You are here: start » interfaces » bt0417c

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
Next revision 		Previous revision
Last revision Both sides next revision
interfaces:bt0417c [2023/12/05 12:33]
darron [Linux] 		interfaces:bt0417c [2023/12/15 07:35]
darron [Windows]
Line 5: Line 5:
 \\ \\ \\ \\
 {{:interfaces:btload.jpg?200}} {{:interfaces:btload.jpg?200}}
 +\\ \\
 +{{:interfaces:bt0417c-rev.jpg?200}}
 </wrap> </wrap>
  
 This is a low cost bluetooth module that may or may not come on a base board. There are a number of variations and here we have the one known as the HC-05. This can be configured as a bluetooth master or slave and appears to be the most popular and versatile. This is a low cost bluetooth module that may or may not come on a base board. There are a number of variations and here we have the one known as the HC-05. This can be configured as a bluetooth master or slave and appears to be the most popular and versatile.
  
-The module is comprised of a CSR BC417 radio and an MX29LV800 flash chip.+The module is comprised of a CSR BC417 radio which supports BT 2.0+EDR and an MX29LV800 flash chip. 
 + 
 +This module has been verified to work with the RPi 400 and its internal BT 5.0 BLE interface using the legacy mode rfcomm interface.
 === Pinout === === Pinout ===
 My module came on a board with the following layout. There are at least two other board variations which don't apply here. My module came on a board with the following layout. There are at least two other board variations which don't apply here.
Line 106: Line 110:
 __btkrn__ __btkrn__
  
-For Pi4, BT can be enabled in /boot/config.txt and btattach (above) is not needed.+Alternatively to the above, BT can be enabled in /boot/config.txt so btattach is not needed.
  
 <code> <code>
Line 117: Line 121:
  
 == Bluez 4 == == Bluez 4 ==
 +
 +__hciconfig__
  
 <code> <code>
Line 157: Line 163:
 [DEL] Controller 00:11:67:5A:96:F3 BlueZ 5.27 [default] [DEL] Controller 00:11:67:5A:96:F3 BlueZ 5.27 [default]
 </code> </code>
 +
 +== RFCOMM ==
  
 Talk to module via virtual serial port. Talk to module via virtual serial port.
Line 163: Line 171:
 sdptool add --channel=666 SP sdptool add --channel=666 SP
 rfcomm bind rfcomm0 98:D3:31:50:19:9C rfcomm bind rfcomm0 98:D3:31:50:19:9C
-screen /dev/rfcomm0 9600+picocom /dev/rfcomm0
 </code> </code>
 +
 +===Windows====
 +
 +<wrap right>
 +{{:interfaces:rfcom.jpg?200|Intel BT 5.2}}
 +</wrap>
 +
 +Under windows 10 scan for the device, click connect and enter the pass code.
 +
 +A COM port will be added for the module which acts just like a regular hardware
 +com port.
 === Resources === === Resources ===