Arduino

Arduino is a convenient and flexible open source electronic prototype platform.Including hardware (various models of Arduino) and software (Arduino IDE). 
Arduino can sense the environment through a variety of sensors, controlling the lighting, motor and other devices to feed back and influence the environment.
These are some of arduino products in our company.
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9.Arduino learning notebook--Photocontrolled LED experiment

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9.Arduino learning notebook--Photocontrolled LED experiment
Juvtmall ( a company supply PCB Prototyping, PCBA service and sell kinds of components, modules and so on) ( Catduino has the same function of Arduino)
The photosensitive resistor is also called the light pipe, and the commonly used materials are cadmium sulfide, as well as selenium, aluminum sulfide, lead sulphide and bismuth sulfide.These materials have a characteristic in which the resistance of the fabric is rapidly reduced at a given wavelength from the light. This is because the carrier of the light is involved in the conduction, in the role of external electric field drift movement,so that the resistance of the photosensitive resistor decreased rapidly.
The working principle of photosensitive resistance is based on the internal photoelectric effect.At both ends of the semiconductor photosensitive material, the electrode wire is installed, which is encapsulated in the tube shell with a transparent window to form the photos…
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19.Arduino learning notebook--Atmega8 makes the minimum arduino system

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19.Arduino learning notebook--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 capacitors One key, One breadboard and some connected wires.
Let's look at this chip


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17.Arduino learning notebook - stepper motors experiment

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17.Arduino learning notebook - stepper motorsexperiment

Juvtmall ( a company supply PCB Prototyping, PCBA service and sell kinds of components, modules and so on) ( Catduino has the same function of Arduino)

Stepper motor is an actuator that converts electrical pulse into angular displacement. This is the stepper motor used in this experiment

Thestepper motor used in the industry is different from this experiment, the following schematic two different types of industrial stepper motor.



Must take a careful look at the instructions before using stepper motor, confirm the four phase or two phase, how to conne
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