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GikfunCapacitive Soil Moisture Sensor Corrosion Resistant for Arduino Moisture Detection Garden Watering DIY (Pack of 2PCS) EK1940

GikfunCapacitive Soil Moisture Sensor Corrosion Resistant for Arduino Moisture Detection Garden Watering DIY (Pack of 2PCS) EK1940

Q: Could you submerge the moisture sensor fully in soil if all connections are adequately protected?

I put conformal coating and heatshrink on them and had no problems with soil immersion. I calibrate the sensors in water (100% moisture), and dry air (0% moisture) because there is lots of variation sensor to sensor in both offset and gain.

Q: What are the measurement units? Centibars?

You need to calibrate the units in code. More details here. https://wiki.dfrobot.com/Capacitive_Soil_Moisture_Sensor_SKU_SEN0193

Q: What is the average power consumption per reading?

I don't know the answer, but it is pretty low. If interested, for the price buy one and see if it suits your needs. I use mine in a handheld device and only power it up when I need a reading. I am using a Raspberry Pico and running it off of a 9-volt battery reduced to 5 volts.

Q: What library do I need for a raspberry pi?

You don't need a library, just need to read the analog pin,A0. This is what I use: // Calibration: SOIL_AIR is reading when dry, SOIL_WATER is reading when submerged in water about 3/4 up the stick // Used to calculate a 0-100% range based on the readings #define SOIL_AIR 362 #define SOIL_WATER 637 int get_soil_readings(int n) { int a0 = 0; for(int i=0; i<n;i++) { int raw = analogRead(SOIL_ANALOG); Debug << "Raw Reading: " << raw << "\r\n"; raw = max(SOIL_AIR,raw); raw = min(SOIL_WATER, raw); Debug << "MinMax'd Reading: " << raw << "\r\n"; a0 += raw; delay(5); } int reading = a0/n; float percentage = (reading - SOIL_WATER) * 100.0 / (SOIL_AIR-SOIL_WATER); return int(percentage); }

Product ID: 258956214

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Details

Colour
Black
Brand
Gikfun
Product dimensions
23W x 98H
Item weight
22 Grams
Battery description
No batteries

⚡3.3-5.5 VDC

🌱Corrosion Resistant

📏98 x 23mm

Frequently Bought Together

Gikfun Capacitive Soil Moisture Sensor Corrosion Resistant for Arduino Moisture Detection Garden Watering DIY (Pack of 2PCS) EK1940

Arduino Uno REV3 [A000066] – ATmega328P Microcontroller, 16MHz, 14 Digital I/O Pins, 6 Analog Inputs, 32KB Flash, USB Connectivity, Compatible with Arduino IDE for DIY Projects and Prototyping

ELEGOO 120pcs Multicolored Dupont Wire 40pin Male to Female, 40pin Male to Male, 40pin Female to Female Breadboard Jumper Ribbon Cables Kit Compatible with Arduino Projects

Description

🌟 Elevate Your Garden Game with Precision!

🌼 GARDEN GURU - Ideal for intelligent agriculture and thriving plant care.
🌍 ECO CONSCIOUS - Corrosion-resistant materials ensure longevity and sustainability.
🌿 SMART SENSING - Capacitive technology for accurate moisture detection.
🛠️ DIY FRIENDLY - Perfect for Arduino and Raspberry Pi enthusiasts.
🔋 VERSATILE VOLTAGE - Operates seamlessly between 3.3-5.5 VDC for diverse projects.

The Gikfun Capacitive Soil Moisture Sensor is a cutting-edge tool designed for accurate soil moisture detection. With a corrosion-resistant build and a versatile operating voltage of 3.3-5.5 VDC, this sensor is perfect for DIY projects involving Arduino and Raspberry Pi. Measuring 98 x 23mm, it’s compact yet powerful, making it an essential addition for any gardening enthusiast or intelligent agriculture application.

Have a Question? See What Others Asked

Could you submerge the moisture sensor fully in soil if all connections are adequately protected?

What are the measurement units? Centibars?

What is the average power consumption per reading?

What library do I need for a raspberry pi?

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