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Läs mer om artikeln First day with BirdCam

First day with BirdCam

Last Friday I heard some strange noises outside my office window. To my big surprise I then noticed that there was a bird’s nest growing on the window sill. It did not take long until I even saw the new tenant moving in:

Outside my office window...
Outside my office window…

So far I have identified the birds as Song thrushs and the nest was steadily growing until about lunch time. After lunch no bird returned and I was almost afraid that something might have scared them off. However, I still planned to install a webcam to watch the nest during the coming weeks.

In the evening I set up a left-over Raspberry Pi Model A and an simple USB webcam. It’s running Raspbian Jessie and fswebcam and curl using a cron-ed script file. The camera itself is duct-taped to the inside of my office window.

Fortsätt läsaFirst day with BirdCam
Läs mer om artikeln ATmega328P - measuring its own supply voltage III
Timing of the internal analog-to-digital converter of an ATmega328P with a 5 V supply voltage.

ATmega328P - measuring its own supply voltage III

[latexpage] After the first two parts of this series ATmega328P – measuring its own supply voltage ATmega328P – measuring its own supply voltage II where I investigated the possibility of…

Fortsätt läsaATmega328P - measuring its own supply voltage III
Läs mer om artikeln ATmega328P - measuring its own supply voltage II
A simple yet versatile testcircuit for the analod-to-digital converter.

ATmega328P - measuring its own supply voltage II

[latexpage] Here is a brief follow up from yesterday's post on the internal reference voltage VBG of the ATmega328P. I wrote a small test program where I wait for a…

Fortsätt läsaATmega328P - measuring its own supply voltage II