Transform Your Home with the SONOFF Mini-D Smart Relay
The SONOFF Mini-D represents the next generation of miniature smart home automation.
Measuring roughly 40% smaller than previous generations, this miniature smart switch fits snugly behind almost any regular wall toggle.
Despite its incredibly small size, it packs a massive punch. It features enhanced safety, local control protocols, and a blazing-fast smart engine.
Driven by the Advanced ESP32 Chip
Upgraded from traditional chipsets, the SONOFF Mini-D utilizes the elite ESP32 processor. This upgrade provides exceptional local execution speed and robust anti-interference performance.
It also ensures unparalleled stability on your home Wi-Fi network. The device seamlessly pairs with your smartphone via Bluetooth, minimizing initial setup friction.
Key Features & Smart Capabilities
- Ultra-Compact Form Factor: Fits easily into tight standard mounting boxes without crowding your existing wiring.
- “Detach Relay” Mode: Decouples the state of your external manual switch from the internal relay logic.
- Local Smart Control: Integrates cleanly with local platforms like Home Assistant via local LAN mode.
- Comprehensive Voice Control: Works instantly with Amazon Alexa, Google Home, and Apple Siri Shortcuts.
Step-by-Step Installation and Wiring Guide
Installing your new smart component is highly straightforward. However, it requires basic electrical wiring safety precautions.
Ensure your mains electricity breaker is completely shut off before attempting any installation work.
1. Identify Your Wiring
Pull your existing switch out of the wall box. Locate the permanent live feed wire coming from your distribution board.
You will also need to locate the switched live wire and the neutral bundle. The SONOFF Mini-D requires a constant neutral wire to power its internal Wi-Fi radio.
2. Terminal Connectivity Configuration
- Connect your main source live wire to the L In terminal.
- Connect your main source neutral wire to the N In terminal.
- Route your light fixture’s load wire straight to the L Out terminal.
- Connect the manual wall switch to the S1 and S2 input terminals.
3. Setup via eWeLink Application
Once the breaker is flipped back on, put the unit into pairing mode. Open your smartphone app and search for local Bluetooth broadcast signals.
Enter your local 2.4GHz Wi-Fi credentials to link the hardware. Your device will sync to your cloud account instantly.
Safe, Reliable, and Smart Certification
Safety is non-negotiable when dealing with mains electrical currents in a residential setting. The SONOFF Mini-D is constructed using premium, V0 fire-retardant polycarbonate materials.
It features built-in overload protection to safeguard your equipment. It is engineered to meet strict international standards, giving you complete peace of mind.
Technical Specifications
- Model Name: MINIR4 (Commonly known as Mini-D)
- Wireless Connectivity: Wi-Fi IEEE 802.11 b/g/n 2.4GHz & Bluetooth Low Energy
- Input/Output Voltage Profile: 100-240V ~ 50/60Hz 10A Maximum Resistive Load
- Casing Protection Material: PC V0 Rating (High-grade fire retardant)
- Physical Dimensions: 39.5 mm x 33 mm x 16.8 mm
Frequently Asked Questions (FAQ)
Does the SONOFF Mini-D require a neutral wire?
Yes, it does. To maintain constant wireless connectivity, the SONOFF Mini-D requires a constant neutral wire connection.
Can I use this relay in a two-way lighting switch loop?
Absolutely. You can wire the S1 and S2 terminals directly to the end of an existing multi-switch matrix loop.
What happens if my home internet connection goes down?
If your external web connection fails, the SONOFF Mini-D retains manual physical switch operations. Local automation routines will also continue executing if LAN mode is enabled.
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