# Robotic kit for Raspberry Pi **URL:** https://forum.sunfounder.com/c/robotic-kit-for-raspberry-pi/10.md?page=1 [Latest](https://forum.sunfounder.com/latest.md) · [Categories](https://forum.sunfounder.com/categories.md) · [Tags](https://forum.sunfounder.com/tags.md) **Page:** 2 --- ## [Errors running 14.voice\_promt\_car.py example program](https://forum.sunfounder.com/t/errors-running-14-voice-promt-car-py-example-program/4902)
**Author:** [@Will](https://forum.sunfounder.com/u/Will)\ **Replies:** 3\ **Last updated:** [August 4, 2026, 7:53am UTC](https://forum.sunfounder.com/t/errors-running-14-voice-promt-car-py-example-program/4902 "2026-08-04T07:53:27Z")
When I run 14.voice\_promt\_car.py, it seems to run alright as far as what the PiCAR-X is supposed to do (talks and moves like it should), but I get these error messages: 2026-08-01 11:20:45.663101555 \[W:onnxruntime:Defau… --- ## [Help needed with Pidog V2 servo calibration](https://forum.sunfounder.com/t/help-needed-with-pidog-v2-servo-calibration/4882)
**Author:** [@Toymaker](https://forum.sunfounder.com/u/Toymaker)\ **Replies:** 1\ **Last updated:** [July 27, 2026, 8:44am UTC](https://forum.sunfounder.com/t/help-needed-with-pidog-v2-servo-calibration/4882 "2026-07-27T08:44:27Z")
Hi Group, I am new here, I am having trouble calibrating the Pidog V2 servos - my problem is that the right hand box/window is too narrow to see the simple calibration graphic as can be seen in the middle box - can anyon… --- ## [Speaker not working on PiDog V2 with RobotHat+ 5](https://forum.sunfounder.com/t/speaker-not-working-on-pidog-v2-with-robothat-5/4880)
**Author:** [@ChaiLord](https://forum.sunfounder.com/u/ChaiLord)\ **Replies:** 3\ **Last updated:** [July 23, 2026, 9:46am UTC](https://forum.sunfounder.com/t/speaker-not-working-on-pidog-v2-with-robothat-5/4880 "2026-07-23T09:46:49Z")
I can’t seem to get the speaker to work on the pidog v2 with the robothat+ 5. I’ve followed the tutorial by running sudo bash i2samp.sh and running robot\_hat enable\_speaker, but I have not been able to get sound to work.… --- ## [Pidog raspberry P4](https://forum.sunfounder.com/t/pidog-raspberry-p4/4878)
**Author:** [@Seb](https://forum.sunfounder.com/u/Seb)\ **Replies:** 5\ **Last updated:** [July 20, 2026, 8:59am UTC](https://forum.sunfounder.com/t/pidog-raspberry-p4/4878 "2026-07-20T08:59:16Z")
Bonjour, J’ai acheté il y a quelques mois un Pidog avec une carte mère Raspberry P4 modèle B , j’ai flasher plusieurs carte SD pour le coup et le module est bien installé et quand je le mets sur le chien la led verte re… --- ## [Servo spare parts](https://forum.sunfounder.com/t/servo-spare-parts/4749)
**Author:** [@benedetto\_t](https://forum.sunfounder.com/u/benedetto_t)\ **Replies:** 3\ **Last updated:** [July 20, 2026, 8:25am UTC](https://forum.sunfounder.com/t/servo-spare-parts/4749 "2026-07-20T08:25:08Z")
Is it possible to purchase or find on Amazon spare servos for Pidog robot? After some month of use one got damaged and I moved it to the tail, now a second one stop working as well. I would like to replace them and buy … --- ## [Compatibility with Fusion Hat+ and Pidog hardware](https://forum.sunfounder.com/t/compatibility-with-fusion-hat-and-pidog-hardware/4875)
**Author:** [@Pigmin](https://forum.sunfounder.com/u/Pigmin)\ **Replies:** 1\ **Last updated:** [July 20, 2026, 8:00am UTC](https://forum.sunfounder.com/t/compatibility-with-fusion-hat-and-pidog-hardware/4875 "2026-07-20T08:00:11Z")
Would it be possible, with a few software adjustments, to use a Fusion HAT+ instead of a Robot HAT V5 on a PiDog? The boards look very similar, especially the 12 PWM servo ports and the digital/I²C connections. I’m just … --- ## [PiDog software update](https://forum.sunfounder.com/t/pidog-software-update/4854)
**Author:** [@MarkGVA](https://forum.sunfounder.com/u/MarkGVA)\ **Replies:** 1\ **Last updated:** [July 13, 2026, 8:03am UTC](https://forum.sunfounder.com/t/pidog-software-update/4854 "2026-07-13T08:03:50Z")
I have been using PiDog V1 for over a year and all was working fine until recently. After updating the Raspberry software, some of my apps (and the original demo files) don’t work anymore (issues with Rpi camera software… --- ## [Sunfounder Pi Car not working](https://forum.sunfounder.com/t/sunfounder-pi-car-not-working/4833)
**Author:** [@Yumna](https://forum.sunfounder.com/u/Yumna)\ **Replies:** 3\ **Last updated:** [July 3, 2026, 9:07am UTC](https://forum.sunfounder.com/t/sunfounder-pi-car-not-working/4833 "2026-07-03T09:07:13Z")
Hello! i have been working on a pi car x, it is the older version with the toggle switch instead of the usb c. The robot hat does not seem to turn on, i tried charging the battery, reinstalling all the code, checking the… --- ## [PiDog Left Rear Leg Shaking & Burning Smell from Speaker/Robot HAT](https://forum.sunfounder.com/t/pidog-left-rear-leg-shaking-burning-smell-from-speaker-robot-hat/4828)
**Author:** [@cjmick82](https://forum.sunfounder.com/u/cjmick82)\ **Replies:** 4\ **Last updated:** [July 1, 2026, 10:07am UTC](https://forum.sunfounder.com/t/pidog-left-rear-leg-shaking-burning-smell-from-speaker-robot-hat/4828 "2026-07-01T10:07:09Z")
Hello SunFounder Support, I am building the PiDog kit using a Raspberry Pi 3B+ and have run into a hardware failure involving a burning smell and a violent jitter. I need some assistance with troubleshooting or getting… --- ## [Compatibility with AI HAT](https://forum.sunfounder.com/t/compatibility-with-ai-hat/4830)
**Author:** [@Pigmin](https://forum.sunfounder.com/u/Pigmin)\ **Replies:** 1\ **Last updated:** [July 1, 2026, 10:04am UTC](https://forum.sunfounder.com/t/compatibility-with-ai-hat/4830 "2026-07-01T10:04:17Z")
Hi, just a quick question about the PiDog, specifically the Robot HAT v5: is it compatible with a Hailo-8L / Hailo-8 HAT installation? Can both HATs be installed at the same time? I suspect that even if it is technicall… --- ## [RaspberryPi 4 will not start when Robot HAT+ is attached](https://forum.sunfounder.com/t/raspberrypi-4-will-not-start-when-robot-hat-is-attached/4817)
**Author:** [@maddog](https://forum.sunfounder.com/u/maddog)\ **Replies:** 9\ **Last updated:** [June 29, 2026, 1:48pm UTC](https://forum.sunfounder.com/t/raspberrypi-4-will-not-start-when-robot-hat-is-attached/4817 "2026-06-29T13:48:40Z")
Completed step 11 and was letting the battery charge as directed. Began assembling servos. After some time I noticed the raspberry and the hat had gone dark. There was no signal to the monitor. I cycled power and not… --- ## [Bug in robot\_hat get\_battery\_voltage() — NameError: '\_adc\_obj' is not defined](https://forum.sunfounder.com/t/bug-in-robot-hat-get-battery-voltage-nameerror-adc-obj-is-not-defined/4820)
**Author:** [@Pigmin](https://forum.sunfounder.com/u/Pigmin)\ **Replies:** 1\ **Last updated:** [June 29, 2026, 10:17am UTC](https://forum.sunfounder.com/t/bug-in-robot-hat-get-battery-voltage-nameerror-adc-obj-is-not-defined/4820 "2026-06-29T10:17:24Z")
Hi, I think I found a small bug in the robot-hat library (PiDog V2, Robot HAT V5, Raspberry Pi 5, Python 3.13). Calling get\_battery\_voltage() raises on every call: NameError: name '\_adc\_obj' is not defined File ".../… --- ## [Compatibilité du Adeept Pi Car-B avec le Pi5](https://forum.sunfounder.com/t/compatibilite-du-adeept-pi-car-b-avec-le-pi5/4821)
**Author:** [@Yves](https://forum.sunfounder.com/u/Yves)\ **Replies:** 1\ **Last updated:** [June 29, 2026, 9:57am UTC](https://forum.sunfounder.com/t/compatibilite-du-adeept-pi-car-b-avec-le-pi5/4821 "2026-06-29T09:57:46Z")
Difficultés à importer certains modules depuis Thonny --- ## [Pidog "stopping" servos completely](https://forum.sunfounder.com/t/pidog-stopping-servos-completely/4818)
**Author:** [@Pigmin](https://forum.sunfounder.com/u/Pigmin)\ **Replies:** 3\ **Last updated:** [June 29, 2026, 9:20am UTC](https://forum.sunfounder.com/t/pidog-stopping-servos-completely/4818 "2026-06-29T09:20:13Z")
Hi, is it possible (and safe) to stop the servos (maybe send 0 the PWM PWM.pulse\_width(0) ) ? And if it works, is there a wakeup procedure ? I’m trying to make a battery safe mode and stop some hardware. By the way, … --- ## [Bad Angles on ONE Side](https://forum.sunfounder.com/t/bad-angles-on-one-side/4809)
**Author:** [@SciWorkFlow](https://forum.sunfounder.com/u/SciWorkFlow)\ **Replies:** 1\ **Last updated:** [June 22, 2026, 10:31am UTC](https://forum.sunfounder.com/t/bad-angles-on-one-side/4809 "2026-06-22T10:31:02Z")
I have tried everything!!! I want a new kit. I want a new dog! I have tried and tried. It is full assembled and ready to go….but every time I run calibration….one side goes to 120degrees instead of 60!!! This was the… --- ## [Pico-4wd-v2 replacement batteries?](https://forum.sunfounder.com/t/pico-4wd-v2-replacement-batteries/4813)
**Author:** [@pippino](https://forum.sunfounder.com/u/pippino)\ **Replies:** 1\ **Last updated:** [June 22, 2026, 8:28am UTC](https://forum.sunfounder.com/t/pico-4wd-v2-replacement-batteries/4813 "2026-06-22T08:28:58Z")
Hi, I own a SunFounder Pico-4wd-v2 which is great fun. I haven’t used it in a while and when I picked it up again the other day, it doesn’t seem to hold charge anymore: if I charge it the led stays constant red even aft… --- ## [Softer wheels for PiCar-X?](https://forum.sunfounder.com/t/softer-wheels-for-picar-x/3089)
**Author:** [@BrunoX](https://forum.sunfounder.com/u/BrunoX)\ **Replies:** 10\ **Last updated:** [June 18, 2026, 4:13pm UTC](https://forum.sunfounder.com/t/softer-wheels-for-picar-x/3089 "2026-06-18T16:13:44Z")
Is there an alternative for PiCar-X’s wheels that have softer “rubber” that would give it more traction? I’m particularly interested in the rear (motor driven) wheels. --- ## [Robot rvr pas de wifi](https://forum.sunfounder.com/t/robot-rvr-pas-de-wifi/4787)
**Author:** [@jean](https://forum.sunfounder.com/u/jean)\ **Replies:** 7\ **Last updated:** [June 18, 2026, 2:37am UTC](https://forum.sunfounder.com/t/robot-rvr-pas-de-wifi/4787 "2026-06-18T02:37:04Z")
Bonjour. J ai récemment changer de box internet. Suite à ce changement j ai voulu télécharger le firmeware pour changer le ssid et le mot de passe de ma box sur le fimware.. Mais depuis mon robot rvr ne diffuse plus de … --- ## [Ultrasonic sensor](https://forum.sunfounder.com/t/ultrasonic-sensor/4783)
**Author:** [@fcanducci](https://forum.sunfounder.com/u/fcanducci)\ **Replies:** 6\ **Last updated:** [June 12, 2026, 10:06am UTC](https://forum.sunfounder.com/t/ultrasonic-sensor/4783 "2026-06-12T10:06:55Z")
Good evening, I’m testing Pidog by running the robot-hat/examples/ultasonic script. It works, and it shows me various distances. Running Pidog/examples/3-patrol.py always gives me -1 as the distance. The touch sensor alw… --- ## [EzBlock use wit Raspberry Pi5 and Picrawler](https://forum.sunfounder.com/t/ezblock-use-wit-raspberry-pi5-and-picrawler/4790)
**Author:** [@levstto1](https://forum.sunfounder.com/u/levstto1)\ **Replies:** 1\ **Last updated:** [June 10, 2026, 8:01am UTC](https://forum.sunfounder.com/t/ezblock-use-wit-raspberry-pi5-and-picrawler/4790 "2026-06-10T08:01:20Z")
Hi. Is there any update on compatibility of EzBlock with Raspberry Pi5. I am trying to connect Picrawler /Rpi5, however connection is failing / not available. Any plans for that? --- ## [Pidog almost incredibly slow](https://forum.sunfounder.com/t/pidog-almost-incredibly-slow/4750)
**Author:** [@benedetto\_t](https://forum.sunfounder.com/u/benedetto_t)\ **Replies:** 3\ **Last updated:** [June 9, 2026, 1:14am UTC](https://forum.sunfounder.com/t/pidog-almost-incredibly-slow/4750 "2026-06-09T01:14:22Z")
We have been using Pidog for a while and we were happy with the product. Following a raspberry upgrade we found that every time Pidog python scripts are started the raspberry became extraordinary slow, the ssh connectio… --- ## [Installation of picrawler - problem](https://forum.sunfounder.com/t/installation-of-picrawler-problem/4745)
**Author:** [@levstto1](https://forum.sunfounder.com/u/levstto1)\ **Replies:** 2\ **Last updated:** [June 4, 2026, 7:27pm UTC](https://forum.sunfounder.com/t/installation-of-picrawler-problem/4745 "2026-06-04T19:27:36Z")
Hello. I am following instructions to install modules required for running Picrawler After cloning of picrawler.git I am not able to run sudo python3 setup.py install. . can’t open file ‘/home/pi/picrawler/setup.py’: … --- ## [Cant install vilib for Picar-x on a new Raspberry Pi 5. (Python 3.13)](https://forum.sunfounder.com/t/cant-install-vilib-for-picar-x-on-a-new-raspberry-pi-5-python-3-13/4698)
**Author:** [@Petzy](https://forum.sunfounder.com/u/Petzy)\ **Replies:** 7\ **Last updated:** [June 4, 2026, 9:50am UTC](https://forum.sunfounder.com/t/cant-install-vilib-for-picar-x-on-a-new-raspberry-pi-5-python-3-13/4698 "2026-06-04T09:50:21Z")
Hi, I have a new raspberry Pi 5 that comes with Python 3.13. and a Picar-X I try to follow the instructions for installing the software for the Picar-x but when I come to vilib it fails. (It says it only supports pytho… --- ## [PIDOG servos not working](https://forum.sunfounder.com/t/pidog-servos-not-working/4687)
**Author:** [@fcanducci](https://forum.sunfounder.com/u/fcanducci)\ **Replies:** 3\ **Last updated:** [June 1, 2026, 9:30am UTC](https://forum.sunfounder.com/t/pidog-servos-not-working/4687 "2026-06-01T09:30:04Z")
Good evening, I assembled the PIDOG. At first, it seemed to work. By running servo\_zeroing, the servos would zero out. Unfortunately, this only worked a few times, and then the servos stopped moving. I changed the Rasp… --- ## [Pidog Leg Assembly Process/possible Servo issues?](https://forum.sunfounder.com/t/pidog-leg-assembly-process-possible-servo-issues/4680)
**Author:** [@Scout](https://forum.sunfounder.com/u/Scout)\ **Replies:** 1\ **Last updated:** [May 27, 2026, 8:49am UTC](https://forum.sunfounder.com/t/pidog-leg-assembly-process-possible-servo-issues/4680 "2026-05-27T08:49:36Z")
I am in the process of assembling Pidog V2. At Step 44, when powering on, the legs go at a strange angle. One leg sticks up somewhat. Another appears to almost stand up. I disassembled all of the legs and painstakin… --- ## [Picar-X: Camera closes after capturing one frame](https://forum.sunfounder.com/t/picar-x-camera-closes-after-capturing-one-frame/3812)
**Author:** [@jalcumb](https://forum.sunfounder.com/u/jalcumb)\ **Replies:** 8\ **Last updated:** [May 21, 2026, 9:16am UTC](https://forum.sunfounder.com/t/picar-x-camera-closes-after-capturing-one-frame/3812 "2026-05-21T09:16:22Z")
I have been going through the project for the picar-x on the website and everything works well until #7. Computer Vision. When I run it, it captures 1 frame and then the camera automatically closes. The program doesn’t e… --- ## [Mobile App cannot connect over Bluetooth](https://forum.sunfounder.com/t/mobile-app-cannot-connect-over-bluetooth/2782)
**Author:** [@fabiobeoni](https://forum.sunfounder.com/u/fabiobeoni)\ **Replies:** 5\ **Last updated:** [May 19, 2026, 10:05am UTC](https://forum.sunfounder.com/t/mobile-app-cannot-connect-over-bluetooth/2782 "2026-05-19T10:05:30Z")
Hi guys, first of all let me thank you for this nice product (PiCrawler). My son programs it using the EZ Blocks visual block programming, it works fine from my Ubuntu laptop to the PiCrawler powered by Raspberry Pi 4B… --- ## [Wheels won't turn](https://forum.sunfounder.com/t/wheels-wont-turn/4628)
**Author:** [@ashishjain](https://forum.sunfounder.com/u/ashishjain)\ **Replies:** 3\ **Last updated:** [May 14, 2026, 9:49am UTC](https://forum.sunfounder.com/t/wheels-wont-turn/4628 "2026-05-14T09:49:25Z")
My new Raspberry Pi-Car Steering was working well until it had stopped working. When I use my Raspberry Pi on the Keyboard control, it doesn’t work, and when I try to calibrate it, it makes some noise, moves directly to … --- ## [Which Raspberry for PiCar X](https://forum.sunfounder.com/t/which-raspberry-for-picar-x/4637)
**Author:** [@Robi](https://forum.sunfounder.com/u/Robi)\ **Replies:** 3\ **Last updated:** [May 12, 2026, 6:15am UTC](https://forum.sunfounder.com/t/which-raspberry-for-picar-x/4637 "2026-05-12T06:15:52Z")
Hi, I would like to buy the Picar X. Want to use it for learning about autonomous driving and using of LLMs in robotics. Unfortunately, it is not possible to purchase the Picar including a Raspberry, so I will need to … --- ## [URDF for pidog?](https://forum.sunfounder.com/t/urdf-for-pidog/2912)
**Author:** [@Spf650](https://forum.sunfounder.com/u/Spf650)\ **Replies:** 2\ **Last updated:** [May 7, 2026, 7:25am UTC](https://forum.sunfounder.com/t/urdf-for-pidog/2912 "2026-05-07T07:25:27Z")
Hi After a brief hiatus from robotic software, mainly due to astronomy season, I have a few new ideas that I’d like to try out. As I already have ROS2/RVIZ platforms running on pidog, I’d like to develop my next code i… [Previous page](https://forum.sunfounder.com/c/robotic-kit-for-raspberry-pi/10.md) [Next page](https://forum.sunfounder.com/c/robotic-kit-for-raspberry-pi/10.md?page=2)