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We offer only the top quality products on the market, The SainSmart C21 Kit with UNO + LCD Keypad Shield + HC-SR04 Distance Sensor + Prototype Shield + Mini Breadboard + Jump Wires for Arduino UNO R3 MEGA Mega2560 Nano DUE Duemilanove AVR ATMEL Robot XBee ZigBee is one that you should have. The SainSmart C21 Kit with UNO + LCD Keypad Shield + HC-SR04 Distance Sensor + Prototype Shield + Mini Breadboard + Jump Wires for Arduino UNO R3 MEGA Mega2560 Nano DUE Duemilanove AVR ATMEL Robot XBee ZigBee is a popular and highest rated product in the market. People who have purchased and used this amazing product are so happy with its performance. With its budget-friendly price and stunning features, this is definitely a great buy for people who are looking a high quality product that their budget can afford.

Please read product description before you are sure to decide to buy this product or click here for more details.

• The SainSmart UNO is a microcontroller board based on the ATmega328.
• The SainSmart LCD Keypad shield module for Arduino Diecimila Duemilanove, UNO, MEGA1280, MEGA2560 board.
• SainSmart Prototype Shield: Access to a BlueSMiRF socket for wireless communication between Arduinos
• Ultrasonic Module HC-SR04 Distance Sensor automatically sends eight 40 kHz and detect whether there is a pulse signal back
• Buy them TOGETHER and get at the REDUCE price. It is a big bargain!!!

The SainSmart Uno 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.


The SainSmart LCD Keypad Shield includes a 16x2 HD44780 White on Blue LCD module
and a 5 push button keypad for menu selection and user interface programming.
Fully assembled. On-line Arduino tutorial and example code. Compatible with
Arduino Uno, Mega, Duemilanove. Uses digital pins 4 - 10, and analog pin 0.


The SainSmart Prototype Shield is a great kit to new Arduino users and geeks who
have sparkling ideas. You can choose to do soldering in the soldering area. You
can also make good use of the mini breadboard which can save your time of
soldering.


The Ultrasonic Module HC-SR04 Distance Sensor are 4 pins out of the module: VCC,
Trig, Echo, GND. So it's a very easy interface for controller to use it ranging.
The all process is : pull the Trig pin to high level for more than 10us impulse,
the module start ranging; finish ranging, If you find an object in front, Echo
pin will be high level, and based on the different distance,it will take the
different duration of high level. So we can calculated the distance easily:
Distance = ((Duration of high level)*(Sonic :340m/s))/2

Package Content


1 x Uno

1 x LCD Keypad Shield

1 x HC-SR04 Distance Sensor

1 x Prototype Shield

1 x Mini Breadboard

65x Jumper Cable

NOTE: Please download here for documentation.

https://s3-ap-northeast-1.aws.com/sain-amzn/20/20-011-901/LCD1602.rar

https://s3-ap-northeast-1.aws.com/sain-amzn/20/20-011-821/20-011-821.rar

Best Price SainSmart C21 Kit with UNO + LCD Keypad Shield + HC-SR04 Distance Sensor + Prototype Shield + Mini Breadboard + Jump Wires for Arduino UNO R3 MEGA Mega2560 Nano DUE Duemilanove AVR ATMEL Robot XBee ZigBee

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