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Topic: Source of: current sensors, RPM sensors, GPS-GLONASS with magnetometer (Read 681 times) previous topic - next topic

Pitlab

Developing controller for flying robot I had to research many sensors. Don't have experience with arduino, but maybe those sensors will be useful also for you?

Current sensors line: 20A, 35A, 50A 75A
Designed for sensing voltage and current from the battery. Voltage input has 1:16 divider for easy shift calculations, is made with 1% resistors. Current measurement based on shunt resistor and amplifier produce voltage proportional to consumed current. After integration of consumed current we can calculate battery charge level.


RPM speed opto sensor
This sensor is used to measure rotation speed in optical way using infra red light. Can works as passive source when external light goes through rotating obstacle like propeller, or can works in active way with own IR illumination. In this case white and black label should be glued or painted on rotating part. Sensor produce impulses proportional to dark and light regions.


GPS-GLONASS receiver with optional magnetometer
This module receive signal from American GPS and from Russian GLONASS and predict position using both sources of information. Instead average visibility 6-12 satellites it see 12-24 satellites giving faster position fix and more accurate position. Optionally can be equipped with one of 3 magnetometers: HMC8553, MMC3140, MAG3110. On website you can find C source code for support all those magnetometers.
Piotrek
www.pitlab.com

Caltoa

Your post is commercial, but that's okay.
I took a look at your shop and I like the things you developed.

I also like your tests with magnetometers:
http://www.pitlab.com/autopitlot-articles/comparision-of-magnetometers.html

Most common Arduino boards use 5V, and some use 3.3V. Also the 5V boards have often a 3.3V output pin for sensors.
The I2C bus can therefor be a 5V I2C bus or a 3.3V I2C bus.
In many situations a 3.3V sensor can be connected to a 5V Arduino board with pullup resistors to 3.3V.

If you want to provide information for Arduino users, you should tell how to connect with 5V or 3.3V.

DellBell

Hello.

I'm currently looking for a battery sensor to use in my Arduino Mega. I want to monitor a 24v 100A battery bank. Is there a sensor suited for this kind of battery?

- DellBell

eehobbytoronto

-I'm currently looking for a battery sensor to use in my Arduino Mega. I want to monitor a 24v 100A battery bank. Is there a sensor suited for this kind of battery?

- DellBell
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check this:
http://www.ebay.ca/itm/Hall-Effect-Current-Sensor-For-Hobbyist-Arduino-Compatible-AC-75A-DC-100A-/231154766766?pt=LH_DefaultDomain_2&hash=item35d1e5d3ae&_uhb=1

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