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Month: April 2016

The Electrodragon Alternative

April 29, 2016April 30, 2016 Peter Scargillelectrodragon92 Comments on The Electrodragon Alternative

  Part 1: At $6, the Electrodragon “WIFI IOT Relay Board based on ESP8266” looks like a force to be reckoned with, offering WIFI control over two 10 amp relays. But what about the SONOFF from ITEAD? How do they compare? Making use of their own incredibly cheap power supply…

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Status update

April 27, 2016April 27, 2016 Peter ScargillESP826649 Comments on Status update

It may seem like I’ve been quite the past week – but having arrived safely in Spain we’ve had lots to do.  However I have done some updates to the “home control 2016” blog entry as I’ve implemented some fixes to the node-red-contrib-esplogin node. For those of you unfamiliar with…

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North East Maker Faire 2016

April 24, 2016 Peter ScargillESP8266, maker faire uk, ota4 Comments on North East Maker Faire 2016

I could not be there at the Maker Faire UK in the Centre for Life in Newcastle – but thanks to my spies – it’s great to see so many people there. Apparently this couple on the left are into ESP8266 and got some ideas from the blog.  Glad you…

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PWM Woes

April 24, 2016April 24, 2016 Peter ScargillUncategorized3 Comments on PWM Woes

  Just in case anyone is having issues with the ESP8266 SDK and PWM. Problem now “solved” but you might find this interesting. For many months now I’ve been using the PWM on the ESP8266 successfully, so much so that I’ve not tested it and just recently I’ve noticed it…

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Simple Serial Terminal lost blog

April 23, 2016October 20, 2019 Peter ScargillESP8266, terminal10 Comments on Simple Serial Terminal lost blog

For reasons beyond me the original article on my serial terminal, originally put together when I was messing with LUA, has disappeared from the blog entirely – and so here’s a quickly updated version but this is no longer developed as I use YAT which is GREAT.. So above right…

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Installing the Works – The Script

April 18, 2016August 19, 2017 Peter ScargillUncategorized56 Comments on Installing the Works – The Script

This is the original blog entry on the home control script – now replaced… https://tech.scargill.net/a-christmas-script/ Please ONLY use the script referred to in the new blog entry!

esp8266 Annual Awards

April 16, 2016April 16, 2016 Peter Scargillnextion19 Comments on esp8266 Annual Awards

Just a note to say THANK YOU to everyone who voted for the Nextion Wifi Touch Display over at esp8266.com in their first annual competition.  I just found out this morning that we won second prize, beaten to the top only by the excellent esp8266 Basic Interpreter – a great…

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Track Broadband Outage in Node Red

April 16, 2016April 16, 2016 Peter Scargillbroadband, Node Red, SQL, SQL Lite3 Comments on Track Broadband Outage in Node Red

Actually I could have given this a range of titles – as the following is useful in a range of situations. But first let me explain my problem: The problem: I’ve been having broadband issues. The broadband cuts out for a few minutes without warning and then reconnects.  I just…

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WIFI Public and Private Access Point

April 13, 2016 Peter ScargillOM2P6 Comments on WIFI Public and Private Access Point

Many moons ago when we first bought our place in Spain (6 days and counting) I bought something called an OM2P – a small white WIFI Access Point. I’m talking several years ago. What I was after was private WIFI and public WIFI – something I could charge a nominal…

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Duff lights

April 13, 2016 Peter ScargillLEDs2 Comments on Duff lights

As everyone in here is into technology – and as that means you’re more than likely to buy LED lighting for your home, I thought I’d take this opportunity to issue a helpful warning – especially for those in 240v AC areas. While I have generally had great success with…

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Pong Detection

April 13, 2016April 13, 2016 Peter ScargillFC-223 Comments on Pong Detection

These are good fun – FC-22 Harmful Gas Detector I just received 2 of them – they run from 5v, using around 0.7 watts.  I just bought them on a whim as we were busy joking about cat poo. At the time our new cat Chloe (ragdoll) was having stomach…

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PubNub versus MQTT

April 7, 2016April 7, 2016 Peter Scargillpubnub8 Comments on PubNub versus MQTT

Today I’ve been playing with PubNub. This is a something-vaguely-like MQTT like service.   Now if you’ve read my articles you’ll know I’m not keen on public services for IOT – what happens if they go down? That’s your fridge on the blink… but this one looks interesting because they have…

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Flashing HC 2019 Code

April 6, 2016September 5, 2019 Peter ScargillESP-12, ESP-12E, ESP-12F, ESP8266, Espressif287 Comments on Flashing HC 2019 Code

This entry is now incorporated into the main Home Control blog entry. This is for the people who’ve been trying out my software (or thinking of trying it out) on the ridiculously cheap (£1.40) but very reliable, powerful and comprehensive ESP12 WIFI processor board and those who’ve gone ahead and…

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PHPSYSINFO on Raspberry Pi

April 5, 2016 Peter ScargillUncategorized8 Comments on PHPSYSINFO on Raspberry Pi

Just to save anyone getting caught out with out of date information, if you want to install phpsysinfo on your Raspberry Pi 2 or 3 running Jessie… the picture below is self-explanatory – simple to install and some worthwhile info.  RPI-Monitor is another useful monitoring tool. sudo apt-get update &&…

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KILLER KILLER

April 3, 2016April 3, 2016 Peter ScargillUncategorized7 Comments on KILLER KILLER

As someone has put up an article entitled “ESP8266 Killer?” I thought I’d better step in.. There are two boards to look out for on Ebay – the EMW3165 – http://goo.gl/ccWgtT and the NL6621-Y1 – http://goo.gl/qdMhtm I noted one article suggested the EMW3165 was “just a dollar more than the…

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Microwave Radar

April 3, 2016April 3, 2017 Peter Scargillmicrowave67 Comments on Microwave Radar

As soon as one mentions “microwave radar” I’ll bet you’re thinking “expensive” – well how does under 2 quid sound… http://goo.gl/BgwcbZ These little devils are movement detectors, bought from Ali Express on a whim and they use the PCB as the antenna (3Ghz) – hence the ridiculously low price. So…

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ESP12 and Memory

April 1, 2016 Peter ScargillESP-12, ESP-12E, ESP-12F, ESP-13, ESP-201, ESP-210, ESP12, ESP12E, ESP12F, ESP32, ESP8266, ESP8266 SDK4 Comments on ESP12 and Memory

Anyone writing large projects with the ESP units in C (and probably in other languages without necessarily realising it) will have come across the problems of .TEXT memory. This is the RAM used to store functions. Functions are stored in their own part of RAM called .TEXT memory and it…

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As I have no idea of your level of technical skill or the requirements of your country laws in terms of electricity supply etc, I accept no responsibility for any damage attributed to following advice in these pages.

When dealing with wall outlet (high) voltages you should satisfy yourself that whatever you are doing is safe and if unsure, seek advice from someone who is sure.

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