Depending on various applications, the process control industry uses liquid-level sensors of
different principles. Due to the dynamic nature of liquid such as water, wastewater …

This study aims to build and test prototypes of building slope and land subsidence based on
Internet of Things (IoT) using ultrasonic HC-SR04 sensors and data delivery testing uses …

Since 2006 Lapindo mudflow caused by natural gas drilling in Sidoarjo. Nowdays the
mudflow still can't be stopped, and to prevent it from resident's houses, embankments were …

A noncontact liquid-level sensor using a cylindrical coplanar waveguide (CCPW) is
proposed. The concept is demonstrated using a prototype device made by directly spraying …

This research targets rats, which are notorious pests causing food spoilage, disease
transmission, and human bites in residential areas, by developing an IoT-based automatic …

The increasing number of traffic accidents is a challenge for driver safety [1]-[4]. In Indonesia,
the number of traffic accidents has started to increase by 3,617 cases, or 3.6% in 2020-2021 …

Water accumulation in air conditioning (AC) drain pans can lead to corrosion and
subsequent leaks, impacting AC system performance. This study focuses on implementing a …

Nutrition is very important for the healthy and normal growth of babies. Determination of
infant nutrition is usually calculated from two parameters, namely the baby's height and …

This research addressed the crucial issue of energy inefficiency in water pumping systems
by presenting an innovative approach to optimize energy consumption through simulation. A …

This research investigates the precise regulation of liquid filling in tanks, specifically
focusing on water storage systems. It employs the Proportional-Integral-Derivative (PID) …