| TELEPHONE LINES | Unfortunately due to the level of orders we are currently experiencing, we aren't always able to answer calls. If your query is urgent, please do leave a message or email sales@hobbycomponents.com and we will get back to you as soon as we are able. |
|
ROYAL MAIL STRIKES We will be unable to dispatch orders on the following days due to Royal Mail's plans to strike. For this reason we will be closed on these dates. Any orders placed over these days will be dispatched promptly the day (or days) after the strike but may be subject to delivery delays. We apologise for any inconvenience. November 24th and 25th November 30th December 1st, 9th & 11th |
New products
New products
JY-MCU Bluetooth Wireless Serial Port Module (slave)
HCARDU0004
JY-MCU Arduino Bluetooth Wireless Serial Port Module (Slave)
JY-MCU Arduino Bluetooth Wireless Serial Port Module. These modules are available in master (HCARDU0064) and slave (HCARDU0004) versions. Please see FAQ section on our support forum here before purchasing one of these modules.
Default password: 1234
Baud rate: 9600
Dimensions: 1.73 in x 0.63 in x 0.28 in (4.4 cm x 1.6 cm x 0.7 cm)
PINOUT
1.....VCC
2.....GND
3.....TXD
4.....RXD
AT Commands:
Module must be disconnected (Led flashing) to issue AT commands.
Communication Test :
Send: AT
Response: OK
Change Baud Rate:
Send: AT+BAUD<b>
<b>......Baud
1......1200
2......2400
3......4800
4......9600
5......19200
6......38400
7......57600
8......115200
E.g.
Send: AT+BAUD7
Response: OK57600
Change Bluetooth Device Name:
Send: AT+NAME<devicename>
E.g.
Send: AT+NAMEHobbComp
Response: OKHobbyComp
Change Pincode:
Send : AT+PINxxxx
Response: OKsetpin
Example code and manual available on our support forum here.
HCARDU0004
Specific References
JY-MCU Arduino Bluetooth Wireless Serial Port Module (Slave)