Installing Go Compiler On Raspberry Pi 4 (Raspberry Pi OS 32-Bit)

Go (Golang) requires a compiler to build it's code and it only takes a few lines to install that compiler on the Raspberry Pi. I'm using a Raspberry Pi 4 with Raspberry Pi OS (32-bit). Download the appropriate binary release The binaries are available from https://golang.org/dl/ . The Raspberry Pi 4 is running on an … Continue reading Installing Go Compiler On Raspberry Pi 4 (Raspberry Pi OS 32-Bit)

Grafana, Prometheus and Node Exporter On Raspberry Pi via Ansible (Raspberry Pi and Linux)

Node Exporter dashboard showing system metrics

If you want to see metrics in real time and look at web dashboards then Grafana and Prometheus may be the tools you are looking for, and if you are anything like me then you probably want to automate as much of the install as possible via Ansible. My Set Up For this blog post … Continue reading Grafana, Prometheus and Node Exporter On Raspberry Pi via Ansible (Raspberry Pi and Linux)

Sense Hat Pictures (Raspberry Pi)

After making rainbow displays on the sense hat my son realised that the Raspberry Pi sense hat's LED display could be used to output art including a creeper from Minecraft. Note: This is inspired by https://magpi.raspberrypi.org/articles/make-a-sense-hat-rainbow-display-for-your-window The sense hat has an 8x8 display of individual LEDs which can be programmed to display individual colours. For this … Continue reading Sense Hat Pictures (Raspberry Pi)

Python and Bluetooth – Part 1: Scanning For Devices And Services (Python)

"Track and Trace" has got some attention in recent times here in the UK as the Covid-19 (Coronavirus) lockdown level looks to be relaxed. Part of the "Track and Trace" program is a mobile application that uses low energy bluetooth beaconing to see what other devices running the application have been close by. This has … Continue reading Python and Bluetooth – Part 1: Scanning For Devices And Services (Python)

Raspbian and Raspberry Pi OS (Raspberry Pi)

Just a quick blog post about my favourite mini computer, the Raspberry Pi. This morning (Thursday 28th May 2020) the Raspberry Pi Foundation announced the launch of the 8GB Raspberry Pi 4 (official news here: https://www.raspberrypi.org/blog/8gb-raspberry-pi-4-on-sale-now-at-75/) to join the year old 4GB and 2GB Raspberry Pi 4* Alongside the news of the new Pi model … Continue reading Raspbian and Raspberry Pi OS (Raspberry Pi)

Raspberry Pi MicroSD Check Using Agnostics via CLI (Raspberry Pi)

sudo apt install agnostics

Towards the beginning of March 2020 raspberrypi.org released a tool to check the speed of a microSD card being used by the Raspberry Pi. The details for this tool, called "agnostics" can be found at https://www.raspberrypi.org/blog/sd-card-speed-test/ or if you want to install the tool then use sudo apt install agnostics . You may need to … Continue reading Raspberry Pi MicroSD Check Using Agnostics via CLI (Raspberry Pi)