Access Grafana v6 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 investigates options to achieve the goal of: Provide a user a “secret” URL which allows them to login to grafana […]

Pi Zero W Timelapse Camera

This scratch pad records my experience with a Pi Zero W unit, capturing outside timelapses. Controlling the PiCamera Reference to python module for control of the Pi Camera (I’m using r1.3). Dev Setup On a headless pi, it’s a pain to view […]

WebApp Development for a Esp32 Arduino Sketch

AJAX or websockets will allow nicer development. I’m trying BootStrap to get a tidy interface. Bootply.com and layitout.com enable you to easily create a css/html set of file to display nice buttons and the like. Pingendo (a desktop app) was better for […]

ESP32 Tricks and Tips

Time Keeping The ESP32 docs say you can set the RTC to keep time in deep sleep (“RTC clock is used to maintain accurate time when chip is in deep sleep mode”). This post details how to restore normal system time from […]

Mini Battery and Solar Powered Timelapse Camera

I wanted a small, battery-powered timelapse camera. First I tried mobile phones but they were not stable in the long term. Previously I’d used a Raspberry Pi which is good, but not battery friendly, a bit big, and a bit of an […]

Use Monit on AWS and Ubuntu

Examples # Monit local http process check process httpd with pidfile /var/run/httpd/httpd.pid start program = “/usr/bin/systemctl httpd start” stop program = “/usr/bin/systemctl httpd stop” if children > 250 then restart if 3 restarts within 5 cycles then timeout# Monit local endpoint check […]

VBA Regex

Typical Replacement Example Dim objRegExp As Object ‘ RegExp using Microsoft VBScript 5.5 Set objRegExp = CreateObject(vbscript.regexp) Dim res As String res = Some text to stuff around with objRegExp.Global = True ‘ match all instance objRegExp.IgnoreCase = True ‘ Multi-space to […]

Time Lapsing with Raspberry Pi

Time Lapse Setup TimeLapse on RPi Enable camera via raspi-config Get pi-timolo which provides a nice script set and configuration to run time lapses Follow the update instructions on that page. Install pi-timolo as a service if you like. I found that […]

Web Design Services

I specialise in websites for: Small Australian businesses Bed and Breakfasts, and small hotels Architectural firms Retailers needing banking and e-commerce integration Since I work from home, I can keep costs down. Please contact me directly to discuss your requirements. I’m a […]