Splitter 1 to 5 – 3.5mm Jack (for Shelly Pill)
£6.79
A plug-and-play splitter that lets you connect up to five DS18B20 temperature sensors to a single Shelly Pill input, turning one device into a multi-point monitoring system. Useful for tracking temperature across several rooms, zones or systems at once, such as aquariums, greenhouses or server rooms.
- Connects up to 5x DS18B20 sensors to one Pill input
- Plug-and-play 3.5mm jack, no extra setup needed
- Cable lengths of 21cm on jack and receptacle ends
- Rated for ambient temperatures between 0°C and 40°C
Buy the Splitter 1 to 5 - 3.5mm Jack (for Shelly Pill) online in the UK from ShellyUK — genuine Shelly stock with fast UK delivery.
The Splitter 1 to 5 – 3.5mm Jack is a simple yet powerful accessory for the Shelly Pill, designed to expand your temperature monitoring capabilities with ease. It allows you to connect up to five DS18B20 temperature sensors to a single input, turning one device into a multi-point monitoring system. Whether you’re tracking conditions across different rooms, systems, or zones, this splitter makes it effortless to gather accurate data from multiple locations at once.
With its plug-and-play 3.5mm jack design, installation is quick and hassle-free—no complex setup required. Just connect the splitter to The Pill and attach your sensors to start monitoring instantly. It’s an ideal solution for environments where precise temperature control is essential, from aquariums and greenhouses to server rooms, warehouses, and industrial systems.
- Connect up to 5x DS18B20 temperature sensors
- 3.5mm jack plug-and-play connection
- Enables multi-point temperature monitoring
- Designed specifically for use with the Shelly Pill
Connects up to 5x DS18B20 sensors to one Pill input
Plug-and-play 3.5mm jack, no extra setup needed

Cable lengths of 21cm on jack and receptacle ends
Rated for ambient temperatures between 0°C and 40°C
Where you'd use it
Multi-bed greenhouse monitoring
Split one Shelly Pill input into up to five DS18B20 probes so each greenhouse bed or zone reports its own temperature instead of relying on one reading for the whole space.
Server room hotspot detection
Run several probes to different points in a rack or room to catch localised hotspots that a single sensor near the door would miss entirely.
Multi-tank aquarium setup
Monitor several fish tanks or a tank plus its sump from one Shelly Pill rather than buying a dedicated sensor unit for each.
Specification
Environmental
- Humidity
- 30% to 70% RH
Other
- Cable length
- • 1 x 21 cm (3.5mm jack) • 5 x 21 cm (3.5mm receptacle)
- Ambient temperature
- 0 to 40 °C / 32 to 105°F





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