Hacking an IotaWatt ESP8266
I need to flash the IotaWatt firmware (and write new files to the SD card) for two reasons: firstly I have a […]
Category: Energy Monitoring
Access Grafana without a login screen
Unlike Grafana 5, we can’t use the ‘old’ method of a proxy login to get a cookie for semi-permanent login. This post […]
IotaWatt: Multi-Tenant Setup using InfluxDB v1
This post describes how to setup IotaWatt on a single-database (multi-tenant) arrangement in Influx. Previously I described single database setup for Influx, […]
Hacking the Sungrow 5 Inverter
This inverter has a WiFi connection and opens ports 80 (password protected) and 502 (modbus). It’s possible to read the modbus registers. […]
Access Grafana v5 via token without login screen
This works for Grafana v5. Grafana v6 has removed this functionality for security reasons. This explains how I implemented a previously outlined […]
Investigating for IotaWatt, AWS, InfluxDB and Grafana
I’ve previously used EmonCMS to log power and energy data from a IotaWatt / EmonTx system. This works well, but I’ve been […]
Sizing a Battery and Solar System with Phisaver Data
This follows how I sized a solar and battery system for my house, using energy monitoring data from phisaver. An example of […]
Iotawatt: Single Tenant InfluxDB and Grafana Setup
This post summarises how I configure IotaWatt, InfluxDB and Grafana to display energy consumption. It uses an AWS EC2 instance. See installation […]
Improving Fridge Performance
As recent client had a few fridges, including wine fridges. They varied in age. Initial PhiSaver analysis over a few weeks showed […]
Installing Grafana, InfluxDB, Apache2 on AWS EC2: Step by Step
A medium-performance setup for Grafana on AWS. Private files at github. Setup the instance t3.large, Ubuntu 18 (or AWS Linux 2) as […]