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Jun 08, 2011, 02:54 PM
MelihK's Avatar
Thread OP
New Product

3.3v 16MHz Arduino Comp. Pro Mini Boards from FLYTRON


Hi Guys,

We are working on some aerial photography projects since few months and testing all multicopter controller boards as possible.
When i work with MultiWiiCopter boards, 5V 16Mhz Arduino Pro Mini was a big problem for our 3.3v sensors. You need external logic level converter boards and more wiring to sensors .

Then, we produced these boards


These boards merging 2 type (5v 16MHZ and 3.3v 8MHz) Arduino Pro Mini's features.

It is completely same with 3.3v Pro Mini boards and 16MHz!

Features
  • ATmega328 running at 16MHz with external resonator (0.5% tolerance)
  • Low-voltage board needs no interfacing circuitry to popular 3.3V devices and modules (GPS, accelerometers, sensors, etc)
  • USB connection off board
  • Supports auto-reset
  • 3.3V regulator
  • Max 150mA output
  • Over current protected
  • Reverse polarity protected
  • DC input 3.3V up to 12V
  • On board Power and Status LEDs

Important:
  • You need 3.3v FTDI cable for programming it. Dont use 5V cables
  • Select board type as Arduino Pro or Pro Mini 5V,16Mhz with Atmega328 on Arduino software

Product link: http://www.flytron.com/17-multicopter-parts

Thanks for reading
Melih
Last edited by MelihK; Jun 08, 2011 at 03:03 PM.
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Jun 09, 2011, 01:37 AM
Registered User
Quote:
Originally Posted by MelihK
Hi Guys,

We are working on some aerial photography projects since few months and testing all multicopter controller boards as possible.
When i work with MultiWiiCopter boards, 5V 16Mhz Arduino Pro Mini was a big problem for our 3.3v sensors. You need external logic level converter boards and more wiring to sensors .

Then, we produced these boards


These boards merging 2 type (5v 16MHZ and 3.3v 8MHz) Arduino Pro Mini's features.

It is completely same with 3.3v Pro Mini boards and 16MHz!

Features
  • ATmega328 running at 16MHz with external resonator (0.5% tolerance)
  • Low-voltage board needs no interfacing circuitry to popular 3.3V devices and modules (GPS, accelerometers, sensors, etc)
  • USB connection off board
  • Supports auto-reset
  • 3.3V regulator
  • Max 150mA output
  • Over current protected
  • Reverse polarity protected
  • DC input 3.3V up to 12V
  • On board Power and Status LEDs

Important:
  • You need 3.3v FTDI cable for programming it. Dont use 5V cables
  • Select board type as Arduino Pro or Pro Mini 5V,16Mhz with Atmega328 on Arduino software

Product link: http://www.flytron.com/17-multicopter-parts

Thanks for reading
Melih
im not sure, but is a 3V3 signal high enough for a normal esc or servo?
Jun 09, 2011, 02:07 AM
MelihK's Avatar
Thread OP
Quote:
Originally Posted by warthox
im not sure, but is a 3V3 signal high enough for a normal esc or servo?
Yes it is. All digital receivers (2.4 or UHF) working with 3.3v processors. ESC and Servos accepting 1.8 or higher signal levels.
Jun 09, 2011, 02:44 AM
Registered User
RCvertt's Avatar
Quote:
Originally Posted by MelihK
These boards merging 2 type (5v 16MHZ and 3.3v 8MHz) Arduino Pro Mini's features...
I like this idea.
Last edited by RCvertt; Jun 09, 2011 at 02:56 AM.
Jun 09, 2011, 03:01 AM
Suspended Account
How do you make 3.3V mega run at 16mhz?
Jun 09, 2011, 04:26 AM
MelihK's Avatar
Thread OP
Quote:
Originally Posted by timecop
How do you make 3.3V mega run at 16mhz?
It's working between 5-1.8v at 20MHz without any problem. I'm using Atmega328P chips on 16mhz 3.0-4.2v since years, i didnt notice any problem.
Jun 09, 2011, 07:23 AM
Suspended Account
POh ok lol i wonder why people bother with 5v then...
Jun 09, 2011, 08:43 AM
MelihK's Avatar
Thread OP
I guess it is Arduino's marketing strategy


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