The datalogger tag has no wiki summary.
-2
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1answer
58 views
How to search date wise in flash memory using microcontroller?
I am developing a data logger in which I am using 8 MB of flash memory to store the sensor data with date and time. I am using RF interface to transfer that data to PC. I am planning to have PC ...
0
votes
0answers
92 views
Communicating an Arduino with a Data logger
I need to communicate a Sharp Dust sensor to a Data logger for a weather station project. It was straight forward to communicate other sensors (wind, temperature) as they were ready calibrated from ...
3
votes
2answers
133 views
PIC Microchip interface with PC
I have been using USART for interfacing PICs to my PC for datalogging. The problem is that now serial ports are not very common and often you need a USB-Serial adapters which do not always work or ...
1
vote
2answers
92 views
Logging the output from a solar cell
I am trying to create a small low cost circuit that will allow me to log the output of a solar cell over the course of a month as a student project.
Currently I have a 5V Silicon PV cell and am ...
1
vote
3answers
92 views
Embedded system-current draw logging
I have an embedded application that wakes up every 15 minutes and performs some specific function for a period of two minutes.
I need to log the current consumption of this specific function on the ...
2
votes
0answers
252 views
Corrupted files generated by Arduino with SD library. How to avoid that?
I have a sketch that runs on an Arduino Ethernet (that comes with an SD card reader and, of course, an Ethernet interface).
There is a unique place in this sketch where I write to a file on the SD ...
1
vote
1answer
99 views
Intersection Turning Movement counts
Civil Traffic Engineers have a perpetual data gathering problem. They need intersection turning movement counts to do their studies. This has historically been a manual task. Someone sits by the ...
0
votes
0answers
90 views
RTOS Datalogger example
I'm trying to develop a datalogger on a Cortex M0 (LPC11U14), and I was thinking of using a real-time OS like FreeRTOS, so that I can have one low-priority task that writes the data to SD, and ...
1
vote
2answers
106 views
Fast sensor readings
I am developing a data logger for use in high schools like ( http://www.pasco.com ). The main difference is that mine is primary supposed to be used with an iPad. I have a connection between a micro ...
5
votes
1answer
1k views
Low power micro-SD card storage
We are building a low-power data logger based upon the ATmega328P, in order to make use of the Arduino boot loader and IDE, etc. Ideally power consumption should be less than 0.3mA @ 3.3V to get ...
3
votes
3answers
171 views
Sync video with data
When I have a datalogger and I want to sync a video-file to the recording, what would be an easy method? The logger and the camera both have an internal clock, but they may not be set exactly to the ...
0
votes
3answers
349 views
What's a good sensor for measuring high voltages
I want to do datalogging on solar strings in the 600V range +-100V. Would prefer accuracy close to 1%.
1
vote
1answer
499 views
How to monitor / log / record / store voltage reading across various connectors of a PC power supply unit ( PSU )
I'm searching for a way to detect over-/undervoltages across the PSU connectors so that i can have a better chance of finding causes for HW failures/errors . Best way i could think of was logging the ...
2
votes
2answers
111 views
Monitoring software for embedded application
I'm looking for a Windows application to collect data to a host PC from an embedded application (PIC microcontroller).
The communication between host and embedded application is via Ethernet.
It ...
3
votes
1answer
110 views
How to sync sensor data
Suppose I have multiple dataloggers receiving sensor data, how can I sync those signals afterwards? The most obvious way would be adding timestamps to the data, but they have independant clocks, so I ...
3
votes
2answers
301 views
Can USB host controllers be used for device identification?
Does any USB host device provides any unique IDs which are available from USB controller to device? At software side, I can get the vendor ID (along with other hardware identification data such as ...
3
votes
3answers
139 views
Can I log current using a voltage input and V=IR
I have a sensor which produces a current proportional to the variable it is sensing. My data logger only accepts input as a varying voltage, which it then encodes in 8 bits (scaled linearly to volts). ...
4
votes
6answers
889 views
Temperature logging setup for refrigerator
I've been having some issues with my refrigerator lately, and so I've been imagining some kind of temperature logging system.
I want it to log the temperature every 5(?) seconds, door open/close ...
2
votes
4answers
2k views
Hackable exercise bicycle computer?
This might sound a bit weird, but does anybody here know of a exercise bicycle that is hackable? What I would like to do is to connect it to a PC (don't care how, usb, parallel port, serial...) to ...
3
votes
3answers
563 views
Logomatic v2 serial SD Datalogger issues
Hi i bought this data logger a few weeks ago, http://www.littlebirdelectronics.com/products/Logomatic-v2-Serial-SD-Datalogger.html
I've been having some trouble with it. I read the data sheet and ...
3
votes
2answers
943 views
AVR Stick Data Logger Usage
Has anyone used this data logger (or similar) with v-usb to collect data?
http://www.sparkfun.com/commerce/product_info.php?products_id=9147
If so, what is the maximum times per second voltage data ...
