I got the MAX756 that I was waiting for from Futurlec. The idea was to implement the very same circuit that comes in the MAX756 datasheet. In my first try I got very strange results which I posted to lladyada forum hoping to get some advice on how to solve. Eventually I set up the [...]
Arduino Mega was released today. I already ordered mine from lawicel.
As stated in arduino mega page:
It has 54 digital input/output pins (of which 14 can be used as PWM outputs), 16 analog inputs, 4 UARTs (hardware serial ports), a 16 MHz crystal oscillator, a USB connection, a power jack, an ICSP header, and a [...]
In the past days I published a couple of arduino libraries. All coming from by XBee sensor development. I’m still waiting for the MAX756 to arrive from Futurlec, I need the MAX756 to power the xbee sensor with batteries and mount it in its final position. So in the meanwhile I’m cleaning a little bit [...]
As part of my Xbee sensor project, I created an object oriented API to access HMC6352 compass functionality and I decided to make it downloadable as an Hmc6352 Arduino Library.
Just unzip the file in the $arduino_home/hardware/libraries/. At the end you should end with $arduino_home/hardware/libraries/Hmc6352.
The library includes an example on how to use it (in File [...]
March 18, 2009 – 10:14 pm
I talked about the DS1620 in a previous post. Now I created a DS1620 library for Arduino that has a more object oriented interface. The library has to be unpacked in the $arduino_home/hardware/libraries directory. After unzipping the library you should end up with a $ARDUINO_HOME/hardware/libraries/ds1620 directory.
The library contains an example that can be accessed [...]
I finally put together an Arduino Pro Mini, the XBee, the MMA7260Q, the HMC6352, the TEMT6000 and the DS1620.
This is how it looks like on the prototyping board (ugly, I know)
Hopefully it would look better when I move it to the PCB. But before doing that I need to get the battery power set up. [...]
By ruben.laguna
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Posted in electronics
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Also tagged cluster, compass, heading, library, measure, measurement, temperature, tilt, xbee, zcl, zigbee
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If you run into this problem it means that you’re probably using the XBeeShield. Maybe you didn’t notice but if you take a look to the Arduino XBee Shield schematics you’ll find out that DIO7 (CTS – Clear to Send) on the XBee is wired to RST in the Arduino. And that’s why you [...]
November 3, 2008 – 9:27 pm
I’ve playing with the MMA7260Q accelerometer. Following the indications in
“Measuring Tilt with Low-g accelerometers“.
“Implementing Auto-zero calibration technique for accelerometers“
“AN3461 Tilt Sensing Using Linear Accelerometers”
I connected X,Y and Z of the MMA7260Q breakout to A0, A1 and A2 of the Arduino. Then, GS1 and GS2 connected to ground to set the range to [...]
October 15, 2008 – 9:14 pm
I’ve been playing with the Arduino sleep modes and i wanted to be able to wake up from the sleep when receiving data on the serial port. Mainly, because in my project I’m using the XBee in the API mode and the tricks exposed in http://www.arduino.cc/playground/Learning/ArduinoSleepCode and http://www.libelium.com/squidbee/index.php?title=Save_power_in_SquidBee_-_sleep_mode involve putting Arduino in SLEEP_MODE_PWR_DOWN and using [...]
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