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Tiny sensors and such ..

Sonoff smart IoT switch

Hackable smart switch

It’s been quite a while since I last wrote anything here, mostly…

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Posted on: 16 Jan 2017 Written by: Anders Comments: Comments: 0
Pin Change Interrupt Example

Using interrupts with the ATTiny84

Most IoT sensors report their measures to the base station on a…

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Posted on: 1 Apr 2016 Written by: Anders Comments: Comments: 0
Check and reestablish WLAN connection

Auto-reconnect WiFi on Raspberry PI using Node-Red

Updated 2017-02-06: I have had trouble getting reliable operation from the method…

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Posted on: 21 Mar 2016 Written by: Anders Comments: Comments: 2
Upgrade Node-Red 0.11.1 to 0.13.3

Upgrading Node.js and Node-Red on Raspberry PI running EmonBase

It’s been a while since I last posted anything here. I have…

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Posted on: 10 Mar 2016 Written by: Anders Comments: Comments: 0
Node-Red Check Disk Usage

Using Node-Red to monitor disk usage

This is the second follow-up on my article series on Installing Node-Red as…

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Posted on: 5 Dec 2015 Written by: Anders Comments: Comments: 0
DHT22 Humidity flatlining

Using DHT22, RHT03, AM2302 and other humidity sensors outdoors

Humidity sensors are sensitive to the environment, they operate in, in more…

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Posted on: 20 Nov 2015 Written by: Anders Comments: Comments: 2
Node-Red Check Sessions Flow

Using Node-Red to monitor its sessions cache

UPDATE: It turned out that the initial solution presented here did not work…

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Posted on: 6 Nov 2015 Written by: Anders Comments: Comments: 0
Node-Red Login Prompt

Securing Node-Red

UPDATE 10-01-2017: a) The method for generating the password hash has been…

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Posted on: 24 Oct 2015 Written by: Anders Comments: Comments: 11
Node-Red

Installing Node-Red as an intermediate layer between RFM interface and EmonCMS

This is the third part of my article series on how to set up…

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Posted on: 22 Oct 2015 Written by: Anders Comments: Comments: 4
EmonCMS with HTTPS enabled

Enabling SSL for EmonCMS

Whether you have installed EmonCMS as part of EmonHub or simply cloned…

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Posted on: 22 Sep 2015 Written by: Anders Comments: Comments: 2

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Apache ATTiny ATTiny84 BasicAuth battery powered DHT22 EmonBase EmonCMS EmonHub experience hardware HTTPS interrupts IoT Linux Maintenance MQTT Network Node-Red PCI PiFi Raspberry PI RFM12PI RHT03 Security Sensor SSL voltage divider
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