BroadLink HTS2 Temperature & Humidity Sensor Cable
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🌡️ BroadLink HTS2 — Temperature & Humidity Sensor Cable for RM4 Mini / RM4 Pro

The BroadLink HTS2 is a USB sensor cable that adds temperature and humidity monitoring to your BroadLink RM4 Mini or RM4 Pro universal remote. Simply replace the standard USB power cable with the HTS2 sensor cable — the sensor is built into the cable itself. The BroadLink app instantly displays room temperature and humidity, and you can create automations that trigger based on temperature or humidity thresholds (e.g., turn on the aircon when the room hits 28°C).

HTS2 Sensor Cable RM4 Mini
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Free Delivery
Orders over R2,500
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Local Stock
Ships from Gauteng
🌡️
Temp + Humidity
Built into cable
🔌
Plug & Play
Replace USB cable

⚡ Key Features

  • Temperature & Humidity Sensor Built Into USB Cable — the sensor is integrated into the cable; no extra device, no extra wiring; it replaces your RM4's standard USB power cable
  • Plug & Play Setup — if your RM4 Mini or RM4 Pro is already configured, simply swap the USB cable for the HTS2 sensor cable; the BroadLink app automatically detects it and displays temperature and humidity readings
  • Temperature-Based Automations — set triggers in the BroadLink app: when room temperature rises above 28°C, automatically send an IR command to turn on the aircon; when humidity drops below 40%, turn on a humidifier
  • Real-Time Monitoring — view current temperature and humidity in the BroadLink app from anywhere via your phone
  • Compatible with RM4 Mini & RM4 Pro — works with the BroadLink RM4 Mini (IR only) and RM4 Pro (IR + RF); connects via the Micro USB port
  • Discreet Design — the sensor is a small inline module on the USB cable; barely noticeable once plugged in
⚠️ Requires a BroadLink RM4 Mini or RM4 Pro!
The HTS2 sensor cable is an accessory — it only works when connected to a BroadLink RM4 Mini or RM4 Pro. It does not function as a standalone sensor. The RM4 provides the WiFi connection and app integration.

🏠 Smart Automation Examples

🌡️ Temperature + IR = Smart Climate Control

The real power of the HTS2 is combining room temperature data with the RM4's IR blaster. Set up automations like: "When temperature exceeds 28°C → send IR command to turn on aircon at 22°C, fan speed high" or "When temperature drops below 18°C → turn off aircon". Your RM4 becomes a smart thermostat for any IR-controlled aircon — no expensive smart AC unit required. Works with any brand of air conditioner that uses an infrared remote.

🇿🇦 SA Tip — Load Shedding Comfort: Set an automation: when power returns after load shedding and the room temperature is above 30°C, the RM4 automatically sends the IR command to turn on your aircon. You walk into a cool room instead of a sauna. The HTS2 sensor detects the temperature; the RM4 handles the IR command — all automatic.

📋 Technical Specifications

Model HTS2
Type USB sensor cable with integrated temp/humidity sensor
Measurements Temperature + Relative Humidity
Connector USB-A (to power adapter) → Micro USB (to RM4)
Compatible Devices BroadLink RM4 Mini, RM4 Pro
App BroadLink (iOS / Android)
Voice Control Alexa, Google Assistant (via BroadLink skill)
Setup Plug & play — replace standard USB cable

❓ Frequently Asked Questions

Does it work without a BroadLink RM4?
No — the HTS2 is an accessory cable for the BroadLink RM4 Mini or RM4 Pro. It plugs into the RM4's Micro USB port and uses the RM4's WiFi connection to send data to the BroadLink app. You need an RM4 Mini or RM4 Pro.
How do I set it up?
If your RM4 is already configured: unplug the standard USB cable and plug in the HTS2 sensor cable instead. The BroadLink app will automatically detect the sensor and display temperature and humidity readings on the RM4's control panel in the app. If this is a new RM4, connect the HTS2 cable first, then follow the normal RM4 setup wizard in the app.
Can I use it to control my aircon automatically?
Yes — this is its primary use case. In the BroadLink app, create a scene or automation: when temperature rises above your threshold, the RM4 sends the IR command to turn on your aircon. When temperature drops below another threshold, it turns it off. This works with any IR-controlled aircon, heat pump, or fan — any brand, any model.
Does it work with Home Assistant?
Yes — BroadLink devices are supported in Home Assistant via the BroadLink integration. Temperature and humidity readings from the HTS2 appear as sensor entities. You can then build HA automations that combine the sensor data with any device in your smart home.

🤝 Need Help? We're Here for You!

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Jesse: 071 678 8719
Jason: 084 505 7481

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8 Wildebraam Street
Weltevreden Park, Roodepoort
Gauteng, 1709

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Email

info@eiferer.co.za

Add Smart Climate Sensing to Your RM4.

BroadLink HTS2 Temperature & Humidity Sensor Cable