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 …
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ESP32 Development Environment - Bleeding Edge ESP-IDF v4.1 with cmake
There's a few options to program the esp32: Arduino IDE : good. Heaps of support and tutorials. Some key limitations for ESP32, such as sleep modes. ESP-IDF with Eclipse: messy to setup. Works okay. However, …
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. …
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 …
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 …
Talking and Listening with Python
I note some details about getting Python 3 to talk and listen, and read and write (Exif data) Setup >py -v Python 3.5.2 >>> platform.architecture() ('64bit', 'WindowsPE') Listen >pip install SpeechRecognition >pip install PyAudio # …
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 ' m…
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 …
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 …
Beeson Excel Function
What is it? These add-in contains various User Defined Functions. They can answer the following Where is the Sunday in London on Friday afternoon in 2020? What is the wetbulb for a given humidity? How …
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 looking for a flexible and fast alternative. The combination of IotaWatt, InfluxDB and …
Tips for InfluxDB and Grafana when using IotaWatt
This post is a collection of tips, in no particular order. It follows on from Iotawatt, InfluxDB and Grafana Setup which is a step-by-step. Do that first, then tweak with these. Snippets for Influx # …