Microduino BT Serial port Transmits Data to IOS Device

Language	English

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

Module	Number	Function
Microduino-Core	1	Core board
Microduino-USBTTL	1	Program download
Microduino-BT	1	Bluetooth communication
Microduino-OLED	1	Display
Microduino-Cube-S1	1	Base board

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:

Debugging

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.

文件:Ble-ios-system.jpg

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Step 3: Start the Bluetooth function of IOS device;

Step 4: Open LightBlue, select “Microduino” in “Peripherals Nearby” and then click connection.

文件:Ble-Connection- Microduino.png

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文件:Ble-Connection-new.png

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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”;

文件:Ble- Characteristic-0.png

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文件:Ble- Characteristic.png

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

文件:Ble- HEX.png

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文件:Ble- UTF-8 String.png

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Step 7: Select “Write new value” and enter any data you want to send and then select “Done”.

文件:Ble- Write.png

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