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The Arduino Nano is a small, complete, and breadboard-friendly board based on the ATmega328. It has more or less the same functionality of the Arduino Duemilanove, but in a different package. It lacks only a DC power jack, and works with a Mini-B USB cable instead of a standard one.
The Nano 3.0 has a number of facilities for communicating with a computer, another Arduino, or other microcontrollers. The ATmega328 provides UART TTL (5V) serial communication, which is available on digital pins 0 (RX) and 1 (TX). An FTDI FT232RL on the board channels this serial communication over USB and the FTDI drivers (included with the Arduino software) provide a virtual com port to software on the computer. The Arduino software includes a serial monitor which allows simple textual data to be sent to and from the Arduino board. The RX and TX LEDs on the board will flash when data is being transmitted via the FTDI chip and USB connection to the computer (but not for serial communication on pins 0 and 1).
*Note: This is not an original Arduino brand product, it is manufactured with the same components and functionality by a different manufacturer.
Specs: Microcontroller: ATmega328 Operating Voltage (logic level): 5V Input Voltage (recommended): 7-12V Input Voltage (limits): 6-20V Digital I/O Pins: 14 (of which 6 provide PWM output) Analog Input Pins: 8 DC Current per I/O Pin: 40mA Flash Memory: 32KB (ATmega328) of which 2 KB used by bootloader SRAM: 2KB (ATmega328) EEPROM: 1KB (ATmega328) Clock Speed: 16 MHz Dimensions: 43 x 18 x 19mm Weight: 6g
Put on google arduino thath you want to do...if anyone has do it, you find here the reply.
Official site of arduino is ***********arduino.cc and have too many information and examples of programming.
Now, i'm doing a advanced mixer with Arduino nano for use on flaps-aileron-V tail-Y tail, as experiment.
A perfect place to start Arduino is ****arduino.cc You will find information about hardware, download area for the software interface, and progamming examples. Best place is "Getting started" were you find several setp-by-step tutorials introducing the different functionalities and features of Arduino. Starting with a blinking LED up to communication, sensor applications and Displays. It is a lot of fun and really easy!
It would be nicer if these came with the header pins supplied separately, so that you can solder them in if you wish. I've used Nano's on several small models and find that soldering wires direct to the Nano is often quicker, smaller and lower weight than plugging the Nano into a socket.
It depends on your application, Arduino nano is better if you using breadboard or pcb with 2.54 mm hole spacing, because it's smaller with the same or more capability than the UNO ( because nano 8 analog inputs and UNO 6 analog inputs ). Arduino UNO is better for prototiping because the UNO have tons of shields for experiment. Please tell us your project.
It is a fire fighting bot.Two stepper motors will be connected and I will be using the flame
detector.There will be pump,a plastic tank to store water and the pipe to throw the water out.
Aah I see, you must look for more i/o pins , then go for arduino nano, i think you can reconsider getting arduino mega, if you're making robots you will never have enough i/o, i've been there
You can not connect a stepper motor directly to the i/o pins, because the i/o pins rated only up to 40 mA DC current, you need to use stepper motor driver
to drive motors, I wil just mod digi servos to 360degree rotation and atach wheels. Perhaps it could need precise timing and sensing the direction as each servo may turn a bit different speed.
any lipo with minimum 7.4 v / 2S up to 11.1 v / 3 s will doing fine with this board, for amps, c rating is up to your application. I think if you only use the lipo only for this board, small amps and c rating is ok
you don't want to use a lipo as this has no cut off. It only needs a fraction of a fraction of an amp, so you can power it via the usb connecter. Or if you need to use a battery go with 3 AA rechargeable batterys w/ ' ' going to the 5v pin and '-' going to gnd
3 AA rechargeable battery is not enough ( nimh rechargeable = 1.2 v per cell, x3 = 3.6v ), please read the spec : Input Voltage (recommended): 7-12V Input Voltage (limits): 6-20V at least you need 5 AA rechargeable (or use 7.4 v to 11.1 v lipo) and connect it to Vin pin, and don't try to feed power to 5v pin if you don't have properly regulated and filtered 5v supply
OK, I trust you maybe i'm 'read by the book' type guy. I read at atmega328 specs actually atmega328 can be powered from 1.8 v (4 Mhz clock speed), at 2.7 v ( 10 Mhz ), at 4.5 v ( 20 Mhz clock ), and up to 5.5 v the maximum limit. Peace
I knew it was 2.7v, but my gut said 2.3v anyways powering it with out going through the reg is why I said to use the 3 AA and I believe 1.2v is nominal right? max charged is ~1.4v it think?
I would like to buy an arduino but dont know which one. It will be my 1st time to try this product and I have no background on electronics/microcontrollers/programming but trying to learn/study now.
I just need to control a single servo (either Corona DS-239MG Digital Slim Wing Servo or HK15322MG Digital Slim Wing Servo)
I need it to move up to 180 deg.
Kindly let me know which arduino do I need to buy. I am choosing between the following:
Arduino Uno - Atmel Atmega 328-PU (Clone) or Arduino Nano V3.0 Microcontroller Board
And could you tell me what other items should I order to go along with it (e.g. battery, etc)
Thank you very much
Any arduino will do that job for you :) it's mostly a matter of preference. If you have to consider size, pick one with a small footprint. If you don't know how to solder or not? (the Uno is mostly made for using prototyping wire or an arduino shield).
To do the what you want to do, just simply download the arduino IDE and use the servo-library (I'm not certen on the official name of the library, but it should be obvius) :)
as for what kind of battery to use, head on over to the arduino website and check out the hardware-specs for the model you end up with. min and max input voltage.
hope this helps :)
regards
Thank you very much quadkriss... the servo I bought as indicated above has a limitation on movement as per its specification but I havent tried it actually... Is is capable of exceeding the limit degree of movement (like up to 180 deg)?
That depend on the servo, some servos do a full 180, some do closer to 140-150. If you can turn the servo (unpowered) a full 180 degrees it will probably go the full 180 :) Most servos have a potetiometer as feedback for the position of the shaft and also som sort of physical endstop.
I could probably helpe you better somewere else* skype, quadkriss
Yes I can turn the servo even up to 360 degrees unpowered. I guess what I want to do is really possible. Thanks a lot man. You've been a great help. cheers!
Oh BTW, do I have to put a separate battery on the servo since its rating is only 4.8~6V while the arduino rating is 7~12V? I am planning to use a 9V battery on the arduino. Is it the same battery for the servo too?... (sorry I have no skype)
well... I would not use the 9V battery directly on the servo, however the arduino will most likely (almost every model have it) have a linear 5v or 3.3v voltage regulator in the board (depending on the model). The regulator is not rated at a huge amount of current, but on a small servo it should be able to deliver (the pins on the arduino called 5V is directly from the voltage regulator). But if you do not trust the regulator to deliver the current, i would buy a BEC to power the servo (and also the arduino perheps?)something like the* Hobbyking HKU5 5V/5A UBEC should do the trick nicely :)
HobbyKing may have some info on modifying servos to make them move 180 degrees. I know Servo City does. Much less complicated than using an Arduino, unless you're doing it as a project to learn how to use it.
Rodson ... a) research on Sail Servos used for RC boats. These can rotate 180 deg stock. b) Use a Servo Stretcher or, c) modify your servo for the purpose.
How cheap! I've got one with atmega 168, weaker than this one, for 15 bucks from ****. And the chip died on that one, will replace with 328.
I am going to use it as a servo-stretcher, gyro-compatible V-tail mixer and failsafe for pan-tilt on my fpv plane. The firmware for this is half-done, I'll share it later.
This is also used in MultiWii quad stabilisation.
Can HK also sell this with no pins installed, because when using it in models want it as small and light as possible, let the user solder the pins if they need to. (include pins separately)this is how they often sold on Chinese websites. Also this is often used in the AR Drone Miru mod to control with radio TX instead of wifi
OK, the one i bough has an extra 3.3V regulator so you can choose Vcc of 5V or 3.3V, even if you run 5V can still use 3.3V for powering 3.3V devices.
for example i will use on ar drone 5V for Nano and RX and can use 3.3V to power a GPS RX.
Ahh I wish those are back in stock. This is the same as the Nano but without the heavy price. I run a full camera control on this chip and it works Aplusplusplusplus! Thank you HK for bringing the Arduino World to us!
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SAMolzen
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The three Nano's I bought all work perfectly. Great value. Very good quality soldering and build. I have them talking to one-another via I2C. Great stuff! : )
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Igor Zhydanov
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mikeythev
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These are totally worth the money. I've used the Duemilanoves for a few years and now I want to go smaller. These nanos plug in nicely to any standard breadboard, and program just like any other "duino" product. I purchased two and both are working great. I'm using these with students in an electronics course and they enjoy the ease of a breadboard-ready product. I've driven servos with the PWM, blinked LEDs, and transmitted analog and digital signals over the serial line. Nice work HobbyKing.
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maybe i'm 'read by the book' type guy. I read at atmega328 specs actually atmega328 can be powered from 1.8 v (4 Mhz clock speed), at 2.7 v ( 10 Mhz ), at 4.5 v ( 20 Mhz clock ), and up to 5.5 v the maximum limit. Peace 
