Shelly 5-Terminal Add-on Micro USB Interface for The Pill Smart Hub
The Shelly 5-Terminal Add-on is a compact interface module that unlocks the full hardware potential of The Pill by Shelly. This versatile accessory provides 5V power, GND, and three configurable 3.3V logic I/O terminals, enabling you to connect sensors, buttons, reed switches, float switches, LEDs, and other low-voltage devices for flexible smart home automation and prototyping projects.
Why You'll Love It
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Full I/O Access: Exposes all 3 GPIOs plus 5V and GND on screw terminals for ultimate connectivity
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Versatile Connectivity: Supports digital inputs/outputs, analog input (0-2.5V range), and temperature sensors including DS18B20 and DHT22
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Simple Smart Triggers: Wire reed switches for door sensors, pushbuttons for scene triggers, or float switches for tank level monitoring
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Maker-Friendly Design: Perfect for prototyping, custom integrations, I2C sensors, and UART devices
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Seamless Integration: Works with the Shelly Smart Control app to automate lights, pumps, alerts, and more
Transform Basic Contacts into Smart Triggers
Using the 5-Terminal Add-on, you can connect simple switches and sensors directly to The Pill by Shelly. Wire a reed switch to detect door openings, attach a pushbutton to trigger scenes or webhooks, or use a float switch to monitor tank levels. Once connected, The Pill sends each change to the Shelly Smart Control app, where you can automate lights, pumps, alerts, or any action you need.
Drive Low-Voltage Outputs
With the 5-Terminal Adapter, you can use The Pill by Shelly to drive simple low-voltage outputs such as LEDs, buzzers, or small relays, making it ideal for automation setups and reliable logic-level control in space-constrained environments.
Technical Specifications
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Multi-Purpose I/O 1: Configurable for sensors (DS18B20, DHT22), analog input (0-2.5V), or digital input/output
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Digital I/O 2 & 3: Logic-level 3.3V configurable inputs or outputs
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Power Output: 5V with GND reference
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Connector Type: Micro USB to 5 screw terminals
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Compatible Device: The Pill by Shelly (sold separately)
What's in the Box
- Shelly 5-Terminal Add-on (Micro USB to 5 screw terminals)
Full Specifications
| Product Type |
I/O Interface Add-on |
| Compatibility |
The Pill by Shelly |
| Connector |
Micro USB input |
| Terminals |
5 screw terminals (5V, GND, IO1, IO2, IO3) |
| I/O 1 |
Configurable: Digital I/O, Analog (0-2.5V), or Temperature Sensors (DS18B20, DHT22) |
| I/O 2 & 3 |
Digital Input/Output (3.3V logic level) |
| Power Output |
5V with GND |
| Logic Level |
3.3V |
| Use Case |
Sensors, buttons, reed switches, float switches, LEDs, relays, I2C, UART |
Specifications are sourced from the manufacturer product page and may be updated.