Questions tagged [datalogging]

logging data into some storage or memory

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Arduino used as a multi-sensor controller, then sending results to a laptop to post on a web page

We are a non-profit group, we run a salmon rearing pond on Lake Michigan. We are upgrading our equipment that is over 50 years old with monitoring sensors. We are adding 9 temperature, 5 oxygen, 2 air ...
BigWally's user avatar
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Adafruit Datalogger and Bluefruit LE issues

I'm having issues using the Adafruit Bluefruit LE shield at the same time as the Adafruit Datalogger shield. I can use either shield independently without issue. When I stack the two, I can talk with ...
JoeBob_OH's user avatar
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Connecting pressure sensor to Arduino to collect pressure and time data

I'm trying to build a pressure data logger using an Arduino and Mindman MP47P-03-F1 (https://www.mindman.com.tw/proimages/pdf/E_MP47_S.pdf) pressure sensor, the sensor is connected to an outer 12-24 ...
Omer Davidi's user avatar
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1 answer
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Inconsistent results when reading input looking for spike patterns

I'm writing a library that will interface with a control unit on a refrigerator compressor pump (QDZH35G). One of the features of the control unit is that it can detect what problems it's encountering ...
Justin's user avatar
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Modbus rtu server library which logs the requests

Kindly seek help. In my project I want to ‘fake’ a smart meter via Modbus rtu server for a solis inverter. Somehow the solis realizes that I am faking him, so I am wondering which Modbus rtu server ...
behn66's user avatar
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RTC problems after longer time periods

I'm using the MKR NB 1500 for server sending, an ENV shield for measuring the environment, and an external lithium battery to power the circuit. The internal RTC and WDT on the NB 1500 are used. The ...
5TableLegs's user avatar
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Why is this buffer not being sent to the server?

I'm loading a buffer with different data recorded by sensors and sending them to a server. But I also wanted to log when the data was sent on the client side, so I formatted the time of my RTC clock ...
5TableLegs's user avatar
1 vote
1 answer
282 views

How to compile Arduino-ESP32 core with ESP_LOGx

Why? In Arduino IDE you can set the core debug level, however, this only sets debug level for files in Arduino-esp32 but the core which is distributed as a precompiled library in .sdk files, located ...
Tomáš Pilný's user avatar
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3 answers
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How do you deal with balancing the limited storage of Arduino with the decrease in speed if you just print everything as it gets measured?

I am working on a simple data acquisition system based on an Arduino Uno. Each run would ideally collect up to 10k data points (all doubles). Obviously, the Arduino doesn't have the capacity to hold ...
Ben's user avatar
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Can I use Data Logger Shield with Arduino Sensor shield V5.0?

so I did a little research on this but the answer to my particular problem did not exist. I have a data logger shield created by deek robot (deek-robot.com) which seems pretty similar to adafruits ...
Hitman2847's user avatar
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how can I delete contents of an SD card in arduino?

I have a datafile, datalog.txt I can open, read and write cool. What is the best way to delete all the file contents? Should I try rewriting the SD card file with NULL data? I have been reading the &...
j0h's user avatar
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Seeking to write a ton of information to an SD card as close to live as possible

So I've recently started a project where I am using an accelerometer, along with a SD card breakout board. I've been able to get information to write properly to the SD card with no issues whatsoever. ...
Colby Johnson's user avatar
1 vote
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RTC shield with LCD and Keypad

I am having issues with a code that I have been modifying. I can change the TIME, and DATE from a keypad, and see the data on the serial monitor, but it is not recording on the SD Card. Anyone that ...
Merkhav's user avatar
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Parsing read SD file into 2 variables

Recently I started some tests controlling water heater with temperature sensor data as described in detail here So far I've been testing a small dataset to control water temperature that is quite easy ...
s_tatus3's user avatar
1 vote
2 answers
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Can UNO log more PCB 353b33 accelerometer data points compared to TDS3014B oscilloscope?

I'm currently recording data points from an analog accelerometer(PCB 353b33) using a TDS3014B oscilloscope which has Record Length of 10,000 points at a Sample Rate 1.25 Ga/s. I'm want to record more ...
MajorMajorMajorMajor's user avatar
3 votes
1 answer
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Reproduce simulated temperature data with Arduino

I'm starting a test using Arduino to reproduce a set of temperature values in water each three hours and need some help with it. I will use two ds18b20 sensors to control two thermostats connected to ...
s_tatus3's user avatar
-1 votes
1 answer
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HTTP-POST returns 400 when posting a value from the sensor

I'm trying to POST the data of total, but it returns 400. but when I try a sample data like int httpResponseCode = http.POST("{\"amount\":\"total\"}"); (400) into int ...
Giddsec's user avatar
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2 answers
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How to add the previous value to current value from sensor

const byte interruptPin = 4; void ICACHE_RAM_ATTR count(); void setup() { Serial.begin(115200); // Set up our digital pin as an interrupt pinMode(interruptPin, INPUT_PULLUP); attachInterrupt(...
Giddsec's user avatar
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0 answers
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Can I record us (microseconds) with AnalogBinLogger example in SdFat's library?

I am using the AnalogBinLogger from the SdFat example library. I am using it to record 8 analog channels at 5kHz! which is amazing (thank you SdFat). Is it possible to include a separate column to ...
Microk's user avatar
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2 votes
1 answer
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File created, but not logging data

I am starting using Arduino and have very little to none experience coding. However, I have managed to code and understand how it works. The problem that I have is that I am unable to log (record) ...
PedroHerve's user avatar
1 vote
0 answers
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Problem with data logging in arduino environment

iam recently making a projects that include arduino, mpu6050 and bmp280 and finally i have to log that data so, iam using a microSD card module info of the the microSD card: Initializing SD card......
RocketAstro's user avatar
-1 votes
1 answer
214 views

storing 600 unsigned int values in an array and find minimum and maximum values

I am reading an ASCII serial data values from a sensor and storing it in an unsigned integer variable. The values are ~45000 to 50000 range. I need to store 600 values and then find the minimum and ...
srikanth's user avatar
1 vote
0 answers
95 views

Transfer analog value via Bluetooth HC-05 (master) to second HC-05 (slave)

II have setup a UNO and a HC-05 Bluetooth module as a 'Slave', and a NANO and an HC-05 Bluetooth module as 'Master', I believe the comm's work ok as I am receiving values and text, but the analog IN ...
Geordieboy's user avatar
1 vote
1 answer
67 views

More effecient datalogging code

Background: I am using a Teensy 3.6 to data log over a dozen sensors. I am printing to Serial1 for local Serial access, Serial3 for remote access (via xbee, same data is on Serial1 as on Serail3, just ...
TheAutomator's user avatar
1 vote
0 answers
156 views

How to separate in columns the data contained in a barcode

I have the following code, which allows me by scanning a typical 128 barcode to write this code in SD card under the Header "FA" as well as the time and date of scanner under the Header &...
Maximilian1988's user avatar
2 votes
1 answer
2k views

Where is the Arduino IDE log file located? Not the Serial Monitor

"An error ocurred while uploading the sketch" I'm having this specific error when uploading a sketch to my board and the IDE doesn't specify the problem correctly. It's version is 1.8.13 for ...
John's user avatar
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-1 votes
1 answer
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acelermetor count goes down after 1 peak

I am using a Wemos D1 Mini and an mpu 6050 accelerametor. I managed to get the acceleratmetor to work and have 1 value come out of movements. So when a peak it hit (aka, the threshold of 1.00 is hit) ...
Hi tE's user avatar
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Combined code and nothing works. Head scratcher for sure

I have spent a little over 2 hours trying to debug this code. All I did was combine a section of code to write to the SD card. Both of the codes work fine on their own. I can't figure this one out. I ...
RobE's user avatar
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Using SMS to send commands to the Arduino. Having problems in data parsing

I'm still inexperienced in programming and i apologize in advance if my mistakes are stupidly obvious. This sketch I'm working on is a basic GSM project using SIM900a Mini and an Arduino UNO that ...
Sketskie's user avatar
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4 answers
91 views

How to link a computer processor to an Arduinno on a board? [closed]

I am completely new to Arduinno, so please forgive if the question is stupid. Here is the problem: I have a project where I want an Arduino (or similar microchip board) to handle some sensors and ...
totalMongot's user avatar
0 votes
2 answers
158 views

data classification with arduino

I want to classify my data from 3 sensors with arduino so that every time i enter the specific date or hour, or also it can be a period of time like 10 days ago, it shows me the exact data. In other ...
201's user avatar
  • 37
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1 answer
739 views

Multiple MPU9250 Synced

I am interested in collecting data from 3 MPU9250 via I2C communication protocol. As I've read, I can collect measurements on the same I2C Bus from up to two MPUs. However, how can I collect Synced ...
YvesD's user avatar
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-1 votes
1 answer
95 views

sending specific date's data from data logger shield to serial port

I was wondering if it is possible to save lots of data( exp: one year data) in data logger shield and then read them from serial port without ejecting the SD card... this part of my question is fine......
201's user avatar
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1 answer
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ESP32 saving data to SD card in .csv doesnt format correctly

i want to save a vector to a .csv file on a SD Card. I watched this tutorial on how to do it and it describes it perfectly even though its kinda dated. My Problem is that everything is saved into the ...
Xenoshell's user avatar
2 votes
2 answers
1k views

EEPROM.get returns bad data

I am using the attached code. What I am trying to do is: Test if there is a personalized "board serial number" written in the EEPROM (by previous code run) If data found was not 7 characters (e.g SN-...
adrianTNT's user avatar
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1 answer
268 views

SD card readline reading batched lines?

So, I am trying to transmit float data, over UART, from my Arduino to another machine. The log of this data is really large, so I am forced to put it on an SD card, and read it into the Arduino line-...
stillborn86's user avatar
1 vote
4 answers
332 views

How to manage two alarms with one interrupt?

I have a datalogger using the RTC DS3231 as an interrupt generator. I am able to have the interrupts work but here is my problem. I would like to take 2 separate measures from 2 different sensors (one ...
JamesONeil's user avatar
1 vote
1 answer
270 views

Two Arduino boards with I2C sensors

I have been searching the internet about how to transfer data from multiple sensors from one Arduino to another using I2C, but no luck. All the code and tutorials online focus on multiple slaves with ...
tofi's user avatar
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0 answers
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Using CoolTerm to receive Serial Data into a saveable file

Have functional code that reads data from sensors. Found that I need to use a terminal program to grab the data from the serial output using CoolTerm by Roger Meier. Wasn't able to test it with my ...
ThermoRestart's user avatar
1 vote
0 answers
715 views

I'm not getting the readings of sensors connected to an Arduino MEGA correctly using PLX-DAQ

I'm trying to send data from four sensors that are connected to my Arduino MEGA to an excel file using PLX-DAQ. So I want to keep taking readings at an interval of 1 second until I wish to stop. So I ...
Dan's user avatar
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4 votes
2 answers
618 views

Writing to sd card with a sampling rate 50ms or less? I have a sketch that writes to sd every 1s but jams at faster sampling rates. Please help?

My code below reads data from an ADC and 3 digital pins via a Mega and prints to an SD Shield (Deek Robot). I want to be able to read the data every 50ms (20ms ideally). I can't get below 250ms. I've ...
Microk's user avatar
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1 answer
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I cannot open/write to dataFile SD shield in mySketch but have no problem with Datalogger example sketch from the SD library...?

Hello Arduino Community I am collecting data and attempting to log it on to a Deek Robot SD shield via a Mega. I have the data in a dataString which I can Serial.print to the monitor but would ...
Microk's user avatar
  • 115
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1 answer
403 views

Does LabVIEW Linx affect the communication speed with Arduino?

I am using LabVIEW to connect to Arduino Mega. I control a logic gate to switch the current On/Off and at the same time there is an I2C connection with a sensor. It came to my attention that the ...
user17830's user avatar
  • 103
1 vote
1 answer
1k views

Why am not being able to initialize the Micro-SD?

The reason I bought this MicroSD board because to follow their guide and I have used the recommend code in: File > Example > SD > CardInfo also did the slight change in the code for const int ...
Noajm IsMy Name's user avatar
0 votes
1 answer
1k views

creating HTTP persistent connection, to create 'smooth' data over GSM sending

Project goals Send data over GSM to firebase Fast sampling - need to send 16 bytes every half second to firebase Send data using GET or POST to server with PHP script, that redirect data to firebase ...
Piotr Lewandowski's user avatar
1 vote
0 answers
590 views

Send data from arduino to server using GSM, TCP

My actual connection is like: Arduino -> GPRS(http)-> my server(php script)-> firebase <-android plotting app But it only allows to send some data once every 2 - 3 seconds (depending of ping to my ...
Piotr Lewandowski's user avatar
0 votes
1 answer
110 views

Can't store RFID data in the next 5 bytes of array

I'm working on RFID project to handle multiple cards. I did most of the things OK. But now I have one problem. Which is the following: The RFID code is 5 bytes, so I need an array of 5 bytes. If ...
R1S8K's user avatar
  • 283
0 votes
1 answer
756 views

Fast data logging

I want to store noise data (basically from A0) from an Arduino Uno to an SD card with faster writing speed, preferably by using 512 data together and the write it at once. What should be the code?
Hritam Basak's user avatar
0 votes
1 answer
122 views

Arduino stops logging data after ~32761 seconds

I made a small set up to log temperature on SD card, everything is running smoothly until it reach 9:06:01 of logging that is 32761 seconds. I know that corresponds roughly to the maximum value of an ...
Vincent's user avatar
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1 vote
0 answers
397 views

AD7606 DAQ and datalogging

I'm making a Data Acquisition System for force impact usign an AD7606 from Analog Devices, an Arduino DUE and a load cell. I already tested it following this guide an making the proper changes for ...
Luis Fernando Hernndez Palacio's user avatar