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Shelly The Pill by Shelly

Shelly / S3SN-0U53X

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Does the Shelly The Pill by Shelly work with HomeKit, Alexa, and Google Home?

The Pill by Shelly is a small USB-C powered Wi-Fi and Bluetooth unit for temperature sensors and low-voltage inputs and outputs. Shelly states Gen3 capabilities for it. It suits Home Assistant users, with native support through local Wi-Fi control.

At a glance: works withHow this is decided: cited platform facts only
HomeKit
Unknown
Unknown
Google Home
Unknown
Unknown
Alexa
Unknown
Unknown
SmartThings
Unknown
Unknown
Home Assistant
Yes[1]
Wi-Fi local, native

Key facts

Shelly The Pill by Shelly facts

How facts are sourced: every cell cites its source below
FactValue
StatusCurrent[2][3]
List price$12.99[4] as of
GenerationGen3[5]
Model codeS3SN-0U53X[5]
What it doesLow-voltage unit for DS18B20 or DHT22 temperature sensing, digital inputs and outputs and an analog input[5]
Works withExternal sensors and peripheral add-ons (SSR, analog 0-30 V)[5]
ConnectionWi-Fi 802.11 b/g/n, Bluetooth 4.2 (BLE)[5]
Power5 V DC over USB-C[5]
Local APIHTTP API, MQTT and webhooks[5][6]

Integration paths

How the Shelly The Pill by Shelly connects

1 pathHow facts are sourced: every cell cites its source below
PathRequiresiLocaliFeatures lostPlatformsi
Wi-Fi localNothing extra[5]Yes[5]unknown
About these columns
Requires
Hardware the path needs beyond the device and a controller.
Local
Yes when control on this path keeps working with the internet down.
Platforms
The platforms that work with the device on this path: Native (out of the box), Via integration (needs an add-on) or Not supported.

Home Assistant and Homey

Ways to add the Shelly The Pill by Shelly

2 routesHow facts are sourced: every cell cites its source below
PlatformLeveliIntegrationDetailsEvidenceLimitations
Home AssistantNative (local)[1]shellyWi-Fi local
  • Quality: Platinum[1]
  • IoT class: Local Push[1]
  • Works with Home Assistant: Not certified[1]
Product line namedNone stated
HomeyOfficial app (local)[7]cloud.shelly.controlWi-Fi local
  • App: Official[7]
  • Runs on: Homey Pro[7]
Model namedNone stated
About these columns
Level
How the device gets into the platform on this route. The headline is the best route: local before cloud, direct before bridged, core before community. The methodology page lists every level.

Cite this page

Shelly The Pill by Shelly. Smart Home Canon. https://smarthomecanon.com/devices/the-pill-by-shelly. Last checked 2026-10-20.

Sources

  1. [1]
    DOChome-assistant.io / Home Assistant: Shelly integration
    Accessed Back to text
  2. [2]
    MFRshelly.com / The Pill by Shelly - Shelly Europe shop
    Accessed Back to text
  3. [3]
    MFRshelly.com / Shelly Europe shop catalog (Shopify product feed, pages 1-3)
    Accessed Back to text
  4. [4]
    MFRus.shelly.com / Shelly USA store: The Pill by Shelly
    Accessed Back to text
  5. [5]
    MFRkb.shelly.cloud / The Pill by Shelly - Shelly Knowledge Base
    Accessed Back to text
  6. [6]
    MFRshelly-api-docs.shelly.cloud / Shelly Technical Documentation: Gen2+ devices
    Accessed Back to text
  7. [7]
    DOChomey.app / Homey App Store: Shelly Control
    Accessed Back to text