eMOD Platform
Get Started
eManager
Introduction
Important information
Service and Support
Technical Specifications
General Information
Main Features
Description
Dimensions
Technical features
Electrical Connections
Power Connector
Antenna Connector
Ethernet Connector
SIM Card Reader
RS232/RS485 Connector
Software Components
Application Framework
Linux Application
Linux Distribution
Development Environment
Quick Start
Booting for the First Time
Step 1. Ethernet Cable
Step 2. Power Supply
Step 3. Log in with SSH
Step 4. Check SSH connection
Step 5. Upgrade eManager
Step 6. Reboot eManager
Step 7. Experiment, explore and have fun!
Setup
1) Ethernet Configuration
2) Wifi Configuration
2.1 STA mode
2.2 AP / hotspot mode
3) Modem Configuration
4) RS232/RS485 Configuration
5) Leds Configuration
6) Timezones Configuration
7) Flash partition safe to system updates
8) OpenVPN Configuration
NodeRED
Creating your First flow in Node-RED
Node-RED Palette Manager
Modbus package
Access security for Node-RED
Step 1. Generate the hash for the password
Step 2. Edit Node-RED configuration file
Step 3. Restart service
Watchdog
Software Update
Step 1. Prepare the new image
Step 2. Turn on your eManager
Step 3. Connect to the software update tool
Step 4. Drag and drop
Package Management
Modem
Report
Signal Quality
eCore
Introduction
Important information
Service and Support
Software Components
Application Framework
ESP-IDF
Quick Start
Installation Step by Step
Step 1. Install prerequisites
Step 2. Get ESP-IDF
Step 3. Set up the tools
Step 4. Set up the environment variables
Step 5. Start a Project
Step 6. Build the Project
Step 7. OTA Firmware Update
Learning
Technical Documentation
The systemd
How to manage systemd services and units
How to use journalctl to view and manipulate systemd logs
Timesyncd
Resolved
How to create a new systemd service in the eManager
How to create a systemd.timer
Network Interface Metrics
How to change the network interface metric
Wifi AP pool address
Knowledge Base
Recommendations
1) eManager Recommendations
1.1) Package upgrade having weak connectivity
2) Node-RED Recommendations
2.1) Editing Current flow if Node-RED gets stucked
Node-RED Flows Examples
How to read a digital input?
How to activate and deactivate a relay?
How to configurate Modbus to read one or multiple variables?
How to write a variable using Modbus protocol?
How to read an analog input?
Developing
eMOD API
API Structure
Multiple modules
Multilanguage API
Using API from C++
Using API from Go
Using API from C
Using API from Python
Using API from Java
API Status Codes
Modules
General codes
Standard errno error codes
eMOD error codes
API warning codes
API information codes
Node-RED eMOD API
1) 8 Signal relays API
2) 10 Digital inputs API
3) 7 Analog inputs and 2 power relays API
4) 12 Analog inputs API
5) 5 Digital inputs and 2 Power relays API
6) 3 Phase Energy Meter API
7) 6_3 Level Meters API
8) SuperCap Node
Restrictions
Support
FAQS & Troubleshooting
FAQS
1) How can I reinstall an opkg package?
2) How can I start/stop Node-RED?
3) Where can I store my projects in my eManager?
4) How can I configure port forwarding?
5) How can I check the level of coverage of the modem?
6) How can I change the journald logs from volatile to persistent?
7) How can I install an opkg package in the eManager?
8) How can I reinstall the original version of npm?
9) How can I access to the eManager without knowing the IP?
Troubleshooting
1) I can not access to the NodeRED application
2) Sometimes Node-RED restarts for no reason.
3) npm WARN: npm does not support Node.js v8.17.0
4) gyp ERR! stack Error: not found: make
5) TypeError accessing to a hardware module
6) Missing node modules: <node-red-node-name> <version>
7) npm ERR! code EAI_AGAIN
8) Nothing provides requested <package_name>
eMOD Platform
Docs
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Developing »
eMOD API »
Multilanguage API
Multilanguage API
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Using API from C++
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C++ API
Using API from Go
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Go API
Using API from C
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