Tagged Questions

1
vote
0answers
37 views

Arduino building a pulse proportional thermostat

I'm not much of an engineer, but I have worked with arduino. I'm looking to see if it's possible to build a pulse proportional thermostat with a probe and an arduino. Any recommendations on where to ...
2
votes
2answers
137 views

Expanding Range Of Analog Values From Temperature Sensor

I'm trying to build a temperature controlled relay module with an ATtiny45 ( Arduino UNO R3 as ISP ) and a NXP KTY81-222 Temperature Sensor. The temperature range i want to monitor is 20°C to 30°C. ...
0
votes
2answers
672 views

Arduino controlled PWM PC Fan

I am looking at getting 2 Evercool EC8015HH12BP 80x10mm (4-wire) PWM fans. However, i am looking at controlling the fan speed with the arduino via the PWM pins. I found the following diagram that ...
1
vote
2answers
457 views

Exists an Arduino compatible temperature sensor with effective range of approx 1 meter?

I saw this fictitious product on the web and was impressed: http://www.behance.net/gallery/Sprout-Infant-Monitor-System/4033245 However, as I said the product does not really exist, but the seed is ...
1
vote
2answers
1k views

Temperature sensor (TMP36) inaccurate readings

I've got a TMP36 temperature sensor of which I'm trying to read the value of using an Arduino Uno. I know that the sensor has an accuracy of -/+ 2 degrees celsius but my readings are peak far past ...
6
votes
5answers
2k views

Temperature sensors for an Arduino sous-vide project

I'm creating a PID controller for sous-vide, like this one, and am trying to decide which temperature sensor to get. Priorities: Cost: < £25 delivered in the UK Accuracy: +/- 0.5C Range: 0 - ...
0
votes
1answer
441 views

TMP36 x Voltage input in arduino

I have a project, using a temperature sensor, TMP36 and Arduino. Basically its a bluetooth thermometer. Everything worked fine at breadboard and connected and energized by my notebook. Now I connected ...
1
vote
4answers
1k views

How to find out the voltage on Arduino ADC input?

I am a complete beginner in the field of electrical engineering. I have this temperature sensor with 2k Ohm resistance on 25°C. I have wired it parallel to a 3.6k Ohm resistor to lower the overall ...
1
vote
2answers
1k views

What waterproof temperature sensor do I need to measure water temp using an arduino mega?

I consider myself a complete novice when it comes to electronics. My current project consists of measuring water temperature using an arduino mega. What parts will I need to complete this project? ...
1
vote
4answers
925 views

Trying to get the 8bit to 10bit ADC Conversion formula right for Arduino with Temperature probe

I have an Arduino Diecimila and a bunch of old Phidgets 1114 Temperature Sensors. I want to be able to get a somewhat steady / accurate temperature from these sensors inside my arduino sketches. The ...
0
votes
1answer
397 views

ROV (underwater) temperature sensor design considerations

I'm the 'technician' for a SeaPerch ROV team (since I know the most about electronics) and I need an underwater temperature sensor able to mount on a ROV. Since I don't have much experience with ...
2
votes
2answers
391 views

What happens when reaching the max temperature on a temperature sensor?

I need to monitor the temperature of a hot plate so it stays at 210C I am just using a Arduino and lcd to display the temp using a DS18S20 (I have it ready but not actually using it to measure the ...
4
votes
6answers
891 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 ...
4
votes
3answers
364 views

Getting temperature data from traditional pizza oven

I'm building a traditional Italian pizza oven in the back garden and would like to get some temperature data back to my home computer. The major requirements for such a piece of kit are: Record a ...
2
votes
4answers
2k views

LM35 Temp Sensor Distance Issue

I recently bought a LM35 Linear Temperature Sensor off littlebirdelectronics.com (as well as other Arduino stuff) and everything all worked fine when I had the temperature sensor attached up to the ...
9
votes
5answers
435 views

Reliability of DS18x20 temperature sensors

I'm using Maxim's DS18x20 (I've actually got more than one variant) one-wire temperature sensors to log the temperatures in various rooms in my house once a minute. About one reading in a thousand, I ...