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  • Open Logger Project : Open RFID Scanner
    eeprom Accurately record the time Be designed for durability to survive harsh environments for extended time periods Minimize per unit cost The hardware portion of this work is licensed under a Creative Commons Attribution Noncommercial Share Alike 3 0 License The software portion of this work is licensed under a GNU General Public License V3 Created by kelly Last Modification Thursday 12 of April 2012 17 26 08 UTC by

    Original URL path: http://www.openlogger.org/tikiwiki-2.2/tiki-index.php?page=Open%20RFID%20Scanner (2016-04-24)
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  • Open Logger Project : Open Thermal Regulator
    Creative Commons Attribution Noncommercial Share Alike 3 0 License The software portion of this work is licensed under a GNU General Public License V3 Created by System Administrator Last Modification Tuesday 29 of December 2009 21 39 44 UTC by System Administrator Similar Sidebar Menu Home Search Wiki Wiki Home Last Changes List pages Orphan pages Structures Articles Articles home List articles Forums List forums Directory Browse directory File Galleries

    Original URL path: http://www.openlogger.org/tikiwiki-2.2/tiki-index.php?page=Open%20Thermal%20Regulator (2016-04-24)
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  • Open Logger Project : Open Wildlife Camera Trap
    software portion of this work is licensed under a GNU General Public License V3 Created by System Administrator Last Modification Saturday 26 of December 2009 16 04 47 UTC by System Administrator Similar Sidebar Menu Home Search Wiki Wiki Home Last Changes List pages Orphan pages Structures Articles Articles home List articles Forums List forums Directory Browse directory File Galleries List galleries Sidebar Login Login as User Password Remember me

    Original URL path: http://www.openlogger.org/tikiwiki-2.2/tiki-index.php?page=Open%20Wildlife%20Camera%20Trap (2016-04-24)
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  • Open Logger Project : Arduino Subroutines
    often better to use a subroutine for group of functions that will be used many times in a specific program to both reduce memory requirements and to increase readability of the code Thermistor Read Voltage Divider Read Audio Code Array Value Check LED Blink Outputs to Inputs Audio Recorder Control DS1307 RTC Read Full DS1307 RTC Read Sci Free Ram Check Mapping Big Numbers Created by System Administrator Last Modification

    Original URL path: http://www.openlogger.org/tikiwiki-2.2/tiki-print.php?page=Arduino%20Subroutines (2016-04-24)
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  • Open Logger Project : Thermistor Read
    include is needed for this subroutine to work properly Program for Arduino include math h double ThermistorRead int pin Inputs ADC Value from Thermistor and outputs Temperature in Celsius requires include math h Utilizes the Steinhart Hart Thermistor Equation Temperature in Kelvin 1 A B ln R C ln R 3 where A 0 001129148 B 0 000234125 and C 8 76741E 08 int RawADC 0 long Resistance double Temp Dual Purpose variable to save space for i 0 i 5 i RawADC RawADC analogRead pin read analog sensor 5 times RawADC RawADC 5 average Resistance 10240000 RawADC 10000 Assuming a 10k Thermistor Resistance 1024 ADC Temp log Resistance Saving the Log resistance so not to calculate it 4 times later Temp 1 0 001129148 0 000234125 Temp 0 0000000876741 Temp Temp Temp Temp Temp 273 15 Convert Kelvin to Celsius change if needing Fahrenheit uncomment these lines for debugging Serial println ADC Serial print RawADC Serial print 1024 Print out RAW ADC Number Serial println Resistance Serial print Resistance Serial print ohms return Temp Return the Temperature Created by System Administrator Last Modification Thursday 31 of December 2009 14 15 14 UTC by System Administrator Similar Sidebar Menu Home

    Original URL path: http://www.openlogger.org/tikiwiki-2.2/tiki-index.php?page=Thermistor+Read&bl=y (2016-04-24)
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  • Open Logger Project : Voltage Divider Read
    To use this subroutine call the function by setting a variable to ARead X Y where X is the analog pin to be read and Y is the value of the voltage divider constant resistor Program for Arduino int ARead int pin int VDrst Inputs ADC Value from Thermistor and outputs Temperature in Celsius requires include math h Utilizes the Steinhart Hart Thermistor Equation pin number that the sensor is connected to VDrst value of the voltage divider constant resistor usually 10K int RawADC 0 int Resistance for i 0 i 5 i Averages 5 readings to smooth value RawADC RawADC analogRead pin read analog sensor 5 times RawADC RawADC 5 average Resistance 1024 VDrst RawADC VDrst Assuming a 10k Thermistor Resistance 1024 ADC uncomment these lines for debugging Serial println ADC Serial print RawADC Serial print 1024 Print out RAW ADC Number Serial println Resistance Serial print Resistance Serial print ohms return Resistance Return the Value Created by System Administrator Last Modification Wednesday 30 of December 2009 20 59 57 UTC by System Administrator Similar Sidebar Menu Home Search Wiki Wiki Home Last Changes List pages Orphan pages Structures Articles Articles home List articles Forums List forums Directory Browse

    Original URL path: http://www.openlogger.org/tikiwiki-2.2/tiki-index.php?page=Voltage+Divider+Read&bl=y (2016-04-24)
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  • Open Logger Project : Audio Code
    the pulse code Program for Arduino void PulseCode int code int Dnumber int pin Converts an integer value in to an audio pulse code for code 1 creates an audio mark 51 sets pulses for units of 5 and 1 102 sets pulses for units of 10 and 2 Dnumber is the number to be coded pin sets the output pin for the pulses must be PWM int Mfreq 500 Frequency of pulses that mark begining and end of data transmission int Mdur 50 Duration of pulses that mark begining and end of data transmission int Vfreq 2500 Frequency of the 5 pulses time 1 2 Frequency 1 000 000 int Vdur 300 Duration of the 5 pulses int Ifreq 956 Frequency of 1 the pulses time 1 2 Frequency 1 000 000 int Idur 100 Duration of the 1 pulses int pause 300 pause between pulses int Vi Stores number of 5 pulses int Ii Stores number of 1 pulses pinMode pin OUTPUT sets the digital pin as output switch code case 1 Short pulse marks beginning of data for int i 0 i Mdur i digitalWrite pin HIGH delayMicroseconds Mfreq digitalWrite pin LOW delayMicroseconds Mfreq break case 51 Vi Dnumber 5 Ii Dnumber Vi 5 while Vi 0 Pulses for 5s for int i 0 i Vdur i digitalWrite pin HIGH delayMicroseconds Vfreq digitalWrite pin LOW delayMicroseconds Vfreq delay pause Delay between 5s Vi delay pause Delay between 5s and 1s while Ii 0 Pulses for 1s for int i 0 i Idur i digitalWrite pin HIGH delayMicroseconds Ifreq digitalWrite pin LOW delayMicroseconds Ifreq delay pause Delay between 1s Ii break case 102 Vi Dnumber 10 Ii Dnumber Dnumber 10 Ii Ii 2 while Vi 0 Pulses for 10s for int i 0 i Vdur i digitalWrite pin

    Original URL path: http://www.openlogger.org/tikiwiki-2.2/tiki-index.php?page=Audio+Code&bl=y (2016-04-24)
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  • Open Logger Project : Array Value Check
    subroutine call the function by setting a boolean variable to ValueCheck X Y where X is the name of the array with the values to check for and Y is the specific or current search value If the value is present in the array the function will return true otherwise it will return false Program for Arduino void ValueCheck const int array int SearchVal searches a given array for the requested value and returns a boolean true if found boolean mark false used to report if a search value is found int size sizeof array sizeof int finds the size of the array change data type in sizeof int if other than int for int n 0 n size n if SearchVal array n checks if current value equals a value in the array mark true set to true if a value is found return mark Created by System Administrator Last Modification Friday 01 of January 2010 12 25 44 UTC by System Administrator Similar Sidebar Menu Home Search Wiki Wiki Home Last Changes List pages Orphan pages Structures Articles Articles home List articles Forums List forums Directory Browse directory File Galleries List galleries Sidebar Login Login as User Password

    Original URL path: http://www.openlogger.org/tikiwiki-2.2/tiki-index.php?page=Array+Value+Check&bl=y (2016-04-24)
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