Alat Pendeteksi Suhu, Kelembaban, dan pH Tanah Berbasis Arduino Uno-Proyek Mandiri

Summary

In this presentation, Ale Rizkiana introduces a soil monitoring system that tracks soil temperature, humidity, and pH levels using sensors. The device features a pH sensor, YL-69 soil moisture sensor, and DHT11 air temperature and humidity sensor. The system is powered by a 9V battery and controlled by an Arduino Uno, with USB or power bank connectivity. Ale demonstrates how the system measures dry soil and its response to watering, showing changes in soil moisture and pH levels. The presentation emphasizes the device's usefulness for plant care and environmental monitoring.

Takeaways

• 😀 The project involves a device that detects soil temperature, humidity, and pH levels.
• 😀 The device uses a pH sensor to measure the soil's acidity.
• 😀 It features a soil moisture sensor (YL-69) to measure soil moisture levels.
• 😀 The DHT11 sensor is used to detect air temperature and humidity.
• 😀 The device is powered by a 9V battery and controlled by an Arduino Uno microcontroller.
• 😀 The device can be connected to a computer via USB or powered by a power bank.
• 😀 Initial readings show the temperature is 29°C, and air humidity is 74%.
• 😀 When tested on a chili plant, the soil appeared dry with a temperature of 20°C, and soil moisture levels at 11-12%.
• 😀 The soil pH reading was around 5.34, indicating slightly acidic soil.
• 😀 After watering the plant, soil moisture levels increased significantly, with a value ranging between 23-30%.

Q & A

What is the purpose of the device described in the video?

The device is designed to detect soil temperature, humidity, and pH levels, providing useful data for monitoring the condition of plants and soil.

What sensors are included in the device and what do they measure?

The device includes a pH sensor for measuring soil acidity, a soil moisture sensor (YL-69) for detecting soil moisture levels, and a DHT11 sensor for measuring air temperature and humidity.

How is the device powered?

The device is powered by a 9V battery, and it can be connected to power sources such as a USB or a power bank.

What microcontroller is used in the device?

The device uses an Arduino Uno microcontroller to manage the sensors and data processing.

How does the device display the readings?

The device shows the temperature, air humidity, soil moisture, and pH levels on a connected display, providing real-time data about the environment.

What happens when the soil is dry?

When the soil is dry, the moisture level is very low, and the device shows a lower value for soil moisture, typically around 11-12%. The temperature is also relatively lower.

How does watering the plant affect the readings?

Watering the plant increases the soil moisture level. After watering, the device shows a significant rise in soil moisture, with values increasing up to 30%, and the pH level may also fluctuate.

What were the temperature and humidity values when the device was first turned on?

Upon initial activation, the temperature was recorded at 29°C, and the air humidity was 74%.

How does the pH level of the soil vary in different conditions?

The pH level of the soil was measured at around 5.3 to 5.4 in the dry state, and it varied after watering the plant, typically ranging between 4.8-5.0.

Why does the soil moisture level change with time?

Soil moisture levels change over time due to environmental factors such as weather conditions, the presence of dew, and the amount of water the soil retains.