Controlling LEDs using Serial Monitor in Arduino - (Experiment #8 - Get Started with Arduino)

Get Started with Arduino
Experiment # 8
Controlling LEDs using Serial Monitor in Arduino

Components Needed:
Arduino Uno
USB cable for arduino
3 LEDs (color: red, blue, green) - you can change the color if you want
3 resistors (220 ohms preferred) but you can use any value
breadboard
jumper wires

Arduino codes:

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#Serial_Monitor

[anjaliarve]

Thanks, I prepared my own code but the difference was you used "Serial.available() > 0" and I used "Serial.available()" only 😀

[donmarcedwinsilagan]

the project that I was tasked with is that I needed to type a word/string of texts like "red", "yellow", and "green". The code used in your project will only work for a single character. Can you help?

[alexmelinteanu]

Hi, can I use 6 band blue resistors to make a traffic light project?( Sorry Im new and I want to know if i would need to buy yellow resistor or fo the project with the ones I already have)

[cesarkuramoto]

nice work! by the way,
How can I run it using python?

[oceaners]

I'm having error

Arduino: 1.8.16 (Windows 10), Board: "Arduino Uno"





avrdude: stk500_paged_load(): (a) protocol error, expect=0x10, resp=0x00

avrdude: stk500_cmd(): programmer is out of sync

avr_read(): error reading address 0x0000

read operation not supported for memory "flash"

avrdude: failed to read all of flash memory, rc=-2

avrdude: stk500_disable(): protocol error, expect=0x14, resp=0x00

avrdude: stk500_disable(): protocol error, expect=0x14, resp=0x00

[hummaisghaffar]

Can we control relay module using arduino or serial monitor