I currently have The Eclipse Mosquitto MQTT broker running on the Raspberry Pi 2, 3 and 4, Buster Raspbian, not to mention countless other variations of Debian and Ubuntu on various boards used at one time or another in the past (Orange Pi, various FriendlyArm boards and many others). Below…
Category: Raspberry Pi 2
HC 2020 and ESP-GO
Introduction (Latest update February 01, 2020) Minor update here – I’ve gone back to SDK 2.1 for now as RBOOT will just not reliably OTA on SDK 3.1 – and there is nothing wrong with SDK 2.1 Sick of reading about other people’s home control? Want to make your own?…
Raspberry Pi Serial Port
Over the past couple of years, I’ve installed operating systems on a number of little boards and I have to say, that while the Raspberry Pi with Raspbian is generally the easiest when it comes to enabling GPIO, the serial port can be a pain. Here is how to ease…
RPI Prototyping
Remember a few blogs back where we were talking about prototyping boards for Raspberry Pi and similar and I showed a sample board and someone came back and said “Ah but you can get cheaper on AliExpress” – well, I bought one… Here’s the link – £1.09 in sterling, free…
Grafana and InfluxDB
Some time ago I wrote a blog entry about garden sensors inside of which was buried some information about using Grafana and InfluxDB. At the time the install was not that easy – and when along came STRETCH for the Raspberry Pi (2 and 3) it got worse. However, reader…
Raspbian Stretch and GPIO Utility Fix
If any of you have installed the new “Stretch” version of Raspbian on the Raspberry Pi, you may have noticed a slight issue with the wiringPi GPIO utility.
The Real Raspberry Pi
I’ve been using the likes of FriendlyArm boards and similar for so long now, struggling at first with GPIO and I2c and as regular readers will know, finally pretty much mastering it due to hard research and more importantly, the works of people you’ll find links to in other articles…
The Script Step By Step
I thought it might be useful for beginners to go through the installation of Raspberry Pi 2 Jessie (July 2017) and “the script” – so here goes… I’m also doing this to help a friend who had issues installing the script on a Pi late last night, most likely due…
I2C Expansion for Pi and ESP8266
Want 64 GPIO pins on your ESP8266 or Raspberry Pi? Read on. If like me you are not THAT familiar with I2c, you might find the results of my experiments interesting and perhaps even useful. If like me you are not THAT familiar with I2c, you might find the results…
Sparkly new Pi
Just a very quick one (and somewhere to park the conversation)– there’s a new Raspberry Pi update out promising a new smoother, simpler look, better video etc. Up to now it looks like the claim is correct. I have several RPI installations…including TightVNC and so I didn’t want to lose…
VT100 Terminal for HC2018
Well, I had to give it a go, didn’t I – porting the code for the cheap VT100-type serial terminal into the main ESP8266 home control software. BOY was that difficult but… after 2 days of head-scratching – check out the home control manual in the source code repository for…
NOT Rip-Off Britain for Raspberry Pi
Here’s a bit of a reversal.. normally I steer clear of the UK for pricing as we tend to pay over the top… I can’t help thinking I’m reading this incorrectly…. However – here above is RS Components latest pricing for the Raspberry Pi 3 – the latest model –…
Raspberry Pi Node Red Serial Delight
Or – how to get USB serial ports working on the Raspberry Pi This originally was a cry for help – I wanted a second serial port on the Raspberry Pi AND I made the mistake of trying out Firmata on the Arduino at the same time – resulting collection…
Background Beavering
You could be forgiven for thinking I’ve gone off the boil as I’ve not written much in here this week… far from it in fact. This week I’ve been working on my ImperiHome setup and the new Raspberry Pi software. ImperiHome: In case you don’t know, ImperiHome is an app…
Remote checking Home Control Units
Those of you who are aware of the Home Control project (Home Control 2019) will know that the software/hardware combination of a Raspberry Pi (running Jessie, Node-Red, SQLite and Mosquitto) and ESP12 (running the software described in the Home Control project) is proving very reliable – but there are occasions…
Visual Interfaces for IOT
So much happening right now – the new Raspberry Pi 3 once again sets the bar with improved performance, Bluetooth and WIFI as standard. With up to 10x the speed of the original Pi we can do even more serious work with these devices. Please note before proceeding – apparently…
From Zero to Star Trek
Or controlling your IOT by voice. 2 days ago I was no-where with this – and today I “stand on the cusp” of having full voice control with just one minor issue bugging me – and as this subject has received so much attention I thought I’d better try to…
Cheap Raspberry Pi
Now before you say anything – they don’t even know I’m writing this!! Remember when I was in Chicago a while back (well, you’ll only remember if you’re a regular reader)… I bought a Pi Zero and a Raspberry Pi dirt cheap at somewhere called MicroCenter in Chicago. Well they’re…
Orange Pi PC– Battle of the PIs
This is a complete and much shorter re-write of an earlier blog entry – a lot has happened in recent months and so what’s the point of keeping stuff online that is no longer useful, right? Now, why would we want to revisit the Orange Pi PC? Well, because having…
General Update
The last couple of days has been interesting – we’ve been checking that the Raspberry Pi 2 script works properly – it turns out that it simply won’t work if you have any kind of root access to the Pi. I’d not realised by by giving myself SUDO access in…