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Expansion Module
Add LoRa, NB-IoT & Analog Modules for Industrial-Grade Functionality
Price: $34.10 - $103.40 USD
NORVI Expansion Modules extend the functionality of industrial ESP32 controllers with reliable analog, digital, relay, and transistor I/O options. Designed for seamless integration, each module communicates via I²C or UART, allowing up to eight units to be daisy-chained for flexible system scaling. With features like optically isolated inputs, high-resolution ADCs and DACs, and robust relay switching, these modules deliver precision and durability for demanding industrial automation, data acquisition, and control applications.
Expansion Modules
- Expansion with NB-IoT
- Expansion with LORA
- Analog Expansion
- Digital Input Expansion
- Transistor Output Expansion
- Relay Output Expansion
- Worldwide Shipping Available
Price: $67.10 USD
Model: NORVI-EX-LRWAN-915
- LoRa Expansion
Price: $59.40 USD
Model: NORVI-EX-ANV01
- 0 – 10V Analog Expansion
Analog Expansion
Price: $64.90 USD
Model: NORVI-EX-ANI01
- 4 – 20mA Expansion
Analog Expansion
Price: $59.00 USD
Model: NORVI-EX-ANV16
- Analog Inputs
- True Differential Analog Inputs
- Isolated Analog Inputs
Analog Expansion
Price: $34.10 USD
Model: NORVI-EX-I4
- 4 x Digital Inputs Expansion
Digital Input Expansion
Price: $48.40 USD
Model: NORVI-EX-I8
- 8 x Digital Inputs Expansion
Digital Input Expansion
Price: $73.70 USD
Model: NORVI-EX-I16
- 16 x Digital Inputs Expansion
Digital Input Expansion
Price: $41.80 USD
Model: NORVI-EX-Q4
- 4 x Tranistor Outputs Expansion
Transistor Output Expansion
Price: $56.10
Model: NORVI-EX-Q8
- 8 x Transistor Outputs Expansion
Transistor Output Expansion
Price: $85.80 USD
Model: NORVI-EX-Q16
- 16 x Transistor Outputs Expansion
Transistor Output Expansion
Price: $64.90 USD
Model: NORVI-EX-R8
- 8 x Relay Outputs Expansion
Relay Output Expansion
Price: $103.40 USD
Model: NORVI-EX-R16
- 16 x Relay Outputs Expansion
Relay Output Expansion
NORVI ENET
Price: $119.00 - $147.00 USD
Digital Inputs | Relay output | 0 – 10V / / 4- 20 mA | Ethernet connectivity – W5500 | RTC with backup battery
Related Products
NORVI GSM
Price: $90.19 - $228.05 USD
GSM LTE Communication | Built-in OLED Display | microSD Card Support |Ethernet / DS3231 RTC | RELAYS / 0 – 10V / 4 – 20mA
Related Products
Industrial Automation
Expand your controller with analog, digital, relay, or transistor I/O modules to connect sensors, actuators, and machines for automated process control.
Data Acquisition Systems
Capture accurate sensor data with high-resolution analog input expansions (0-10V, 4-20mA, or differential signals) for monitoring temperature, pressure, flow, or other industrial parameters.
Process Control
Drive control loops with analog output expansions for variable frequency drives (VFDs), valves, or proportional actuators, ensuring precise and stable operation.
Machine Monitoring
Use digital input and transistor output modules for real-time status monitoring, fault detection, and alert systems in production equipment.
Remote Monitoring & IoT
Pair expansions with LoRa, NB-IoT, or GSM modules to send collected data wirelessly to cloud platforms for analysis and predictive maintenance.
Building & Energy Management
Relay and transistor outputs can control lighting, HVAC systems, and energy loads, while analog inputs track power, voltage, or current sensors.
Test & Measurement Systems
High-resolution input/output modules are ideal for lab setups, prototypes, and industrial test benches requiring precise signal handling.
Custom OEM Solutions
Mix and match expansion modules to create tailored controller solutions for your specific industry or product line, without redesigning hardware.
Analog Expansion
Digital Input Expansion
Relay Output Expansion
Transistor Output Expansion
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- NORVI-EX-ANV01
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- NORVI EX-ANV16
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- NORVI EX-ANQ 04
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- NORVI-EX-ANI01
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- NORVI-EX-I4
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- NORVI-EX-I8
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- NORVI-EX-I16
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- NORVI-EX-R8
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- NORVI-EX-R16
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- NORVI-EX-Q4
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- NORVI-EX-Q8
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- NORVI-EX-Q16
Why NORVI Expansion Modules?
Seamless Hardware Integration
All modules connect directly to NORVI controllers through the dedicated expansion port — ensuring plug-and-play compatibility without complex wiring or additional power arrangements.
Expand I/O and Communication Options
- Relay Output Modules for switching high-voltage devices
- Transistor Output Modules for fast digital control
- Analog Input Modules for sensors (4–20 mA / 0–10 V)
- Communication Modules (LoRaWAN, NB-IoT, RS-485, etc.) for industrial networking
Modular Scalability
Start small and expand later — add more I/O or communication capabilities as your system grows, without redesigning your control cabinet.
Industrial-Grade Reliability
Built with robust connectors, opto-isolation, and noise immunity, the modules ensure dependable performance even in harsh environments.
Developer-Friendly Design
All modules are compatible with the Arduino IDE and ESP-IDF, making programming and integration straightforward for engineers, OEMs, and system integrators.
Frequently Asked Questions
NORVI Expansion Modules are plug-in add-ons that extend the input, output, and communication capabilities of NORVI industrial controllers. They allow you to customize your controller for specific industrial or IoT applications.
Each module connects via a dedicated expansion port on the NORVI controller. Just plug the module into the port — no external wiring or power configuration is required.
NORVI offers a range of modules including:
- Relay Output Expansion
- Transistor Output Expansion
- Analog Input Expansion (4–20 mA / 0–10 V)
- LoRaWAN, NB-IoT, RS-485 communication modules
Most expansion modules are compatible with NORVI IoT Controllers (ENET, RPI, and others) that feature the NORVI Expansion Port. Check your controller’s datasheet for compatibility.
No separate programming is required. Once connected, the module’s I/O or communication ports are accessible directly through the main controller using standard Arduino or ESP-IDF code.
Yes. NORVI Expansion Modules are designed with industrial reliability in mind — featuring opto-isolated inputs/outputs, durable connectors, and protection against electrical noise.
- Reduced wiring and setup time
- Scalable I/O design
- Lower cost compared to full system replacements
- Easier maintenance and upgrades