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Charlie Fifield
Aug 10, 2019
In Software
Hi Rongzhong,, Glad to have Nyb walking now. Used calibration adjustments to fix the problem with it's feet interfering with each other. I have a question: What are parameters "A" and "B" in the code sample I've pasted here? I understand that the first parameter is the number of "steps" in a gait or posture, but what are the functions of the second and third parameters ? Thanx, Charlie
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Charlie Fifield
Jul 07, 2019
In Clinic
Hi I wonder if I missed something installing the software ? (Finally got the calibration done.) Nybble responds to inputs from the Arduino IDE, (It sits, balances, trots... Well OK tries to but the table is short. ) but does not respond to the IR remote. Any suggestions ?
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Charlie Fifield
Jul 05, 2019
In Clinic
Hi My issue is probably something simple, but when I attempt to compile (verify) (w/o the board connected) the WriteInstinct code, I receive the error message: "D:\Arduino\arduino-1.8.9-windows\arduino-1.8.9\libraries\I2Cdev\msp430_i2c.c:14:17: fatal error: i2c.h: No such file or directory...compilation terminated. " Notice that the compiler is looking for "i2c.h", not "i2cdev.h". Is there an Arduino or other library that I am supposed to download that I have missed ? I downloaded the files specified in the Assembly instructions (I'm pretty sure). Help will be greatly appreciated.
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Charlie Fifield
Jun 20, 2019
In Clinic
Hi thought that I'd share this. It was difficult for me to bend the connector for the "FTDI friend". I , also wanted the option of using Nybble with a Raspberry Pi, so I made the connector pendant. First carefully cut the connector legs about in the middle.(Flush cutters worked fine) I then cut, stripped and tinned the ends of some very flexible stranded wire. Then I soldered one stripped end to each of the cut pins still on the board. (I used different colored wire but you don't have to). The solder joints are covered with heat shrink tubing. The other end of each wire was trimmed so that they were all the same length and soldered to the corresponding pin on the connector. The wires are about 4 cm long. Don't forget to put the heat shrink tubing for the connector end onto the wire before you solder on the connector. I suggest wire with silicone insulation as it is easy to work with. If you use a butane lighter to shrink the heat shrink tubing, be careful so that you don't heat the board or components on it and don't overheat (burn) the tubing or the insulation on your wires. Sorry the photo isn't great, but you get the idea. (Note it is also possible to remove the connector pins from the board entirely and solder your wires directly into the board.(I thought using the pins was less risky). It just occurred to me that if you have ribbon cable with the correct spacing that could be used instead of the individual wires.
Easier Connection to FTDI content media
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Charlie Fifield

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