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Geeetech SIM900 Quadband GSM GPRS V2.0 Development Board & LCD1602 Arduino UNO
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Geeetech SIM900 Quadband GSM GPRS V2.0 Development Board & LCD1602 Arduino UNO
Price: CN $75.10
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Description 1.Genuine Arduino UNO R3

The Arduino Uno is a microcontroller board based on the ATmega328. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz crystal oscillator, a USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started.


The Uno differs from all preceding boards in that it does not use the FTDI USB-to-serial driver chip. Instead, it features the Atmega16U2 (Atmega8U2 up to version R2) programmed as a USB-to-serial converter.


Revision 3 of the board has the following new features:

  • 1) 1.0 pinout: added SDA and SCL pins that are near to the AREF pin and two other new pins placed near to the RESET pin, the IOREF that allow the shields to adapt to the voltage provided from the board. In future, shields will be compatible both with the board that use the AVR, which operate with 5V and with the Arduino Due that operate with 3.3V. The second one is a not connected pin, that is reserved for future purposes.
  • 2) Stronger RESET circuit.
  • 3) Atmega 16U2 replace the 8U2.

\"Uno\" means one in Italian and is named to mark the upcoming release of Arduino 1.0. The Uno and version 1.0 will be the reference versions of Arduino, moving forward. The Uno is the latest in a series of USB Arduino boards, and the reference model for the Arduino platform; for a comparison with previous versions, see the index of Arduino boards.


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2.Geeetech Iduino UNO R3

The Iduino Uno is a microcontroller board based on the ATmega328. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz ceramic resonator, a USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started.

The Uno also adds SDA and SCL pins that are near to the AREF pin and two other new pins placed near to the RESET pin, the IOREF that allow the shields to adapt to the voltage provided from the board. In future, shields will be compatible both with the board that use the AVR, which operate with 5V and with the Arduino Due that operate with 3.3V. The second one is a not connected pin, that is reserved for future purposes.Besides,the board has stronger RESET circuit.


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3.GPRS Shield V2.0 Hook your Arduino up to GSM/GPRS cell phone network with GPRS shield! You can use your Arduino to dial a phone number or send a text to your friend via easy to use AT commands now. This new version features a quad-band low power consumption GSM/GPRS module SIM900 as well as a compact PCB antenna. Meanwhile, improvements on interfaces and basic circuit have been taken to make it more concise and reliable. Features:
  • Compatible with standard Arduino and Arduino Mega
  • Selectable interface between hardware serial port and software serial port
  • Quad band support: 850/900/1800/1900MHz
  • Support TCP/UDP protocols
  • Full control via AT commands set: Standard - GSM 07.07 & 07.05 and Enhanced - SIMCOM AT Commands
  • 2-in-1 headset jack
  • Convenient external SIM card holder
  • Low power consumption: 1.5mA(sleep mode)
  • 3V CR1220 Battery Holder Connetor

Click here to learn more information. Package list: 1 x Iduino/Arduino UNO1 x Geeetech GPRS V2.0 shield1 x LCD1602 module1 x USB2.0 for Arduino UNO1 x 40pin header16 x 30cm 1pin female to male jumper wire2 x 30cm 2pin female to male jumper wire
Payment 1.We accept PayPal only.
2.Please clear the payment within 7 working days, my dear friends. Delivery details 1.For United States address, standard shipping carrier is ePacket with tracking code delivery time is 7-14 busienss days.2.For outside US address,standard shipping carrier is Hong Kong Post without tracking code, delivery time is 7-30 business days.We provide free tracking numbers for orders above 45USD. Please contact us if you want to add a tracking number for small orders.3.Express shipping like DHL, Fedex, UPS, TNT is also avaiable if you are willing to pay extra. DHL is our standard shipping carrier for Expedited shipping. Please contact us if you want a different carrier. Terms of sales 1.Customs duties or taxes are buyer\'s resposibility for all of the listings.Please check with your local customs office if you have any doubts.2.Please confirm you are putting a correct and complete shipping address here. You are resposible for extra charge if your package were to be returned because of wrong address. Returns If you find the item you received defective or damaged, you are surely eligible for a full refund or exchange. When requesting your refund, please kindly be ready to provide us photographs clearly showing the problem with the item and its courier number as soon as possible. Alternatively, Please open the item in front of the deliveryman and if you find it damaged during shipping, you can reject it. We will then ship you a new item immediately. Contact us 1.We are always here offering friendly, comprehensive customer service every step of the way. Please follow the good practice to contact us if any doubts and problems. We sincerely hope our item and customer service can give you the BEST BUYING EXPERIENCE on .
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