FAB11–Boston

This coming Monday/Tuesday/Wednesday I’ll be working with Espressif CEO Swee-Ann Teo,  Jeroen Domburg, Ivan Grokkhotkov and others at FAB11 in Boston – demonstrating how to use the ESP8266 chips in home control and other applications.Heading off from Alicante first thing in the morning tomorrow (Sunday) and arriving late afternoon in…

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ESP8266 Reliability and ID

Questions for you C programming ESP8266 guys re: the ESP SDK (1.2.0) and some possibly important info on WIFI and MQTT reliability. In the SDK: wifi_station_set_hostname wifi_station_get_hostname HOST ID….  If you do an IP scan on a windows network – ESP units will coming up as IP addresses – and…

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Hackitt and Bodgitt discover Healthy Lighting

There has been a lot of talk in the press recently about the colour of lighting and it’s relevance to health. As far back as 2012, the BBC reported that NASA were to test “space-sleep colour-changing lights” on the international space station and since then there have been a number…

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Accessing ESP8266 Arrays in FLASH

A new challenge – the answer to which I will post in here. Accessing an ESP8266 C array in FLASH – i.e. never touching RAM until you actually access something.  One suggestion was to ensure you use 4-byte variables.. so I tried this – it compiled – the array is…

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Lua Revisited

Back in the dark ages when the ESP8266 was something new, I had a go at the nodeMCU software, essentially implementing the Lua language (or a subset of it) on the ESP8266.  At the time I was not familiar with Lua but thanks to some of the excellent resources out…

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