Relay controller

10+
Downloads
Content rating
Everyone
Screenshot image
Screenshot image
Screenshot image

About this app

Relay Controller lets you directly control your USB relay device via a cable connection. Additionally, you can pair a remote mobile device to allow wireless relay control.

Features:
Local control of USB relay devices
Optional remote control via secure pairing
Monitor and change relay states in real-time
Simple setup and safe connection management
Note:
This app works fully on its own. Remote control features are available when paired with "Relay Remote Controller."
Updated on
Nov 13, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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Committed to follow the Play Families Policy

What’s new

Add 16 KB pages support