<![CDATA[An early warning system is very important to implement to minimize losses received when a disaster occurs, one of which is a landslide disaster. An early warning system for landslides is carried out so that people can find out the signs of a disaster that can be accessed anywhere, so they can prepare themselves. For this reason, a tool is needed that can detect and provide early warning of landslides to the public which can be accessed through the website. In this study, a website-based landslide detector has been designed using a soil moisture sensor to measure it and the MPU6050 sensor to measure the slope of the soil. Sensor data will be displayed on the LCD and sent to the database and can be monitored through the website. The avalanche detector made is powered by a 15 V DC battery to provide 5V output to the NodeMCU ESP8266. Soil moisture sensor, MPU6050, LCD I2C, LED, and relay work at 5V. A Relay is used to turn on the siren at 12V voltage. Based on our research, the soil moisture measurement value between the sensor and the comparison device is around 1.55% and the soil slope measurement value between the sensor and measuring tool is around 0.14%, these two factors influence each other. The measurement error is still fairly normal according to the soil moisture sensor datasheet and MPU6050, which are ±3% together]]>
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