SoilWatch 10 - Arduino - Capacitive soil moisture sensor

SoilWatch 10 - Capacitive soil moisture sensor designed to work with Arduino. Best choice as it will not rust as popular resistive sensors do. Completely waterproof and weatherproof design. Will work with a voltage between 2.8 - 5V. The output voltage is not influenced by changes to the input voltage. The temperature coefficient is usually less than 5mV. Output is between approximately 0 - 1.1V
Now 0-3V output is also available!
For more info visit:
SoilWatch 10 webpage: pino-tech.eu/sw10
#soilwatch10

[@danotake2623]

Looks like a sealed Capacitive Soil Sendor v1.2. I am assuming it is the same design using the 555 and cap/res tricks to get a analog out. Looks like a good idea tho.. Beats having to seal a sensor myself.

[@agang-mu7kf]

Where can I buy the rk520? Tell me the sales website.

[@rogeriocamargo1984]

Thanks for this video. It's very very good! By the way, can I use espHome in Home Assistant to use this on A0 port ?

[@pino-tech9766]

Sure, you can use ESPHome + ESP8266 or ESP32 with SoilWatch 10.

[@Ed19601]

Hefty price. AliExpress sells capacitive soilsensors for around 2 USD that can be read with analogue port. Also regular resistive sensors will last a long time if you only apply voltage when reading

[@pino-tech9766]

You get what you pay for. Don't get me wrong, these cheap sensors are good for learning and short term projects. Let me point out some major differences. The capacitive sensors which you mention are sold without waterproof cover or cable. The frequency at which they measure is in the kHz range instead of 75MHz. Low frequency makes it more sensitive to salts. Also, temperature compensation is not very good at this cheap capacitive sensor. Not to mention that electrodes are only covered by the solder mask. One scratch and your capacitive sensor is useless. SoilWatch 10 electrodes are sandwiched between glass-reinforced epoxy laminate. Resistive sensors aren't waterproof, no cable. When powered only when you measure they last longer but they drift with time due to the electrode oxidation. Gold plated ones are better but not ideal.

[@thedude5756]

Hi! I'm having trouble reading the sensor with my HTCC AB01 board. I've configured the ADC pin to read the sensor value, but the data doesn't change. Could you provide support or an example for this board? Greetings from Paraguay!

[@pino-tech9766]

Hi, I am not familiar with this board but this should work: void loop() { int voltage = analogRead(ADC); Serial.print("Voltage = " ); Serial.println(voltage); vwcValue = (2.8432f * voltage * voltage * voltage) - (9.1993f * voltage * voltage) + (20.2553f * voltage) - 4.1882f; // print VWC results to the serial monitor: Serial.print("Moisture VWC [%] = " ); Serial.println(vwcValue); delay(250); } If you still have trouble making it work please contact us via pino-tech.eu/contact/

[@MistrzBartek125]

This price is crazy! 15 time more than standard capacitive sensor.

[@pino-tech9766]

Thank you for your comment. The devil is in the details. I think you refer to the sensor known as "capacitive soil moisture sensor v1.2" which is not waterproof and its sensing area is covered just with the paint. It also is more temperature unstable. We produce our sensor in smaller quantities in Europe hence the costs are higher.

[@RamiR2]

@@pino-tech9766 so you sell it for probably 3 times the price than in the US? Who will buy it if it's like this when tutorial's exist for fixing the standard capacitive sensor?

[@cicherogabriel]

@@pino-tech9766 nice product! you said that ""capacitive soil moisture sensor v1.2" which is not waterproof and its sensing area is covered just with the paint." what do you mean with "it's sensing area is covered just with the paint"? Congratulations for developing this product.

[@shruthikarthan3831]

Is it useful to find the purpose of soil

[@z135210]

I need the sensor to be at a depth of 20 inches - can this sensor do that?

[@pino-tech9766]

Yes, the sensor can be buried at depth 20".

[@faisaltanoli3955]

what is "internal" analogreference? In coding it says "Internal" is not declared?

[@pino-tech9766]

Please see Arduino documentation www.arduino.cc/reference/en/language/functions/analog-io/analogreference/ Internal will only work on some boards. If you use board which does not support internal reference then just comment this line. analogReference(INTERNAL); //set ADC reference to internal 1.1V

[@alexm8553]

Where can I find the documentation on the project?

[@pino-tech9766]

Hi Alex, datasheet of the sensor can be found here: pino-tech.eu/sw10/datasheet

[@Marian.Petrov.Hristov]

Hello! I want to buy this censor but I want it to be as you show in the video, SoilWatch10 + Arduino Uno + monitor + assembled for work, because I don't have time to learn how to assemble it. Is this possible and what will be the price for the whole set + 5 m cable Thanks for the reply!

[@bobalainen3]

Hi Marian, did you succeed to construct a soil moisture meter with soilwatch10 and Arduino Uno? I am thinking to construct such a device and assume, we could find some kind of cooperation?

[@ParisLuHv]

@@bobalainen3 I've been looking at creating my own version of this for a while. Let me know if you're interested in collaboration

[@maizenbrot]

What is the diameter of cable? I need to buy cable gland for my IP67 box that I will run the sensor from

[@pino-tech9766]

The cable diameter is about 3.7mm. Gland size PG-7 fit well.

[@maizenbrot]

@@pino-tech9766 Perfect, thank you. Found some PG-7 Glands on Conrad that will work well.

[@quickfixengineeringltd8035]

Where can I buy it in bulk

[@pino-tech9766]

Please contact us via contact form pino-tech.eu/contact/ and request pricing. For orders under 50pcs please order via website pino-tech.eu/product/soilwatch-10/

[@jorgepulido08]

Hey, I have some questions. This sensor works with particle photon or electron? If your answer is yes,do you have a library or code for this?

[@cheemsdoggo3119]

What?? lol

[@alexm8553]

I am interested in this too, I have tried but not had any luck getting results blog.particle.io/2019/01/28/learn-how-to-build-an-iot-workshop-using-a-soil-moisture-sensor-and-particle-photon/

[@filipechannel]

i didnt liked because the sensor looks too exposed.

[@rohanshah5514]

Is coding given

[@pino-tech9766]

Yes, visit our website pino-tech.eu/sw10

[@marianpelmus]

HELP - I get slow response from the capacitive sensor you show(v 1.2), I used this basic code on Arduino: void setup() { Serial.begin(9600); } void loop() { int val; val = analogRead(0); Serial.print(val); delay(100); } and my readings are very slow. If I put it in water it takes almost 30-40 seconds to get down from a value of 611 to ~240, while this guy (kzbin.info/www/bejne/aGqkc2uBp6yGmrc) get almost instant readings. Even with his code I have the same slow response! Can you help me please to understand why and how to fix it? or to find one that is anti corrosion?! is about sensor version? v1.0 works differently ?

[@danotake2623]

the v1.2 should functioning at the same speed roughly. The unit might be defective.

[@zoro.73]

Try adding a 1 mega ohm resistor between analog out and ground

[@MrBobWareham]

AT 37 euro it's too much money

[@pino-tech9766]

Hi, 37 euro is for the sensor with 20 meter cable. For sensor with 1.5m cable its just under 24 euro including VAT.

[@bobalainen3]

Alternatives: Delta-T SM150T, Teros 10 for 200-240 Eur is even more + logger about 600 Eur.