Robotics for Everyone
10 hours ago
Unable to push in servos
6 days ago
Error 287, 288
My DIY 3D Printable version of Nybble on Thingiverse
Discussion, maintenance, and community building!
Create New Post
I have a couple of international customers reporting difficulties when getting their package from local post office. But even in the same country the process turned out to be different. I'd like to kn
5 days ago
Hi all, I try to put my FanCat into operation with the Shoulder Rolls. In opencat.h there is #define WALKING_DOF 8 which I changed to 12. A first test led to my FanCat fidgeting uncontrollably. Are t
Charger + Li-ion batteries unprotected.
Most smart chargers do not seem to be recommended for extremely discharged (zero volt) type Li-ion protected batteries. These batteries can potentially cause a fire or explosion. What precautions d
update on shipping?
please could you advise: what is the issue with courier? thank you!
Unpredicted servo movement
I tested the write instinct and the nybble scotch and calibrated all the servo's. this was all successful. But when using the communication protocol I can only sent one command e.g. sit and nybble wil
My servomotors doesn't respond
When I type on the serial monitor ex: c0 5; or c1 3 or c4 2, .... none servo motor responds. I specify that the testInfraredRemote is ok and that I have a 18650 battery and the jumper on sw3 is posed
having trouble with sketch upload.
I get error C:\Users\Patrick\Documents\petoi\OpenCat-master\OpenCat-master\Nybble\Nybble.ino: In function 'void setup()': Nybble:323:21: error: 'class MPU6050' has no member named 'dmpInitialize'
Explanations on the relationship between Petoi, OpenCat and Nybble.
There are so many names around the OpenCat project so it may be confusing to you. OpenCat is the project I've been working on since 2016 summer. I've pictured its future as a platform and communit
5 days ago
Battery Check/A Few General Queries:
Hey! I'm going to be getting a Nybble in the new year, possibly two, so please note I haven't yet got the actual bot in hand :-) Sorry in apologies for the litany of questions, I've been looking/resea
Добрый день, я из России, сервомоторы моего кота очень сильно дергаються это как-то можно исправить?
Wéiqí 圍棋 排子
Do we have a team? I like to play on GoQuest as quixote, are there other players here? in Japan 囲碁 Go or igo in Korea 바둑 baduk
Hello Mr. Rongzhong Li, What made you favor plywood for the Nybble framework? Have you thought about PMMA (plexiglass) or PVC?
my cat died after 10min with buzzer alert
Hi everyone, I finished my cat yesterday, did all the calibration with writeinstinct.ino and loaded Nybble.ino successfully afterwards. my cat was able to walk, sit, rest, crawl... but after about 10m
Continuous sound from the buzzer
I crack :-) When I play nybble.ino I hear a continuous sound from the buzzer?
3 days ago
Error 287, 288
Hi all, After calibration I uploaded Nubble.ico and getting error 288...287 and loud sound beep, when I take out usb adapter beep sound is end but when I press button to walk Cat turn off. battery i
Simulator for nybble
hi, wonderful I saw on youtube the simulator for nybble, because it does not publish the software, my kitten and I would be very happy to be able to experiment with new frames. https://www.youtube.com
3 servos per leg ?
Just curious question, is cat version 5 and 6 in this video https://www.youtube.com/watch?time_continue=87&v=iGEdF5QsDB8 using 3 servos per leg, or third part of leg is connected only using link ? T
September shipping date?
Rongzhong Li is there an expected shipping date? ie 7th September, or perhaps slippage ie October... thanks
Models servo arms MG90D , MG92B.
Hello everyone, Would you have the models of servo arms in dxf or ai format? thank you in advance.
hi I was so much inspired by your project and decided to make one myself I 3d printed the parts I followed wiring diagram given below similar to your's I used ardiuno uno instead of nano,and a lab be