Humidity Measurement Using HYT939 and Raspberry Pi

HYT939 is a digital humidity sensor which works on I2C communication protocol. Humidity is a pivotal parameter when it comes to medical systems and laboratories. So, in order to accomplish these goals, we tried to interface HYT939 with Raspberry Pi. In this tutorial, the interfacing of the HYT939 sensor module with Raspberry Pi is demonstrated and its programming using Java language has also been illustrate ...

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Getting & using data from OpenWeatherMap

It is easy to get local or international weather data (such as current temperature, humidity, wind speed & so on) using the OpenWeatherMap API. This could be very useful to me as part of my bird box project for 2015. But my immediate concern involves our central heating system, and how to determine the local weather conditions. At the moment I can't measure the outside temperature using my RaspberryPi s ...

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RasPiO Analog Zero – Read 8 Sensors At Once On Raspberry Pi

We're into the final hours of this campaign now. After it's finished, you can find all information and resources at... RasPiO Analog Zero is a Pi Zero-sized board you can use with GPIO Zero to... read up to 8 analog inputs at once make a weather station make a digital thermometer make a voltmeter use potentiometer dials for control and display read analog sensors or voltages make your own embedded device wi ...

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ramanPi – The 3D Printable Raspberry Pi Raman Spectrometer

ramanPi is looking for developers!!! ****If you have Python, pyQt4, matplotlib, signal processing, optics, raman spectroscopy or FPGA experience contact dev @ ramapi .org! Or go to dev . ramanPi . org and sign up to the developer forums! What I want to do: Build a Raman Spectrometer based on a Raspberry Pi, make it 3D Printable and customizable.. An open source 3D Printable Raman Spectrometer that uses a ra ...

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Using the Raspberry Pi Wobbulator to test the G6LBQ Multiband Bandpass Filter

Finally, I decided to use the Raspberry Pi Wobbulator to test the frequency response characteristics of the G6LBQ multiband bandpass filter which I had built as part of a homebrew transceiver project. The fully assembled filter board is shown below (it is part of a Bitx Transceiver project I'm working on) and it covers the whole HF spectrum in 9 bands, all the way from the 160m band (1.8  - 2.0 Mhz) to the ...

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ESP8266 + Raspberry Pi Electricity Monitor

I have always been monitoring my utility meters in the old fashioned way. First I wrote them down in a little ledger (yep, I'm that old), later I wrote a spreadsheet for it and the last few years I'm using the ECAS smartphone app to do the trick. I always wanted a live monitor, but they are rather expensive and do not give all the information I want. So a few months back I stumbled up on the Arduino, quickl ...

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Environmental Monitoring with BaeagleBone or RaspberryPI and Ardunio

This is a project I've been working on for a while, and still have ways to go, but I have enough success right now that I can I share what I've got.  This covers connecting a Beaglebone and an Arduino via TTL serial and I2C, using a parallel LCD with an Arduino, using a DHT-22 with Arduino, and using DS18B20 1-wire sensors with a BeagleBone in the next week or so. I believe that all the instructions here wi ...

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Intel Edison Spectrophotometer

This instructable will explain how to build a fairly basic. Of course, this device is nothing compared to a commercial spectrophotometer, but it will allow the builder to understand how such a device works to using it for DIYbio. Know-how The spectrophotometry is the quantitative measurement of the reflection or transmission properties of a material as a function of wavelength. Aspectrophotometer is commonl ...

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