NoticeDifference between revisions of "BT Shield (Master Slave)"
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===UART Multiplexer (For free UART connection setting)=== | ===UART Multiplexer (For free UART connection setting)=== | ||
| + | You can use the jumper to connect the TXD and RXD pins of HC-05 to | ||
| + | D0, D1, D4~D7 pin of Arduino. | ||
| + | |||
| + | [[File:ITEAD BT SHIELD (MASTER SLAVE)2.jpg]] | ||
| + | |||
| + | When using the connection as Figure 3, the BT [[shield]] connects to the | ||
| + | ATMega328 chip on board. | ||
| + | |||
| + | [[File:ITEAD BT SHIELD (MASTER SLAVE)3.jpg]] | ||
| + | |||
| + | When using the connection as Figure 4, the HC-05 connects with the | ||
| + | FT232RL chip, and the FT232RL connect to PC by USB. Whit this | ||
| + | configuration you can use the serial software on PC to control or | ||
| + | configure the HC-05 module. | ||
| + | |||
| + | [[File:ITEAD BT SHIELD (MASTER SLAVE)4.jpg]] | ||
| + | |||
| + | Except the 2 configurations above, you can connect the TXD and RXD | ||
| + | to any other pins from D4-D7, and using the software-serial library to | ||
| + | control the HC-05 module. | ||
| + | |||
| + | [[File:ITEAD BT SHIELD (MASTER SLAVE)5.jpg]] | ||
===Mode Switch=== | ===Mode Switch=== | ||
Revision as of 06:15, 22 May 2014
Contents
Overview
.jpg)
BT shield V2.2 is a serial port Bluetooth module (with master and slave mode) breakout board, it’s compatible with Arduino and IFlat-32, it can directly plug on Arduino/IFlat-32 board, use UART port for communication with Arduino/IFlat-32 or PC.
Specifications
| Microprocessor | CSR BC417 |
| PCB size | 53.3mm X 47mm X 1.6mm |
| Indicators | PWR,State |
| Power supply | 5V DC |
| IO | 6 |
| Communication Protocol | UART/Bluetooth 2.0 |
| RoSH | Yes |
Electrical Characteristics
| Specification | Min | Type | Max | Unit |
| Power Voltage | 4.5 | 5 | 5.5 | VDC |
| Input Voltage VH (Target Voltage = 3.3V) | 3 | 3.3 | 3.6 | VDC |
| Input Voltage VH (Target Voltage = 5V) | 4.5 | 5 | 5.5 | V |
| Input Voltage VL: | -0.3 | 0 | 0.5 | V |
| Current Consumption | - | 20 | 40 | mA |
Hardware
1.jpg)
UART Multiplexer (For free UART connection setting)
You can use the jumper to connect the TXD and RXD pins of HC-05 to D0, D1, D4~D7 pin of Arduino.
2.jpg)
When using the connection as Figure 3, the BT shield connects to the ATMega328 chip on board.
3.jpg)
When using the connection as Figure 4, the HC-05 connects with the FT232RL chip, and the FT232RL connect to PC by USB. Whit this configuration you can use the serial software on PC to control or configure the HC-05 module.
4.jpg)
Except the 2 configurations above, you can connect the TXD and RXD to any other pins from D4-D7, and using the software-serial library to control the HC-05 module.
5.jpg)
