Week 8

Last week the bluetooth cannot connect with arduino Uno because the Uno version is no longer support Bluetooth connection. I had try many times and still the same result ( cannot connect). I had done my research on this problem and found that the Arduino Nano can support the bluetooth. So i decide to buy this Arduino nano from myduino and cost about RM 75.00 only. The problem with this arduino is the ATMEGA is mounted to the board, so i cannot make a new circuit to this arduino. I had to use the NANO in my circuit.

Features of Arduino NANO

• Automatic reset during program download
• Power LED
• Green (TX), red (RX) and orange (L) LED
• Auto sensing/switching power input
• Small mini-B USB for programming and serial monitor
• ICSP header for direct program download
• Standard 0.1” spacing DIP (breadboard friendly)
• Manual reset switch

Figure 1 : Arduino NANO

Figure 2: Arduino NANO and Blutooth

Figure 3: Connection of NANO and Bluetooth

Using method last session, the connection was succesful.  Android pairs and starts sending data with the help of Test Event which was configured earlier. Now every 5 seconds a random number is forward to Arduino and it flashes LED for 1 sec and this continues for ever till one disconnects Android from Arduino. 

This testing was successful and function well as expected. So next step is prepare to play with this Bluetooth and Android application.