Zinken Compact 21 : Repairs
I bought this unit in Brisbane, Australia. This records details in case they are useful to others. Bearings Bearings were mostly stuffed […]
Author: Brett
PiZeroW AP + Wifi Client
So I wanted to be able to set the Wifi details of a Pi without connecting a monitor and keyboard. Easy, right? […]
Time Travel, unittest.mock, freezegun and monkeypatch
To test time-dependant programs, such as timelapse camera, we can fudge the system time (sleep,. now()) in Python. Some options are: https://github.com/spulec/freezegun/ […]
Ubuntu 18 on Dell Windows 10
Notes on how to install and tune a HyperV VM running Ubuntu linux, for development. Did this March 2020. Did it on […]
Battery PiZero W, PiJuice Zero and a Camera
Goal Make a really simple timelapse camera. Runs on a Pi and uploads photos when WiFi available Always taking photos and saving. […]
Raspberry Pi Setup (Linux)
Setup SD Card on another linux machine to install headless I use Desktop Raspberry Pi OS distro. This is tested on a […]
SSH Port Forwarding
There’s heaps on this on the internet and a good book. Here is my usage, which is useful for IoT connections. Remote […]
Daylight Analysis
Level 1 (Ground) We want good daylight – a “daylight factor” (DF) if used with a uniform sky. <2% is dim (dark […]
Solar Analysis
In Brisbane we want zero sun in Summer, a tiny tiny bit in Spring and Autumn and a reasonable amount in Winter. […]
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 […]