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 | 1 | initial version |
I solved this by giving up on the circuit I saw on Flicker, and substituting a Freeduino USB bib to do the conversion between USB and the TTL level signals used by the ROOMBA. only three wires are needed - TXD, RXD, and GND. I did not use the Signal labled DD from the Roomba - I think this is used for changing the baud rate and needs a special signal to do that.
This leads to a thought, perhaps the entire Freeduino could be used and aqditional sensors like a Gyro chip can be wired in. I am not sure how Turtlebot EU folks add the gyro.
| | 2 | Project completed ans is now working. |
I solved this by giving up on the circuit I saw on Flicker, and substituting a Freeduino USB bib to do the conversion between USB and the TTL level signals used by the ROOMBA. only three wires are needed - TXD, RXD, and GND. I did not use the Signal labled DD from the Roomba - I think this is used for changing the baud rate and needs a special signal to do that.
This leads to a thought, perhaps the entire Freeduino could be used and aqditional sensors like a Gyro chip can be wired in. I am not sure how Turtlebot EU folks add the gyro.
On My Youtube cahnnel I have clips of my turtlebot in operation.
I also have a servo magazine article in press
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