Suppose I import the code into the chip and then disconnect the chip with my computer and use external power for Arduino such as a battery instead. Will the code work in this case? I want to connect the Arduino with the Air quality sensor MQ-135 and Bluetooth Module HC-05 in order to export the data to my phone mobilitily with an external power source. Please help me.
You can, but with sensors and Bluetooth, it will consume enough current that you have to be careful how you provide power. The Arduino itself can't provide enough regulated power for those, so it's advisable to have a separate voltage stepdown/regulator for the peripherals and/or Arduino.
The code will run as long as the Arduino has power.
What kind of voltage step-down/regulator can I use? Can I use the LM2596S one? And you mean that I need to have this module for every device on my board right?
There are more than one device using that IC. Please post links or technical specs for anything you talk about.
No, you don't usually need multiple converters, unless there are multiple voltages needed.
Actually, we need far, far more information about your project. Please update with details in a new post.
Also, I suggest changing the thread title to reflect your question, and requesting a moderator move this from "Installation and Troubleshooting", which it isn't, to a more appropriate sub forum.
Okay bro. This is the link to the LM2596S one on AliExpress you can see through: https://vi.aliexpress.com/item/33004374185.html?gatewayAdapt=glo2vnm. In the next comment, I will tell detail about my project.
Ok bro. Here is the link to the product I have mentioned on AliExpress, you can see this through: https://vi.aliexpress.com/item/33004374185.html?gatewayAdapt=glo2vnm. In the next comment, I will demonstrate detail about my project
Moved it for you, do not post where you did, it is not for questions about your project, if you can't download the simple blink sketch, then don't post where you did.
Fixed that.
That is the right idea. It would work for most circuits.
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