Project

Water Monitoring

Technology

Kotlin, Android, Node.js, IoT

Year

2023

Source Code

GitHub

Description

An IoT water-monitoring suite: a Kotlin Android app paired with a JavaScript API that collects and visualizes sensor readings, so water quality can be tracked from a phone in real time.

Alex Sirait

Freelance full-stack software engineer in Batam, Indonesia — building web, AI & blockchain products for startups and businesses.

© 2026 Alex Sirait. All rights reserved.