home_repair_service Smart DIY Home Automation

Control anything from your phone.

No PC or expensive controllers needed. Just a cheap relay, your phone, and a screwdriver. Perfect for pond pumps, garden lights, and cottage gates. Full remote control is possible from anywhere in the world.

Relay Controller remote control interface mockup

Smart automation on a budget

Forget expensive control systems. Build your own smart automation quickly and affordably.

touch_app

Simply Tap & Go

Simple, single-tap controls for your lights or pump. No settings to struggle with.

settings_input_hdmi

Cheap & Flexible

Works with standard USB relay modules costing only a few euros. Use it for anything from small gadgets to larger gate motors.

payments

Hobbyist Friendly

All features are free. We built this for people who love to build things themselves. No accounts, no registrations.

Smart DIY Feature

Remote Control

Leave an old phone connected acting as a local server. Control your garden gate, fountain, or heating from anywhere in the world using your main phone's browser or our app via a secure cloud handshake.

cloud_sync Secure Cloud Connection
settings_remote Instant Remote Control
qr_code_2 Simple 2-Minute Setup

Remote control setup diagram showing relay module connected to a phone and controlled via cloud

Person holding a phone in a cottage garden setting

deck Smart DIY Life

Controlling my garden pump with a €5 relay board.

Simple automation for everyone

You don't need to be an engineer to make your cottage smart. Whether it's the garden fountain, seasonal lighting, or the garage door, Relay Controller makes it fun and affordable.

handyman