IoT Based Soil Nutrient Monitoring & Analysis System | Soil NPK + Moisture + Temperature

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About the Project:
In this project, we will learn about IoT Based Soil Nutrient Monitoring & Analysis systems using Arduino & ESP32. Soil is the base of agriculture. Soil provides nutrients that increase the growth of a crop. Some chemical and physical properties of soil, such as its moisture, temperature, soil nitrogen, phosphorous & potassium content heavily affect the yield of a crop. These properties can be sensed by the open-source hardware, and they can be used in the field.
In this project, a soil Nutrient monitoring & analysis system is proposed in which the farmer will be able to monitor soil moisture, soil temperature, and soil nutrient content like Nitrogen, Phosphorous & Potassium. The farmer can monitor all these parameters wirelessly on a mobile phone or the PC System.
To measure the Soil Moisture, we will use a Capacitive Soil Moisture Sensor. The temperature of the soil can be measured using the DS18B20 Waterproof Temperature Sensor. Similarly, in order to measure the Soil NPK Values, we will use a Soil NPK Sensor. All these sensors can be easily interfaced with Arduino.
We will use the Thingspeak Server to Monitor the data in graphical & numerical format. We need the GSM or WiFi network in the field to send the data to the server. But the agricultural field doesn’t have access to these networks. In order to solve this, we will use the NRF2401 Wireless transceiver Module to send the data from sensor Node to Gateway. The data from the transmitter can be transmitted wirelessly from a kilometer distance to the Receiver. The receiver is built using ESP32 WiFi Module, which has access to WiFi Network. Using this WiFi Network, the data can be uploaded to Thingspeak Server.
So, let’s build an IoT Based Soil Nutrient Content Analysis, Monitoring & Testing System simply using Wireless Sensors networks, Arduino & ESP32.
Source Code/Program + Library + Schematic: how2electronics.com/iot-based...
Purchase Links:
1. NPK Sensor: amzn.to/3rEHI8r
2. DS18B20: amzn.to/31wSanB
3. Soil Moisture Sensor: amzn.to/3m6Wljy
4. RS485 Modbus Module: amzn.to/2QUyJTV
5. Arduino Nano Board: amzn.to/39sqFzW
6. ESP32 Wifi Module: amzn.to/3ftqyYJ
7. NRF24L01: amzn.to/3m6ijDn
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Website: www.how2electronics.com
Facebook: / electronicsbyalex
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[@luqmanafridi3952]

I need to know why I get 3 rows of continuous FFFFFFFF and all parameters values as 255 mg/kg?

[@subasc]

IT was a very interesting Project. Just a question how do you read 2 NPK sensors on the Arduino Code. Do you have a sample of the code?

[@muzzamilsajjad3046]

I have an Temperature Humidity PH and EC sensor combined how can I find the register values

[@MadMagzzz]

Are there similar sensors that work in water?

[@imchey_17]

which algorithm did you use?

[@nitinkamble3753]

Hi, where can i draw and download circuit diagrams online

[@DBDalvi]

How many such sensors are needed for an acre of land?

[@aergiasloth2519]

Can I use bluetooth instead of wifi for this?

[@aruneshkumarsagar]

Hello , It was a Nice Project. Can You tell on which platform you have simulated all the Sensors and Arduino. Thanks 🙂

[@SatyendraKumar-kw5ui]

my data is not showing in Thingspeak Server can u help me out

[@anilyalameli527]

Which cast around this project ?

[@john-fh8un]

Sir how much area cover or range of this sensor

[@joshuamervinbatiancila170]

Do you have a full video for this research? I love to make it to help my father which is a farmer. If you have, can you tag me with it?

[@admin8784]

How many per sqm you need this sensor in a field?

[@pooja2488]

Can i get the full video of this project?

[@NaNi-hi6ve]

The system will suggest what plants should be plant ?

[@abrehamasegid]

where the simulation does

[@fredykurniawan461]

Can anybody tell me how the sensor NPK sensors worked?

[@thanhtranminh5962]

Can you expand this post? Use ESP 32 to report to the phone, measure the NPK if any type is missing, then open the valve to supply the missing type NPK. otherwise it's okay,

[@VirenJ640]

hi just can u tell him how much total cost did u get in this particular project???

[@amedeoleproni9056]

Please could you let me know what type of sensor the NPK sensor is? It is neither spectral nor optical? So which type is it?

[@DBDalvi]

Hi, Can you provide me a ready prototype of this device in working condition? How much would it cost? Please inform.

[@sallu21m]

Hello ... can we make only a soil moisture sensor that can send a sms once the mositure value falls below a particular level ??

[@BRSanush]

How much an npk sensor cost?

[@devilalg3974]

Thanks you so much for this video.

[@mramzadg]

informative video...

[@dipinadhikari9549]

Nice project.

[@mramzadg]

thank you sir...

[@balastudios4834]

Repeated this process and had really inaccurate readings and the it seemed as tho it wasn’t interfacing with the pulse sensor and the readings were coming back 0 or 255, seems like there’s some bugs in the code we triple checked wiring, code, & overall cannot figure if it’s a back sensor of if there’s more to the problem....?

[@Matias-rn9ff]

Did you figure it out? I'm having the same issue stuck at 255.

[@varnitgoswami5512]

Amazing

[@boopathi3391]

IOt based Detection and Monitoring of Volatile and Semivolatile pollutants in soil. I want this project video

[@the_click_bait3737]

Which software you have used for circuit making and if it is fritzing from where you got npk sensor part?

[@abrehamasegid]

also my question

[@mengking86]

Hi there.. the power source is a bit of headache for me dc 9v .. possible to use a battery which type?

[@HowtoElectronics]

Use a 11.2V Lipo Battery

[@cleomaegeyrozaga7705]

The npk that I bought didn't work so well. It always shows the 255 mg/kg. How will I work the sensor properly? I already use the 12 volts but it is still not functional

[@silentknight2930]

I have one error showing
Multiple libraries found Wifi.h
Agr/pgmspace.h no director found

[@jaamawaishayat5921]

Can I purchase whole project from you?

[@ManishKumar-yv9ht]

i am going to build this

[@electronic7979]

Nice project

[@life_racer8536]

can you please give me the coding file please its urgent

[@ranganatharanga3160]

What is the cost of this project?

[@RakeshKumar-ps3zv]

Cost

[@shuznut]

Cant we replace arduino nano board and esp32 module with node mcu?

[@HowtoElectronics]

Doesn’t work

[@explore_everything24]

Can u tell me how u gave power supply and in circiut diagrams u mentioned connections for NRF24L01 but in picture u gave connections to NRF24L01 PA LNA .Can u briefly give pictures with whole setup

[@explore_everything24]

Please respond fastly admin sir we have to project

[@rohitlama5375]

How do you power up the NPK sensor

[@hugodiazroa]

12v

[@EduardoHernandez-jm1xm]

If I need to read the ph do you have any sensor?

[@HowtoElectronics]

There is already a dedicated tutorial on Soil Ph sensor. Check the channel videos.

[@mekdesmekonnen2242]

tnx

[@raushanisonline]

Nice

[@delacruzjonnel7168]

Greetings...I would like to ask maam/sir, if the sensor detect this example value:
N: 40 mg/kg
P: 90 mg/kg
K: 100 mg/kg
What is the threshold of Low, Medium Low, Medium High, High, and Very High? And I ask too let say Nitrogen is Low how many amount of nitrogen need? Is the soil need 120, 100, 80, 60, 40, 30 nitrogen and so on?

[@siomai7199]

hello po, may threshold na po ba kayo tungkol sa NPK?

[@jyosthnab8147]

Can u provide link for the npk sensor. I want that sensor

[@HowtoElectronics]

Please visit the website article from link in description. You can get the purchase link from there.

[@AnasAnsari-fy3ox]

❤❤❤

[@chandanrajhs8605]

I would like to build this project, so can I buy the whole kit from you please @How To Electronics

[@HowtoElectronics]

The purchase link for all components are given in website article.

[@nishantgarg8604]

Why we required to transfer the dat from node to gateway?? we cant transfer data directly from node to thinkspeak using wifi module??

[@HowtoElectronics]

The sensor doesn’t work with nodemcu or esp32

[@siddheshpatil8906]

Pkese peice this project to implement

[@nikhilwarge9221]

please tell me where I buy npk sensor

[@HowtoElectronics]

Visit the website article. The link for buyng NPk sensor is already given there.

[@prathameshraikar5428]

🤩🤩👍

[@nitinkamble3753]

Hi, your video is very helpful for my project. And, I need these as well
5. Magnesium
6. Lime
7. Silicon
8. Copper
9. Zinc
10. Manganese
11. Boron
12. Cation Exchange Capacity
Can you help me in finding these sensors?
Thank you

[@carloslinassiregasson7703]

hi, do you find the sensors? i need to... tks

[@chandermohan8968]

Sir plzz tell me coast of this project I am farmer it is useful for me

[@HowtoElectronics]

The price list along with entire details is already shared in website article.

[@reemsoungf8161]

Please make this video in Hindi or Urdu language