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Category Archives: arduino
Arduino – logging accelerometer
This logging accelerometer is set up using Arduino UNO compatible microcontroller SD card adapter Three axis digital accelerometer Various cables, breadboard and an sd-card (any size will do) The library for using the SD-card comes with the arduino IDE v … Continue reading
Sensor testing
Comparing measurements of temperature and humidity using DHT11, DHT22, BMP085 and DS18B20. Continue reading
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Arduino and BMP085
The BMP085 is a barometric and temperature sensor. I’ve got one on a breakout board from geeetech. Using this and an arduino, it is possible to build an electronic barometer. It can be connected to an arduino uno or nano: … Continue reading
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Reading temperature data out of postgres
I have set up a system logging temperatures (and later hopefully also other parameters) to a postgres database. The data are now read out and presented as an svg-graph. (this may not work in some older browsers, i.e. msie< 9 … Continue reading
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Storing temperature data in postgresql
Pushing temperaturedata from an arduino setup into a postgresql database Continue reading
Posted in arduino, php, sql
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Arduino and infrared reflective sensor
Testing a infrared reflective sensor module. I set it up with an arduino board, running the following sketch: int sensorPin = 10; int value = 0; int prevval =0; int count=0; void setup() { pinMode(sensorPin,INPUT); Serial.begin(9600); } void loop() { … Continue reading
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Store data from temperature server in couchdb
Fetching json data from an arduino server, adding a time stamp and stashing it all into a couchdb. Continue reading
Arduino – temperature webserver
A simple Arduino based web-readable multi channel termometer. Continue reading
Posted in arduino, Diverse
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ENC 28J60 ethernet module with arduino
How to connect an ENC28J60 ethernet module to arduino using arduino v 1.0.1. Continue reading
Arduino thermometer / hygrometer
I am using an arduino uno bought in a kit with a LCD/button shield and a DHT11, both parts bougth from dealextreme, although also available from a lot of other places. The DHT11 is connected to the arduino: * pin … Continue reading
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