21st Sep 2016

CH340 CH341 serial adapters on macOS 10.12 Sierra

After installing your new, shiny, macOS update you might have found out like me that plugging in any device that relies on a CH340/CH340G/CH341 device (like the ESP8266 based Wemos D1 Mini) immediately throws a…

Read More

7th Jul 2016

Meteor Roles and Flow Router Route Authentication Problems

If you ever played with Meteor, you most likely started adding routes so you have various pages in your project. If you started getting more serious with your project you added user authentication and then…

Read More

21st May 2016


Sonoff (ESP8266) Part 2 – Control with Blynk App on iOS or Android

Hopefully you already skimmed through part 1 of the Sonoff trilogy (or maybe quadrilogy? ) that tells you all about the Sonoff, what it is, what it can do, how to put the firmware on…

Read More

18th May 2016


Sonoff (ESP8266) reprogramming – Control Mains from Anywhere

What’s a “Sonoff”? you ask Is it sold at Ikea? No, this is not sold at Ikea:) The Sonoff is a very small module, basically a wifi enabled wireless switch, based on the ESP8266 chip…

Read More

17th Mar 2016

ESP8266 Arduino IDE TravisCI Build History

Automate Arduino ESP8266 Testing with TravisCI

This is one thing I’ve been meaning to do for a long time for my little ESP8266 library and finally got around to doing it. Continuous Integration automated builds using Travis CI. For Arduino. For…

Read More

18th Dec 2015


Battery Powered ESP8266 WiFi Temperature and Humidity Logger

I wanted to have a few portable and long lasting temperature and possible humidity sensors I could just throw around hand have them working with as little hassle as possible. Enter the Battery Powered ESP8266…

Read More

25th Nov 2015

ESP8266 emonTX Serial to EmonCMS over WiFi

Do you have an emonTX, emonTH or any other serial printing sensor node that you wish was internet enabled? This might help then. What is it This is a small ESP8266 (Arduino IDE support) sketch…

Read More

16th Nov 2015

Enable access to Mosquitto on the latest EmonHub

This post is just a note/reminder on how to enable ports on the low write emonhub / emonpi raspberry pi prebuilt image so you can then access the already installed MQTT Mosquitto server The Mosquitto…

Read More

29th Oct 2015

node red custom flow

Developing Node-RED custom nodes helping notes

Stuck while making a Node-RED custom node? Been there, done that and after going through a lot of webpages, group posts and documentation I came up with solutions, if not perfect at least workable. I…

Read More

26th Oct 2015

Apple AppStore Upload Successful

AppStore submission error ITMS-90206 in XCode 7 with Cocoapods 0.39

Finally managed to get XCode 7 to compile your shiny project that has an extension and uses Cocopods? Managed to create and Archive and hit the wonderful Submit to AppStore button just to be hit…

Read More