How to assemble Amarino Evaluation Shield

SEE ALL THE PHOTOS ON FLICKR This post shows you how to build the Amarino evaluation shield.

When you buy the shield package, you will get the following components.

Fully assembled kit is now available on buildcircuit.net.

The PCB:

PCB clearly shows the pin and component names, so, it should help you to get idea of connections of components to Arduino. If you just follow the names of components on the PCB, it is possible to assemble the whole kit without reading the rest of this post. However, I have shown all the important steps.

Step 1: Always start with the smallest component. So, start with resistors. Fix resistors 220R.

Step 2: Then fix 10k resistor.

Step 3: Then, fix LDR and 5mm white LED.

Step 4: Fix tactile switch

Step 5: Fix LM35.

Step 6: Fix RGB LED. It is common cathode type RGB LED.

Step 7: Solder all the female headers.

Step 8: Solder 10k variable resistor and 1 position DIP switch,

Step 9: Fix 16×2 LCD. While soldering the header the 16×2 LCD, the longer part of header should be on the upper side of PCB. Please see the picture below:

When you purchase the kit, you may get a slightly different LCD that needs to be fixed in the following way:

Step 10: Solder 4 pcs of male headers on the PCB to stack the shield over the Arduino.

Your shield is ready 🙂 .

Stacking adapter: You can stack either BlueSMiRF mate silver or general Bluetooth adapter over the shield. See the following pictures how they are stacked.

First Experiment: Test if the LCD is working- source code   Download source code  Watch the video to know how to change the contrast level of LCD. Move the 10k variable resistor screw in the clockwise direction to increase the contrast level. After you confirm that the LCD is working, modify the source to test RGB LED, LDR, LM35DZ and 5mm LED. Check the schematic and circuit layout.


Check out all the experiments with Amarino Evaluation shield


try this also

Fully assembled kit is now available on buildcircuit.net. Watch all the videos (Playlist):

try this also

Bluetooth adaptors supported by Amarino Shield

BT adaptor

 In Amarino shield version 3.0, there are headers for 3 different bluetooth adapters.

a. General Bluetooth Adapter – Cheapest adapter available at www.buildcircuit.net. RECOMMENDED !

b. BlueSMiRF– Bluetooth Mate Silver– More expensive adapter available on sparkfun.com.

c. BlueSMiRF Gold – The most expensive adapter available on sparkfun.com.

Bluetooth Modules for Amarino shield– Whichever Bluetooth adaptor you are using, the baud rate of Bluetooth adapter should match with the Serial Monitor’s baud rate. For example, if your Arduino source code has

Serial.begin(57600);

then, the baud rate of Bluetooth adapter should also be 57600. The default baud rate of BlueSMiRF module and general adapter is 9600. The shield works excellent with 9600. However, if you want to change the baud rate of BlueSMiRF module, here’s a tutorial.

We don’t know if we can change the baud rate of general Bluetooth adapters with the process mentioned on this tutorial. You can try it.

– This project has been tested with BlueSMiRF module as well as general Bluetooth adapter module and it works well.

Bluetooth Mate Silver

———————————————————————————————————————————————————

BT adaptor
Bluetooth Serial Adapter

Related tutorials:


You can purchase this versatile Amarino shield at buildcircuit.net. The store is owned and operated by the team which operates buildcircuit.com.

Amarino shield in use (2)Buy now button


Assembly Tutorial of Amarino Nano 1.0

Amarino Nano 1.0

Please visit this page first to know about Amarino Nano.

Assembly process of this kit is very easy. If you have basic soldering knowledge, you can assemble the board within half an hour.

You can directly visit BuildCircuit’s Flickr page and see all the assembly steps.

If you look at the PCB, you will see that the silkscreen labels are enough to guide you to solder the components properly.

PCB

Before you start, make sure that you have all the required components.

Here’s the list of components:

  • 1 x Arduino Nano
  • 1 x Bluetooth adapter
  • 1 x Amarino Nano PCB
  • 2 x 15 pin female headers
  • 1 x 4 pin female header
  • 1 x Red Color 1P DIP switch
  • 1 x LM35DZ temperature sensor
  • 1 x 5mm LED
  • 1 x RGB LED- common cathode
  • 1 x photo resistor
  • 4 x 220 Ohm resistor
  • 1 x 10K Ohm resistor

Now, follow these steps:

1. Always start with the small components. So, solder all the resistors first. Solder 220 Ohm resistors.

Step 2- Solder resistor that connects to D11

2. Solder 10K Ohm resistor and the photo resistor

Step 3- Solder 10K Ohm resistor

3. Solder LM35DZ temperature sensor.

Step 5- Solder LM35

4. Solder 1P DIP switch, the one in RED color. This switch has to be turned off while uploading the Arduino sketch.

Step 6- Solder 1P DIP switch

5. Solder 5mm white LED

Step 7- Solder 5mm LED

6. Solder common cathode RGB LED

Step 8- Solder RGB LED Step 8.2- RGB LED top view

7. Solder 4 pin female header for Bluetooth moduleStep 9- Solder 4pin female header

8. Solder 2pcs 15 pin female header to stack the Arduino NanoStep 10- Solder 15 pin female headers

9. Stack the Bluetooth module and the Arduino Nano on the correct female headers. Your Amarino Nano board is ready to use. Visit this page for experiments.

Step 11- Fix Arduino Nano and Bluetooth Module

10. Connect a mini USB cable to operate the kit.

Connect USB cable and use the kit

See the following links:

1. About Amarino Nano 1.0

2. Experiments with Amarino Nano 1.0– You will get all the Apps and Arduino sketches on this page.

3. All the images on Flickr


Where can you buy this kit ?

The kit is available at BuildCircuit Store (www.buildcircuit.com.au- Free Shipping in Australia)

Amarino Nano-1-1Buy now button

Amarino Nano 1.0

Amarino Nano 1.0

amarino nano

[mpc_vc_quote quote=”Amarino Nano 1.0 kit facilitates communication between Arduino Nano and Android applications via Bluetooth. “]

Amarino Nano Output

Amarino Nano is a very simple kit for experimenting with Amarino toolkit– a quick prototyping application based on Android. However, you don’t essentially need Amarino toolkit to experiment with this kit.

It works with many other apps made for Android-Arduino communication via Bluetooth. You can also use this as a simple shield for Arduino Nano.

Amarino Nano is based on: 

  1. Arduino Nano– You need an Arduino Nano for Amarino experiments.
  2. Amarino toolkit application: Amarino toolkit is an Android application. Read more…

amarino app

3. Bluetooth communication medium: You will need a Bluetooth adapter module to make communication between Arduino Nano and Amarino toolkit.

What can Amarino Nano do: 

Like any other Amarino kits (Amarino DIY shield, Amarino evaluation shield), Amarino Nano 1.0 basically facilitates interaction between Arduino and Android via Bluetooth communication medium.

Features: 

  1. Control RGB LED: You can control an RGB LED from your Amarino application. In this experiment, you transmit control signals from Android to Arduino. Watch this video. See all the steps.
  2. Display LDR sensor data on Sensor Graph: You can see light sensor data and a simple graph on your Android phone interface. The sensor data is transmitted from Amarino Nano 1.0 kit to the phone. In this experiment, you transmit sensor signals to your Arduino and vice versa. Watch this video
  3. Display temperature sensor data on phone: You can see temperature sensor data (from LM35) on your Amarino application interface. In this experiment too, you transmit temperature sensor signals to your Arduino and vice versa. Watch this video.
  4. Control 5mm LED : You can control a 5mm white LED present on the kit. You can simultaneously control the LED and see sensor data. In this experiment, you transmit and receive signals from Android to Arduino and vice versa simultaneously. You can see in the experiment no.3.
  5. Use as Arduino Nano Shield: You can use this kit to experiment with Arduino Nano. You don’t need any Android app for that 🙂 .
  6. Test any Android app for Arduino: You can test any Android App made for Android-Arduino communication via Bluetooth. You can find several apps on Google Play.
[mpc_vc_deco_header type=”h6″ align=”left” text=”What does the kit package include”]

Amarino Nano 1.0 Assembled: 

Amarino Nano 1.0 “assembled version” has all the components assembled on the PCB board. In addition to the circuit board, you will get the following:

1. Bluetooth adapter module

2. Arduino Nano 1.0 (Chinese version with CH340G chipwith mini USB cable

Amarino Nano 1.0

Amarino Nano 1.0 DIY kit:

Amarino Nano 1.0 comes with all the components required to build the kit. With basic soldering knowledge you can easily build the kit.

You will get the following components:

  1. 1 x PCB- Click on the link to see how the PCB looks. You will get all the direction for soldering by seeing on the PCB. It’s very easy.
  2. 4 x 220 Ohm resistors: These resistors are current limiters for RGB and 5mm white LEDs.
  3. 1 x 10K Ohm resistor: This resistor is connected to LDR (photo resistor, light sensor) forming a voltage divider network.
  4. 1 x Light dependent resistor(LDR)/ Photoresistor: This sensor is used for sensor graph experiment.
  5. 1 x LM35 temperature sensor: This temperature sensor is used for transmitting temperature data to the Amarino application.
  6. 1 x 1P DIP switch: This switch is used for switching on/off the Bluetooth module while programming the Arduino Nano. It is not a power on/off switch.
  7. 1 x 5mm LED
  8. 1 x RGB LED: This is used for RGB lamp experiment. You can control the LED with RGB Amarino application.
  9. 1 x 4 pin female header: This header is used for stacking the Bluetooth adapter module.
  10. 2 x 15 pin female headers: These headers are used for stacking the Amarino Nano.
  11. 1 x Arduino Nano with USB cable: You will get a Chinese version of Arduino Nano with a mini USB cable. It has CH340G chip.
  12. 1 x Bluetooth adapter module: This Bluetooth module facilitates communication between Arduino Nano and Amarino kit.

amarino nano

How to assemble the DIY version of Amarino Nano 1.0: 

  1. You can get the assembly tutorial on this page.
  2. You can see all the image on Flickr and get soldering idea.

Applications and Libraries

Before you begin your experiments with Amarino Nano 1.0, you need to download the following:

amarino app

  • Download Amarino Library for Arduino and move it to the Libraries folder. You can check here if the Amarino team has upgraded the library. It’s always good to use the updated version :) .  If the link does not work, you can download the library from this link. 
  • Other applications:

a. RGB LED Control application This application is for controlling the RGB LED.

multicolor lamp

If you need the source code, download it from here. The source code is optional and useful only for Android programmers. If the link does not work, download it from here.

b. Sensor graph application: This application is for getting LDR sensor signals from Arduino board. Source code for this application can be downloaded from here.

sensor graph

c. LM35 temperature sensor application:  With this application, you can transmit LM35 temperature sensor data to your Amarino application.

temperature sensor

Source code for this application can be downloaded from here.

Experiments:

As you can see from the schematic, the pins of Arduino Nano which are connected to the sensors and other components:

Analog Pins: 

A1: Connected to Photoresistor

A0: Connected to LM35DZ temperature sensor

Digital pins:

RGB LED: D3: Red, D5: Blue, D7: Green.

D11: 5mm White LEDAmarino Nano1

1. RGB LED Control experiment: In this experiment, you control the RGB LED with the RGB multicolor lamp application.

2. Sensor Graph: In this experiment, you can fetch the light sensor data on your Amarino interface. The Arduino sends sensor data to your phone.

3. Temperature sensor data on your phone: In this experiment, you can fetch the Lm35 temperature sensor data on your Amarino application interface. The Arduino sends sensor data to your phone and your phone can control the 5mm LED present on the Amarino Nano kit.

Where can you buy this kit ?

The kit is available at BuildCircuit Store (www.buildcircuit.com.au- Free Shipping in Australia)

Amarino Nano-1-1Buy now button

Experiments with Amarino Nano 1.0

If you have come to this page from a search engine, please read this page first, you will eventually come back to this page again. The first page gives you the idea of Amarino Nano 1.0 and its features.

Steps for experiments: 

Before you start the experiment, stack the Arduino Nano and Bluetooth modules on the headers of Amarino Nano. This is how you do that:

Amarino Nano-1-1

Then connect it to your computer for programming using the provided USB cable. Please remember that you need to turn off the RED colored 1P-DIP switch while uploading your sketch to your Arduino.

For all the experiments, you have the following things in common:

Step 1: Amarino Toolkit MAIN application: This is the main Amarino application to be installed on your Android phone. There are other applications which work only after installing the main application. If the link does not work, download the application from here.

Step 2: Amarino Library for Arduino: Download it and move it to the Libraries folder. You can check here if the Amarino team has upgraded the library. It’s always good to use the updated version :) .

If the given link does not work, you can download the library from this link. 

After installing the Amarino main application and Amarino library, we move to the following steps:

Step 3: Pair up the Bluetooth adapter module with the Bluetooth of your Android phone. The pairing code is 1234. 

After installing the Bluetooth adapter on the Amarino Nano kit, switch on the Bluetooth function of your phone, open the Amarino application and connect each other using the pairing code 1234. You can see the MAC ID of the Bluetooth adapter on the Amarino application interface. On the image shown below, you can see that there are two Bluetooth adapters with two different names and IDs registered on the application. Pressing the “Connect” button connects the application to the chosen adapter. You can connect only one adapter at one time.

Once the adapter is paired up, you don’t need to pair it again. 

Amarino Interface

A low cost general Bluetooth adapter is enough for this shield. You can purchase one at www.buildcircuit.com.au.

Look at the schematic before you start:

On the schematic given below you can see how the components are connected to Arduino Nano. Seeing the schematic you can expect the output of your projects.

Amarino Nano1

Experiment 1- RGB LED Control: watch this video.

Amarino Nano-1-1

This is how you stack Arduino Nano and Bluetooth modules on the headers.

Remember to turn off the RED color 1P DIP switch while uploading your Arduino sketch.

RGB LED is connected to digital pins 3(RED), 5(GREEN) and 6(BLUE).

RGB control application multicolor lamp

  • Open the application and control your RGB LED. As you move the slider, the color on the RGB LED changes. Remember to switch on the 1P DIP switch, otherwise, it won’t work. 

The multicolor lamp application

Experiment 2: Sensor Graph display

Switch off the RED color 1P DIP switch while uploading your Arduino sketch.

The photoresistor/LDR is connected to A1 and the 5mm white LED is connected to D11.

  • Download the sensor graph application and install it on your phone.
  • Download the Arduino source code and upload it to your Arduino Nano. NOTE: You need to switch off the 1P DIP switch while uploading the sketch. After uploading switch it on again.
  • Set Bluetooth MAC ID. It is different for all Bluetooth modules. My Bluetooth module has MAC ID: 98:D3:31:70:3A:98, so, I used that. You will have a different MAC ID for your module.

Sensor Graphsensor graph

  • Open the application and see the sensor data on your phone. You may also control the 5mm LED simultaneously. Remember to switch on the 1P DIP switch, otherwise, it won’t work. 

sensor graph (2)

Experiment 3: LM35 temperature sensor data display

Switch off the RED color 1P DIP switch while uploading your Arduino sketch.

LM35 temperature sensor is connected to A0.

temperature sensor log intemperature sensor

  • Open the application and see the sensor data on your phone. You may also control the 5mm LED simultaneously. Remember to switch on the 1P DIP switch, otherwise, it won’t work. 

temperature sensor datatemperature sensor


Where can you buy this kit ?

The kit is available at BuildCircuit Store (www.buildcircuit.com.au- Free Shipping in Australia)

Amarino Nano-1-1Buy now button

Cosmarino- A DIY kit for Android-Arduino communication

Cosmarino

“Cosmarino is a kit for experimenting Android-Arduino communication via Bluetooth.”

Features: 

  • Control RGB LED with Android phone
  • Display photoresistor sensor data on a graph on Android phone
  • Transmit LM35DZ temperature sensor data on Android phone
  • Control 5V relay with Android phone
  • Control 5V relay and LED with any infrared remote control

This is Cosmarino- A simple DIY kit for facilitating communication between Arduino Nano and Android via Bluetooth communication medium. The kit also has a TSOP4838 infrared sensor which offers you the possibility of controlling the kit with a normal infrared remote control.

The kit has been designed to support particularly Amarino toolkit Android application, but we have tested the kit with many other applications made for Arduino-Android communication via Bluetooth and all have worked properly.

The kit package includes:

  1. Cosmarino kit- Available in fully assembled and DIY versions
  2. Bluetooth module
  3. Amarino Nano– Chinese version with CH340G chip
  4. Infrared remote control

Cosmarino has the following features:

  • Android app controlled: The Cosmarino kit can be controlled with several Android applications made for controlling Arduino or communicating with Arduino via Bluetooth. We have used Amarino toolkit and many other Android applications for testing different features of the kit.
  • Bluetooth support: The control signals from Android phone are sent to Arduino Nano via Bluetooth. There is a Bluetooth module connected to the circuit board that facilitates communication between Android and Arduino.
  • TSOP4838 infrared sensor: There is a TSOP4838 infrared sensor on the circuit board which allows you to control Cosmarino with any kind of TV/DVD remote control. However, the kit package includes an Infrared remote control also.
  • Fully programmable: The kit is fully programmable because it has Arduino Nano.

Experiments:

You can do several experiments with Cosmarino. Some of the interesting experiments have been listed below.

1. RGB LED control: You can control the common cathode RGB LED with your Android smart phone.

multicolor lamp

2. Relay control- Relay on the kit can be controlled with the phone or any remote control.

3. LDR/photoresistor sensor data- Cosmarino can transmit LDR sensor data to your phone. You can receive LDR sensor data and control the 5mm LED at the same time.

This feature is available with Amarino toolkit application only.

sensor graph

5. LM35 temperature sensor data- The kit transmits LM35 temperature sensor data to your phone. You can receive the sensor data and control the 5mm LED at the same time.

This feature is available with Amarino toolkit application only.

temperature sensor

 Schematic: (Click on the schematic to enlarge)

cosmarino

As you can see on the schematic the components have been connected to the Arduino Nano in the following way:

1. OUTPUT- RGB LED: R= D3, Blue= D5 and Green= D6. All these digital pins have Pulse Width Modulation function.

2. OUTPUT- 5mm LED connected to Digital pin D11

3. OUTPUT- 5V relay connected to Digital pin D2

4. INPUT- LDR/Photoresistor connected to Analog pin A1

5. INPUT- LM35 temperature sensor connected to Analog pin A0

6. INPUT- TSOP4838 infrared sensor connected to Digital pin D7

Related documents:

Where can you buy ?

buildcircuit

Cosmarino Assembly Tutorial

If you have come to this page from a search engine, please check this page first, you will eventually come to this page again.

About Cosmarino

The assembly process of the Cosmarino kit is very straight forward. You just need to follow the silkscreen labels to get the idea of assembly. A basic knowledge in soldering is enough for assembling the kit.

To be quick, you can see all the assembly images on Flickr. 

Step 1: Solder all the 220 ohm resistors

Step 1- Solder 220 Ohm resistors

Step 2: Solder 330 Ohm and 10K ohm resistors

Step 2- SOlder 330 Ohm and 10K Ohm resistors

Step 3: Solder 1N4001 diode.

Step 3- Solder 1N4001 Diode

Step 4: Solder LDR/ photoresistor.
Step 4- Solder LDR

Step 5: Solder BD139 NPN transistor
Step 5- Solder BD139 NPN transistor

Step 6: Solder LM35DZ temperature sensor
Step 6- Solder LM35 temperature sensor
Step 6.1- LM35 temperature sensor

Step 7: Solder TSOP4838 infrared sensor
Step 7- Solder TSOP4838 infrared sensor

Step 8: Solder 1P DIP switch
Step 8- Solder 1P DIP switch

Step 9: Solder 5mm white LED
Step 9- Solder 5mm White LED

Step 10: Solder RGB LED
Step 10- Solder common cathode RGB LED
Step 10.1- RGB Common cathode LED

Step 11: Solder 2pcs 15 pin female header
Step 11- Solder 4 pin and 15 pin female headers

Step 12: Solder 3 pin screw terminal
Step 12- Solder 3 pin screw terminal
Step 12.1- 3 pin screw terminal

Step 13: Solder 5V relay
Step 13- Solder 5V relay

Step 14: Stack Bluetooth module and Arduino Nano
Step 14- Stack Bluetooth module and Arduino Nano

The kit is ready to use
Step 15- Use Mini USB cable to program Arduino Nano - Copy


Cosmarino Experiments


 

Related documents:

Where can you buy ?

buildcircuit   ebay   etsy

How to program Amarino lamp

Recommended app

To know about Amarino lamp, visit this page. 

Amarino lamp is fully programmable. The kit package consists of FTDI basic breakout board, you can use it to program the lamp. The lamp is based on Arduino.

Connect the FTDI basic breakout board to the lamp, open the Arduino programming interface and upload your sketch.

REMEMBER: Turn off the red colored 1P DIP switch 1-position-2p-side-style-dip-switch-redwhile uploading sketch(if the Bluetooth module has been stacked over the 4 pin female header)

programming

Documents: 

  1. About Amarino Lamp
  2. Assembly Tutorial
  3. Amarino Lamp- Light sensor
  4. Lamp test with different phone sensors
  5. How to program Amarino lamp

Where can you buy ?

buildcircuit    etsy

Amarino Lamp- Assembly tutorial

Recommended app

If you come to this page randomly from a search engine, please check this page first, you will eventually come back to this page.

About Amarino Lamp

This post shows you how to assemble the Amarino lamp. The kit package includes the following components. Click on the links of the components the components below to see how the components have been assembled on the circuit board.

You will need basic soldering knowledge to assemble the kit. The assembly process is very straight forward, you can easily guess which components to solder where on the PCB. The silkscreen labels are very clear and directs you to assemble the board properly.

  1. 1 x Bare PCB with silkscreen indicators. (click on the links to see the assembly images)
  2. 2 x 22pF ceramic capacitors  (step 1)
  3. 1 x 0.1uF ceramic capacitor   (step 2)
  4. 1 x 16Mhz crystal oscillator   (step 3)
  5. 1 x 1N4001 diode                  (step 4)
  6. 1 x 3mm LED                         (step 5)
  7. 1 each x 10K and 1K resistors (step 6) 
  8. 1 x TSOP4838 infrared sensor (step 7)
  9. 1 x tactile reset switch             (step 7)
  10. 1 x 500mA PTC resettable fuse (step 8)
  11. 1 x 1P DIP switch  and 1 x SPDT switch (step 9)
  12. 1 x 4 pin female header            (step 10)
  13. 1 x 28 pin DIL socket                (step 11)
  14. 1 x 16 pin DIL socket                (step 12)
  15. 1 x 6 pin male header for FTDI basic breakout board (step 13)
  16. 2 x 10uF electrolytic capacitor (step 14)
  17. 1 x DC barrel                             (step 15)
  18. 1 x LM7805 with heat sink       (step 16)
  19. 1 x LED lamp                             (step 17)
  20. 1 x Bluetooth module               (step 18) (you need to stack this Bluetooth module while using the kit)
  21. 1 x ULN2003 and 1 x Atmega328P with Arduino Bootloader (Insert these chips in the respective DIL sockets)

Documents: 

Where can you buy ?

buildcircuit   etsy

Theory behind Android- Arduino communication via Bluetooth

Bluetooth profile is a wireless communication interface that connects Bluetooth devices. The profiles define requirements for implementing of Bluetooth for various applications, such as, file transfer, wireless headset usage, etc.  The following figure depicts different Bluetooth profiles and their usage. (more…)

Display SMS on LCD using Amarino evaluation shield

Tutorial for Amarino Beginners- Display your SMS on 16×2 LCD.

This tutorial shows you how to display SMS on 16×2 LCD. This tutorial is based on Amarino. It utilizes Receive SMS plugin of Amarino. This plugin sends the first 30 characters of a received SMS to Arduino. The message is sent as a string. The length of the string can be between 0 and 30.

(more…)

Amarino Evaluation Shield

After the success of BuildCircuit’s first Amarino Shield for Android-Arduino experiments, we are here with Amarino Evaluation Shield. I am grateful to all the customers and readers who purchased our first kit and gave us their wonderful comments.

About Amarino Evaluation Shield:

Amarino Evaluation Shield is for Amarino toolkit and most of the available Android VT-100 serial terminal emulators. With Amarino evaluation shield, you can test all the plugins of Amarino, practically speaking, you can do all the Amarino related experiments. Besides, you can try simple Android-Arduino experiments using Android VT-100 serial terminal emulators.

(more…)

Experiments with Amarino Evaluation Shield

Before you read this post, please read the following  posts:

a. Introduction to Amarino evaluation shield.

b. Amarino evaluation shield assembly tutorial.

You can do several experiments with Amarino evaluation shield, for example, control RGB LED, visualize sensor graph on Android phone, display SMS on LCD, etc.  Before we start the experiments, let’s check the circuit layout of the shield. The layout has been made using Fritzing (www.fritzing.org).

(more…)

Assembly instructions for Amarino 3.0 DIY shield

Step 13- Solder stackable header

This post gives you the idea for assembling the Amarino shield. To get full details about this shield,  CLICK HERE.  When you buy the kit package, you will get the following PCB. The PCB clearly shows the pin and component names, so, it should help you to get idea of connections of components to Arduino.  For example, LDR is connected to A1 and RGB LED is connected is to D3, D5 and D6 and you can see those pins labeled on the PCB. (more…)

Amarino based Sensor Graph with Custom Bluetooth ID and LED controller

In this project, you can control an LED and see sensor graph simultaneously. For your convenience, I have used a simple light sensor circuit. The resistance of the photo resistor varies with the amount of light falling on it. The amount of light is varied with LED controller and the sensor data variation can be seen on the Sensor Graph.

Amarino project- Arduino and Android based light sensor

With this project/application, you can make a light sensor dependent lamp. You can make a light sensor or dark sensor with this application.

The light sensor of your Android smart phone senses ambient light present in your room and sends commands to Arduino board. Your Arduino program determines the behaviour of the LED, whether it should glow bright or dim. You can also see the light sensor data on the smart phone interface. (more…)

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