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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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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12.Arduino learning notebook--ADXL345 acceleration sensor experiment

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12.Arduino learning notebook--ADXL345 acceleration sensor 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)


 Today we are going to study another sensor: acceleration sensor.

What is the acceleration sensor?
The acceleration sensor is used to measure the force produced during the acceleration.The most basic is acceleration of gravity, which is 1g.
Where is the acceleration sensor normally used?
By measuring the acceleration caused by gravity, you can calculate the tilt Angle of the device relative to the horizontal plane.By analyzing the dynamic acceleration, you can get how does the device move.In the self-balancing vehicle, the acceleration sensor and gyroscope are used to correct the Kalman filter and the attitude correction.
The ADXL345 digital sensor used in this experiment, directly outputs digital signals through the I2C or SPI interface.At 1g acceleration, the output value i…
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