Custom Development Boards To Speed up Development

(This article is updated regularly as I create new development boards. The new ones are towards the bottom of this page.) Over the years I have created several development boards and breakout boards. Despite their cost (time, effort, money) they are invaluable investments for development. They simplify and speed up …

Broadlink Smart Bulb Conversion to Open Source

Introduction Recently I have come across some smart LED light bulbs that came in different sizes, shapes, functionalities and manufacturers. One thing they share is that they all do their “smarts” over a WiFi connection for which you need to use a smartphone and one of the many apps that …

Expert tip: Add More Flash Memory to your Sonoff Basic Wifi Smart Switch

Introduction The Sonoff Basic Wi-Fi Smart Switch is an inexpensive wireless smart switch for anyone who wants to remote control and/or automate electric devices around the house or workplace. Unfortunately, it suffers from the same privacy issues as many of the inexpensive consumer grade smart devices, like the one in …

Privacy Showcase: How to Use Smart Devices without Ewelink/Internet

Recently, more and more consumer devices are available to make your home “smarter”. While they can make our lives a bit easier, comfortable, most of these smart devices also give rise to a number of privacy concerns as well as usability/reliability issues: The mobile apps (i.e. Ewelink, Smart life, etc) that …

Giving New Life to LCD Screens from Old Laptops, TVs, Monitors, etc.

Introduction Over the years I have collected quite a few laptops (among many other things…). I usually pick them up when my friends and relatives get a new laptop and they throw away the old ones. Most of these laptops are not working and/or very old (i.e. around 15 years …