OpenEnergyMonitor
System Overview
Resources
Troubleshooting
Hardware:
emonTx4
Overview
Install Guide
Adding to an existing install
Heatpump monitor
Configuration
Firmware
Hardware
Technical Guide
Voltage sensors
Temperature, Pulse & Analog
Expansion boards
6 CT Expansion board
emonTx3
emonTH2
emonPi2
emonPi
emonBase
EmonEVSE
Software:
emonSD
emonHub
emonCMS
Applications:
Home Energy
Solar PV
Heat pump
Learn:
Electricity Monitoring
Heat pumps
Sustainable Energy
PV Diversion
OpenEnergyMonitor
emonTx4 User Guide
View page source
emonTx4 User Guide
Overview
Key features
Technical spec
Accuracy
Install Guide
Quick Start
Extended version
1. emonVs installation
2. CT sensor installation
3. emonTx4 Installation
4. emonBase Installation
5. emonBase setup
Installation Examples
Adding to an existing install
Direct USB data connection
433MHz radio data connection
EmonHub Configuration
Heatpump monitor
Hardware
1. Electricity monitoring
2. Temperature sensing
3. Reading from a Sika VFS analog output
4. Firmware
5. Basestation or Wi-Fi adapter
6. Emoncms & MyHeatpump app
Configuration
Default configuration
Using the web tool
Directly via serial
Firmware
Available Firmware
Updating firmware using an emonPi/emonBase (recommended)
Upload pre-compiled using EmonScripts emonupload2 tool
Upload pre-compiled manually using avrdude
How to compile and upload firmware
Hardware
Schematic
Board layout
Technical Guide
RFM69 Radio
Voltage sensing
Voltage sensors
Overview
emonVs-PSU
emonVs-mini
ACAC Converter
Temperature, Pulse & Analog
Temperature sensing
Pulse counting
Analog input
RJ45 Pinout
Expansion boards
Pi Pico WiFi Expansion Board
Adafruit ESP8266 Huzzah Wi-Fi Expansion Board
ESP32 Wi-Fi Expansion Board
Pi Zero Expansion Board
6 CT Expansion Board
6 CT Expansion board
Installation guide
Firmware guide