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 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…

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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…

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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 Oct 2015

ESP8266 Smart Config – ESP TOUCH with Arduino IDE

ESP8266 chips have a handy little feature that allows you to configure WiFi credentials that they use without actually connecting to them. One of the protocols it supports is called ESP Touch and to get…

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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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24th Sep 2015

CH340 CH341 serial adapters fix for El Capitan OS X

UPDATE 4 Jan 2016 I have seen this driver reported as working without disabling kext signing Signed CH340 Driver http://blog.sengotta.net/signed-mac-os-driver-for-winchiphead-ch340-serial-bridge/ Thanks Bj√∂rn. I have not tested it as i have already done the below and…

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