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Hot-selling attractive price Weighing Scale LCD Display to Hamburg Manufacturer Detail:
Sinda Display Technology Co., Ltd. is one of the best China LCD display manufacturers and suppliers. We can custom LCD display exactly according to your request. Now we are provide customs display for instrument like digital panel meter,multimunction meter,elevator, POS machines, LGP Dispenser, Fuel Dispenser, Oil Dispenser, Gas Dispenser, Flow Meter, KWH Meter, Energy Meter, Water Meter, Gas Meter, Smart Meter, Clock & Watch, Telecommunications device, Home Appliance, Industrial Controller, Car Audio, Color Display Systems and the other industries, Measurement device, UPS, Solar Inverter.
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This is a Weather Station configured for indoor climate monitoring. Previous video here: http://www.youtube.com/watch?v=3SF56iSQo2E
I gave this project a “Retro” look and
added a 3 Channels recorder including some new features like:
-Events detection and logging
-Data logger in excel files
-Rate monitoring and logging
-Up to 3 Cams video monitoring.
-Pause, Fast Forward and Rewind functions.
-On screen unit conversion tables.
-Sensors Power Supply Monitoring.
-Moving Magnifier Glass.
-Possibility of taking screen and cams still pictures.
-Cams video zooming and panning (by software)
-On Screen Cursors to take measurements.
-Emailing events (this feature is pending and emails are not sent for real yet).
This time I’m using real sensors for the Atmospheric Pressure and Temperature. For the Barometric Pressure I’m using the SB-100 sensor from Apogee Instruments, Inc (http://www.apogeeinstruments.com/barometric-pressure/)
This is a high quality professional sensor providing an amplified liner analog output. It is a very sturdy, accurate and reliable sensor and very easy to use as it requires no amplification and can be connected directly to one of the Arduino analog inputs. For the Temperature I’m using the ST-100, another high quality professional sensor very reliable and accurate (http://www.apogeeinstruments.com/temperature/.) from the same company. It is also connected directly with no amplifier to another Arduino analog input. The linearization equation provided by the manufacturer in the data sheet was pretty straight forward to implement in the Processing code. The performance of these sensors have been excellent. For the Relative Humidity there is no sensor connected at this time; but a potentiometer is used to simulate variations to show in the video as this is a very slow varying variable. In the video, variations in temp were introduced by touching the sensor with the fingers and you can see how sensitive it is. The atmospheric pressure variations shown in the video were introduced by blowing the sensor with mouth air. Also very sensitive.
This code is CPU and memory usage intensive and when run together with the screen video taping software I’m using, it slows down a little bit.
As this is a complex and new Project the code still has a few problems here and there and needs some fine tuning.
This is the code in general terms on how to log the data using Processing.
datalogger=createWriter(“datalogger.csv”);//(If no path is specified it will create the file in the sketch data file. If not, in the folder you specify the path for)
If .csv is used as the file extension then the data will be logged into a “comma separated values” file which can be opened using Excel. If .txt is used the data will be logged into a text file.
datalogger.println( data1, data2, data3,….,dataN); //Writes data into different contiguous cells.
datalogger.println(); leaves a blank line of cells (not filled with data whenever you want).
datalogger.println(moredata, evenmoredata, extradata);
datalogger.flush(); //Flush the data every once in a while in your code (on every Procesing loop or so).
datalogger.close();//Close the .txt file or .csv file at exit.
Built with Processing 1.5.1 and Arduino UNO.
These codes are experimental things I build for fun and they are far from perfect, efficient or complete.This is just fun stuff.
By Mabel from Mexico - 2015.06.19 10:42
Good quality, reasonable prices, rich variety and perfect after-sales service, it's nice!
By Joseph from Turkey - 2015.10.31 10:02