In this circuit the cathode of LED is connected to the ground and it's anode is connected to a 220 ohm resistor. As the excess current can burn out the LED, hence to limit the current through LED we ...

In this project we are going to interface RGB (Red Green Blue) LED with Arduino Uno.A typical RGB LED is shown in below figure: The RGB LED will have four pins as shown in figure. PIN1: Color 1 ...

a = arduino( ‘COM5’ , ‘uno’ ) 5. After entering the above command, MATLAB will try to communicate with your Arduino, if successful, MATLAB will display the properties of Arduino board connected to PC.

Circuit diagram for interfacing of KY-008 laser LED module with Arduino is shown in Fig. 2. Fig. 2: Circuit diagram for interfacing laser LED module with Arduino. Connect pins 7 and Gnd of Arduino to ...

Arduino UNO: The Arduino Uno is based on the ATmega328P microcontroller and is a popular choice for beginners and experienced makers alike. It features a simple and easy-to-use design, making it ...

I did something similar with an Arduino Due, with a step stick to control the stepper motor for disks that had the donut come loose from the metal hub (3.5″ disks). Glueing it back made it spin ...

You may refer to how to interface the KY-008 laser module with Arduino. This link gives not only pin connection details but also Arduino code. You can also interface SF02 module directly with Arduino.

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