View source for Microduino BT Serial port Transmits Data to IOS Device

{{Language|Microduino-BLE_IOS}}
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==Outline==
Project: Having communication between Microduino-BT and IOS device.  

Purpose: IOS device sends character string through Microduino-BT to Microduino-Core and shows it on OLED. 

Difficulty: Elementary 

Time-consuming: 20-minute 

Maker: Microduino Studio-YLB

==Bill of Material==
*Microduino Equipment 
{|class="wikitable"
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|Module||Number||Function 
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|[[Microduino-Core]]||1||Core board 
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|[[Microduino-USBTTL]] ||1||Program download 
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|[[Microduino-BT]]||1||Bluetooth communication 
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|[[Microduino-OLED]]||1||Display 
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|[[Microduino-Cube-S1]]||1||Base board  
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*Software Equipment
Arduino IDE(version 1.0 and higher). You can download and install LightBlue from App Store;  

*Other Equipment and Components 
**IOS device supporting BT 4.0 (support iPhone4s, iPod touch 5, iPad 3, iPad mini and higher);  
**micro usb cable.  

==Document==
Program Download:[[File:BT.zip]]

==Debugging==
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Step 1: Start Arduino IDE, open Microduino test program choose the board Microduino-Core(Atmega328P@16M,5V);  

Step 2: Stack [[Microduino-USBTTL]], [[Microduino-Core]] and [[Microduino-BT]] together and plugin microUSB cable for program download. 
[[File:ble-ios-system.jpg|600px|center|thumb|202KIT-OK]]

Step 3: Start the Bluetooth function of IOS device; 

Step 4: Open LightBlue, select “Microduino” in “Peripherals Nearby” and then click connection. 
[[File:ble-Connection- Microduino.png|600px|center|thumb]]
[[File:ble-Connection-new.png|600px|center|thumb]]
Step 5: LED indicator keeps on for 100ms every 5 seconds after successful connection. Meantime, you can see connection on IOS device and then select “Characteristic 6”; 
[[File:ble- Characteristic-0.png|600px|center|thumb]]
[[File:ble- Characteristic.png|600px|center|thumb]]

Step 6: Click “HEX” on the top right and select “UTF-8 String”; 

[[File:ble- HEX.png|600px|center|thumb]]
[[File:ble- UTF-8 String.png|600px|center|thumb]]

Step 7: Select “Write new value” and enter any data you want to send and then select “Done”. 
[[File:ble- Write.png|600px|center|thumb]]
[[File:ble- Write-1.png|600px|center|thumb]]

At this time, you can the character string on OLED. You can send “clean” to clear the display.
[[File:ble- OLED.jpg|600px|center|thumb]]
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