Shelly Analog 0-30 V Add-on – Accessory connector for The Pill by Shelly multi-purpose input module

The Shelly Analog 0–30V Add-on is an expansion module for The Pill by Shelly multi-purpose input device, enabling the measurement of analog voltages in the 0–30V range. It significantly extends the base device’s built-in 0–2.5V measurement range, allowing The Pill by Shelly to monitor various DC systems, batteries, and analog sensors.

The module is especially useful in applications where precise voltage monitoring is important, such as solar systems, batteries (3.7V, 12V, 24V), industrial sensors, or other low-voltage systems. When used together with The Pill, it provides a flexible and scalable measurement solution that can be easily integrated into smart home or industrial automation environments.

Thanks to its Plug & Play design, the add-on can be connected quickly and put into operation immediately. This solution is primarily recommended for DIY users building more complex measurement and automation systems.

About the Shelly brand

Shelly is one of the most well-known smart home brands, recognized for its flexible devices and open integration capabilities. Shelly products can be easily integrated with various systems such as Home Assistant, MQTT, or REST API-based solutions, making them ideal for advanced and DIY users.

Smart features

Voltage monitoring: Real-time monitoring of DC systems
Automation triggers: Control actions based on measured values
Data logging: Collection and processing of voltage data

Key product features

Wide measurement range: 0–30V DC voltage measurement
Expansion module: Extends the capabilities of The Pill
Multi-functional I/O: Digital inputs and outputs (3.3V logic level)
5V power output: Can power sensors or The Pill itself
Accurate measurement: Suitable for monitoring batteries and analog signals
Plug & Play: Easy connection and use
DIY compatibility: Designed for advanced automation systems

Electrical features

Measurement range: 0–30 V DC
Analog input: Voltage measurement (AN: 0–30V)
Digital I/O: 2 configurable inputs/outputs (IO2, IO3 – 3.3V logic level)
Power supply: 5V (from The Pill device or as output for sensors)
Ground (GND): Reference point for sensors and power supply
Measurement accuracy: ±(2% + 5d)
Digital input: Active LOW; LOW: <0.83 V, HIGH: >2.48 V
Max. input voltage: 3.3 V
Max. switching voltage: 3.3 V
Max. switching current: 20 mA

Technical specifications

Product name: Shelly Analog 0–30V Add-on
Type: Analog input expansion module
Size: 36.5 × 26.5 × 11.5 mm
Weight: 8 g
Color: Black
Measurement range: 0–30 V DC
Measurement accuracy: ±(2% + 5d)
Operating temperature: 0°C – +40°C
Storage temperature: -20°C – +40°C
Humidity: 30–70% RH
Max. installation altitude: 2000 m
Compatibility: The Pill by Shelly

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