
( Brand: Esooho ), ( Manufacturer Part Number: EK1940 ), ( Part Type: Sensor ), ( Battery Description: No Batteries Required ), ( Mounting Type: Tabletop ), ( Voltage: 5.5 Volts ), ( Smart Home Compatibility: Not Smart Home Compatible ), ( Item Dimensions W X H: 0.91w X 3.86h ), ( Item Weight: 22 Grams ), ( Color: Black ), ( Unit Count: 2.0 Count )
The ESOOHO Ek1940 Capacitive Soil Moisture Sensor is an ideal solution for Arduino users seeking to monitor soil moisture levels in their projects. This sensor employs capacitive sensing technology to measure the dielectric constant of the soil, which is directly related to its moisture content.
The sensor comes in a compact and robust design, featuring a plastic housing that ensures durability and protection against environmental elements. It has four pins: VCC, GND, AO, and DO. The VCC and GND pins are used to power the sensor with a recommended voltage range of 4.5V to 5.5V, while the AO pin outputs the analog voltage value corresponding to the soil moisture level. The DO pin can be used to output a digital signal when the moisture level exceeds or falls below a certain threshold.
The Ek1940 sensor is versatile and can be used in various applications, including hydroponic systems, agriculture, and gardening projects. Its corrosion-resistant design is suitable for outdoor use and ensures a long lifespan, even in harsh conditions.
The sensor's detection range for soil moisture levels is from 0% to 100%, with a high accuracy and linearity. It has a small sensing probe size, which allows for precise and localized measurements. The sensor is also easy to use, requiring minimal wiring and setup, making it an excellent choice for DIY projects and prototypes.
In summary, the ESOOHO Ek1940 Capacitive Soil Moisture Sensor is a versatile and reliable solution for Arduino users who need to monitor soil moisture levels in their projects. Its corrosion-resistant design, small sensing probe size, and easy setup make it an ideal choice for both indoor and outdoor applications.
The ES-HO EK1940 Capacitive Soil Moisture Sensor is a popular choice for Arduino users who want to build soil moisture monitoring projects. Here are some pros and cons of buying this sensor:
Pros:1. Capacitive sensing technology: This type of sensing measures the dielectric constant of the soil, making it less prone to interference from external factors such as temperature and sunlight.
2. Wide soil moisture measurement range: The sensor can measure soil moisture levels from very dry to fully saturated, making it suitable for various applications.
3. Easy to use: The sensor comes with a simple design and requires minimal setup, making it an excellent choice for beginners.
4. Affordable: The sensor is relatively inexpensive compared to other soil moisture sensors in the market.
Cons:1. Corrosion issue: The sensor's metal contacts may corrode over time, leading to inaccurate readings or even sensor failure. This can be mitigated by coating the contacts with a protective substance or using a shielded cable.
2. Limited accuracy: Capacitive sensing technology may not provide the same level of accuracy as other types of soil moisture sensors like resistive or gravimetric sensors.
3. Not suitable for saline soil: The sensor may not function properly in saline soil due to the presence of ions that can affect the dielectric constant.
Conclusion:The ES-HO EK1940 Capacitive Soil Moisture Sensor is an affordable and easy-to-use option for Arduino users who want to build soil moisture monitoring projects. However, its corrosion issue and limited accuracy may be a concern for some users. To mitigate the corrosion issue, consider using a protective substance on the contacts or a shielded cable. For higher accuracy and durability, consider other types of soil moisture sensors like resistive or gravimetric sensors.
Recommendation:If you're a beginner looking for an affordable and easy-to-use soil moisture sensor for your Arduino project, the ES-HO EK1940 Capacitive Soil Moisture Sensor can be a good choice. However, if you require higher accuracy or durability, consider investing in more expensive and robust sensors like resistive or gravimetric sensors. Additionally, always ensure proper protection of the sensor contacts to prevent corrosion.
Capacitive Soil Moisture Sensor Corrosion Resistant for Arduino Detection Garden Watering DIY Pack of 2PCS EK1940:: Shipping. Fast Delivery.