15th Jan 2017

Sonoff POW and S20 Smart Socket

Sonoff POW and S20 Smart Socket from ITEAD

There’s one great little (or possibly quite big) company in China, making the absolute greatest devices for tinkerers. It’s called ITEAD and they have just sent me 2 of their latest devices to test (thanks…

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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…

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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…

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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…

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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…

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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…

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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…

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8th Oct 2015

wifi connection manager for esp8266

WiFiManager ESP8266 WiFi connection manager library (Arduino IDE)

ESP8266 WiFi Configuration Library The burden every headless wireless connected device needs to overcome is how to connect to the network without having to hardcode any credentials in it’s firmware. For the ESP8266 based devices…

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