ESP32 vs ESP8266

The Espressif platforms still remain a firm favourite of mine in terms of price point, ease of programming and functionality. I’ve been trialling the ESP32 as the new Central Heating controller over the winter (2017/2018) and have been experimenting more recently with using the smaller modules for solar-powered temperature monitoring nodes. The ESP-01, ESP-07 and… Continue reading ESP32 vs ESP8266

Installing Packages from PPAs in Ubuntu

It’s no secret that the officially maintained¬†repository for Ubuntu can get out of date quickly. A lot of software developers/houses are now letting you install applications straight from their repositories. Ubuntu makes this possible with PPAs or “Personal Package Archives” ( So – how do you add a PPA to your system and then hence… Continue reading Installing Packages from PPAs in Ubuntu

Getting Things Posted from Abroad

I’m acutely aware that I’m cheap. Many others, when getting things shipped from abroad (especially Asia), will use DHL-type services. Those big international names that can guarantee delivery across the globe in 3-4 days. But that comes at a price. Literally. For example – from China to UK¬†for an 850g (max weight) parcel (set of… Continue reading Getting Things Posted from Abroad