material preparation: 1.A c ontrol board of Arduino Duemilanove/UNO/NANO 2.A 100 Ω resistance 3. Two 22p capacitors 4. A 16M Hz rystal Oscillator 5. One Atmega8 DIP packaging chip One key, One breadboard and some connected wires. First, open the arduino IDE, in the File's Examples, select ArduinoISP, compile the program, and download it ...
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19.Arduino learning notebook--Atmega8 makes the minimum arduino system

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19.Arduino learning n otebook-- Atmega8 makes the minimum  arduino system                        Juvtmall  ( a company supply  PCB Prototyping ,  PCBA service  and sell kinds of  components, modules  and so on)  ( Catduino has the same function of Arduino)   Atmega8 is the cheapest of the arduino's officially supported chips, so we'll take it to explain how to make the arduino minimum system on the breadboard. Prepare the material 1. One Atmega8 DIP packaging chip 2 .   One 16MHz Crystal Oscillator 3 . Two 22P capaci tors One key, One breadboard and some connected wires. Let's look at this chip A new chip needs to download the arduino's bootloader, which We use the official recommended USBtinyISP to download. Take a look at the pins of Atmega8 and ICSP pins + 5 v connects to VCC GND connect s  to GND D11, D12, D13 connec...
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14.Arduino learning notebook-ITG3200/3205 gyroscope sensor experiment

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14.Arduino learning notebook-ITG3200/3205 gyroscope sensor experiment   gyroscope                           Juvtmall  ( a company supply  PCB Prototyping ,  PCBA service  and sell kinds of  components, modules  and so on)  ( Catduino has the same function of Arduino)   I t is a device for sensing and maintaining direction, based on the theory of the immortal angular momentum.   The gyroscope is mainly composed of a wheel which can be rotated around  the axis.   Once the gyroscope starts rotating , the gyroscope has a tendency to resist the direction of change due to  the angular momentum of the wheel.   The gyroscope is used for navigation, positioning and other systems.   In 1850,in order to study the earth's rotation, French physicist J.Foucault discovered the rotor   of the high-speed rotation . B ecause of its inertia l  e...
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