January 19, 2022June 26, 2024Computing, Programming Why the hell can’t I login to PostgreSQL? Some possible reasons and solutions Wrong host Use the “-h” flag: psql -h localhost -U phisaver –password Wrong syntax Use -U and […]
January 17, 2022January 17, 2022Computing, Programming Periodic Emails with Django Rough notes on meeting these requirements: Using Django Send weekly / daily emails to someone Log results Be robust and simple Packages […]
November 12, 2021November 25, 2021Computing WordPress Setup (and Migration) WordPress: meh. But anyway:
October 3, 2021April 12, 2022Hiking, Skiing, Mountains Long Distance European Hiking… with a Tweenager Gear Sleeping bag MD Ultra 500 (900g) has a probable EN rating of -8°C (limit) to 0°C (comfort). This was ok for […]
September 13, 2021Energy Monitoring, Internet Of Things, Sustainable Buildings Energy Dashboards Currently (2021) PhiSaver has one billlion data points. It’s a bit hard to display in a single user dashboard. An efficient user […]
August 23, 2021December 20, 2023Energy Monitoring Energy Monitoring: Circuit Positives and Negatives! Control Volume Switchboard This is how I use a control-volume approach to practically monitor circuits. It’s half maths and half “it’s easy […]
August 17, 2021September 20, 2021Computing, Internet Of Things InfluxDB v2 (Flux) Setup for Energy and Power Data from Iotawatt This are my notes on setting up InfluxDBv2 for storing Iotawatt power readings. Specifically I needed to: Transition a live site from […]
August 2, 2021May 12, 2022Uncategorized Raspi (Zero W or Rpi 4) router with wlan1 Wifi Dongle Pi Zero There are a few options to do this. I used the official documentation and adapted it to create a script: […]
June 27, 2021June 27, 2021Uncategorized InfluxDB1 to InfluxDB2 with SSL Install new Ubuntu 20 LTS on AWS (t3.medium). ‘t3 is better value than t2’ (tried installing influxdb2 (auto upgrade from v1) then […]
May 3, 2021June 11, 2023Computing, Energy Monitoring, Internet Of Things Enclosures for electronics and RF Investigations into using ABS, polycarbonate and sheet metal enclosures to house electronics with a focus on getting that radio signal (wifi, 3G/4G) […]