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Tag: hardware

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
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
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
Voltage divider with a 3:5 split

Measuring battery level on ATTiny when using a step-up converter

When powering a circuit directly from the power source the battery level…

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Posted on: 18 Sep 2015 Written by: Anders Comments: Comments: 2

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