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BuildCircuit is an online store for selling electronics kits and components related to Arduino, Raspberry Pi, etc. We ship from Liverpool, NSW, Australia.

We design and sell basic electronic kits and Arduino modules for all electronics enthusiasts.


Cosmarino- Arduino Android communication via Bluetooth

US $19.81
Calculated at checkout
Current Stock:
Out of Stock
Out of Stock

If the quantity displayed is less than what you need, please contact us as we can get this product within 7-10 working days or we may still have this in our other stores. Please contact us before you leave, we will respond.

 This product is shipped from Sydney, Australia. Worldwide shipping available- we ship to USA, Canada, New Zealand, UK, EU and Non-EU countries.

We are currently selling the Fully Assembled version of Cosmarino V.1.0

Description: Cosmarino is a versatile kit that can be used for experimenting with Android-Arduino communication via Bluetooth. 

The kit package includes: 

  • Cosmarino kit- Fully Assembled
  • Bluetooth module
  • Arduino Nano with USB cable
  • Infrared remote control. 


  • 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.


  • RGB LED Control: You can control RGB LED on the kit using Amarino toolkit application. RGB LED control is possible with other general applications available on Google Play. 
  • Sensor graph: Display light sensor data on Amarino application interface. You can simultaneously control a 5mm LED while getting light sensor data on your phone. This gives you the idea of transmitting and receiving data from Arduino to Android and vice versa.
  • LM35DZ temperature data dispaly: You can display LM35DZ temperature sensor data on your Amarino app interface and at the same time you can control the 5mm LED. 
  • 5V relay control with Infrared remote and Android app: You can control a 5V relay with your Android app or infrared remote control that you use for your TV/DVD.                                                                                                                                                                 



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Information about shipping

BuildCircuit is a trustworthy online store established in Sydney, Australia. We have been maintaining our quick shipping service since we started the store in Turku, Finland(in 2012).

Shipping information for international customers

We ship our products to more than 45 countries using Australia Post. Our regular customers are from the USA, Canada and Europe. We are currently using four different shipping methods to ship the orders to international destinations. We request you to select 'Standard Post' or 'Registered Post' while checking out so that you can receive your package quickly.

We usually ship your orders within 1-2 days. Small orders are usually processed and shipped on the same day.

Shipping information for Australian customers

All the orders from Australia are shipped on the next day at 9.00AM. Orders with Express Australia Post are also shipped on the next day if your order is placed before 1.00PM. We provide tracking code for Standard, Registered and Express Post orders only.

Australia Post has never lost any package since we started our business in Ausralia. So, we request you all to buy with confidence.

Are we reliable ? How to know we are genuine sellers ? How is your payment safe ?

1. If you make a payment via Paypal and if we don't ship, you can open a case on Paypal and ask for refund. Paypal will be on your side and they will make full refund.

2. We have been selling on Ebay also and we are TOP RATED SELLER on Ebay. Please check our store: http://stores.ebay.com.au/buildcircuitstore

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4. We have a popular blog www.buildcircuit.com and people from all over the world read our posts. We are seriously in the business, therefore, we WILL ship your orders

For International Customers: For registered and express post orders, you will receive a notification on your email after the package is landed in your country. Examples given below:


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