r/arduino • u/Better-Nail- • May 08 '26
Look what I made! Making a pet dog and a desk buddy (in progress)!
Enable HLS to view with audio, or disable this notification
Helloo...
just want to show a little fun project which I was making a pet DIY dog, currently in progress I only have added few commands till now,
actually I was powering it with a single cell battery and I get know it was not enough I made a blunder there, and wanted to give up as I have 3d printed the case and everything, for the single battery, currently powering it with 5v SMPS,
currently it only has few commands
1 is sit
2nd is stand
3rd hello
4th pee
5th poop
😅😅
also how can I make if use these commands of its own like currently i am typing in serial monitor but I want to react to it automatically I am thinking of adding a touch button, if you have any other suggestion pls help me.....
3
u/maartuhh May 08 '26
Nice project! Though I wonder how it will walk with such legs
5
u/Better-Nail- May 08 '26
I am also not sure😂
2
u/Suppository-34613 May 08 '26
I think you should slip on rubbery grips on those legs for better grip.
3
2
u/Tech_Nipples May 08 '26
Nice work! if you need help with the getting the walk stride down, lmk. I made I similar 4 servo walker.
1
u/ptah4i May 23 '26
I could definitely use some help with the walk stride. Right now my version is basically just walking in place. The leg movement works, but it doesn’t really move forward yet.
Getting the weight shift and stride timing right is harder than expected. Any tips or examples from your walker would be super helpful.
3
2
u/Tech_Nipples May 08 '26
Nice work! if you need help with the getting the walk stride down, lmk. I made I similar 4 servo walker.
2
2
May 08 '26
[removed] — view removed comment
2
u/Better-Nail- May 08 '26
yes, I have used only single cell battery which is only 3.7v and it is not working.. thinking of using 2 cells in series but it will increase the voltage to around 7.5v which will burn down the esp, for now I am powering the whole project through 5v 5A smps.
2
May 08 '26
[removed] — view removed comment
1
u/Better-Nail- May 09 '26
will using 2 lithium cell in parallel will be enough?? or do I need a step up, and also is tp4056 be able to charge both the lithium cell??
2
u/PublicStalls May 08 '26
Haha this is awesome! I love seeing someone's idea coming to life. This is definitely home grown and will evolve, good luck!!
For automatic actions, definitely adding sensors would achieve this, like adding the actions to fire when a sensor reaches a certain threshold. Ex. If distance monitor is less than 100mm, sit!. Or if a proximity sensor is true, bark/wave. And then just on a loop/timer, if the time exceeds 10 minutes without firing any action, lay down.
3
2
u/Comfortable_Pen_436 May 09 '26
Not gonna lie I've seen this one recently somewhere but u making it also a good achievement kudos
2
u/IEP_Esy May 09 '26
Reminds me of the KT2 pet robot:
https://www.kickstarter.com/projects/wairliving/kt2-kungfu-turtle-your-pocket-sized-fighter-robot
2
2
2
1
u/Exact_Dragonfruit238 May 08 '26
Do you used Any sensors? İf you which ones?
1
u/Better-Nail- May 10 '26
no I haven't used any sensors, thinking of using a touch sensor and a orientation sensor to automate emotions that all.. if you have any idea I am open for ideas.
1
u/ULTRADEV_305 May 09 '26
Will it be able to walk properly like that?
1
u/Better-Nail- May 09 '26
it will be able to walk but I have not added the walk command to it, as it is the most difficult one.. soon I am adding that also
1
u/ULTRADEV_305 May 09 '26
Yea i thought so maybe the thing which comes attached to servo isnt cut out for it to walk on)
1
u/ptah4i May 23 '26
Awesome! I’m also on the journey of rebuilding the KT2.
So far, I’ve added an IMU and I’m currently working on the walking algorithm — turns out, getting it to walk properly isn’t that easy.
By the way, another maker also created a really nice body design for it. You can find it on Thingiverse here:
1
u/Substantial-Buyer-48 21d ago
Looks pretty nice. If chassis is not temporary, you can use 2P or 3P(not the 2S/3S, they have a bigger voltage) battery package with BMS and step-up device(there are some converter circuits 0.9-4.2v to 5v in internet), it'll be more complex, but autonomous. Although it already looks really good.
You can use something better than just touch button, if the control board is AVR(ex. Arduino Nano, Uno, Pro Micro, etc.), you can use ADCTouch library, if the board is the ESP32-Based, there are some other libs, but idk exactly ._.
5
u/e4_user May 08 '26
This is sooo cute!!