NPK sensor connection with arduino || Fertilizer sensor || Bangla Tutorial

NPK sensor connection with arduino || Fertilizer sensor || Bangla Tutorial

[@chrislaaria5629]

Can the npk sensor be used directly to measure the nutrients in a water solution?

[@luqmanafridi3952]

May I get the program for this? I have the 7 in 1 sensor but it is giving FFFFFFFF output.

[@TechSpaceBD]

Check the connection properly.

[@bwjdkbxx]

Is there any setting for npk sensor ? i use esp32 and rs485 TTL

[@TechSpaceBD]

No, you can direct connect this with rs485

[@bwjdkbxx]

But why i dont get any value

[@bwjdkbxx]

Can you give me a coding

[@viniciusdemarchi50]

hello friend, I'm having the problem of returning FFFFFF in the serial output, can you help me?

[@TechSpaceBD]

Check the connection properly.

[@nj1204]

Soil NPK SensorHello, I have verified all connections between Arduino Uno, 485 and NPK sensor, also made sure NPK sensor's power wire is connect to 12V DC power source, the code also looks correct with the same address value as in the manual, but it still always gives 255 value for All N, P K values. Any suggestion how I could resolve it?

[@TechSpaceBD]

Have you used same npk sensor?

[@nj1204]

Yes the same bok sensor

[@ronaldmorrison2765]

Try replacing the MAX485 with a MAX3485.

[@KaserahDerive-xr4yp]

Links for the codes

[@MettuShivakumar]

please can you share code

[@chandankundu7167]

Code ta deya jabe?

[@TechSpaceBD]

Jbe, 01834897529. WhatsApp a nk diyen.

[@AnimeSpotPH]

Hello, link for codes plss

[@TechSpaceBD]

Will get very soon

[@bwjdkbxx]

Why i still get 0 value

[@TechSpaceBD]

If u got 0 value then it is ok, if u want see another value then u need some fertilizer or water mix with salt.

[@bwjdkbxx]

I already try with the fertilizer buy still get the same value which is 0