# Robotic kit for Raspberry Pi

**URL:** https://forum.sunfounder.com/c/robotic-kit-for-raspberry-pi/10.md?page=3

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**Page:** 4

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## [Robot HAT audio failure – DAC detected but no sound ](https://forum.sunfounder.com/t/robot-hat-audio-failure-dac-detected-but-no-sound/4339)

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**Author:** [@jmcaneda](https://forum.sunfounder.com/u/jmcaneda)\
**Replies:** 4\
**Last updated:** [February 6, 2026, 1:08pm UTC](https://forum.sunfounder.com/t/robot-hat-audio-failure-dac-detected-but-no-sound/4339 "2026-02-06T13:08:57Z")

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Hello, I am having a persistent audio issue with my PiCar‑X. After completing all the recommended steps, I can confirm that the problem is not related to software, configuration, or the Raspberry Pi itself. The DAC is d…

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## [Raspberry Pi Won't Boot with PiCar-x Hat Installed](https://forum.sunfounder.com/t/raspberry-pi-wont-boot-with-picar-x-hat-installed/4329)

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**Author:** [@kenr](https://forum.sunfounder.com/u/kenr)\
**Replies:** 3\
**Last updated:** [February 3, 2026, 5:59am UTC](https://forum.sunfounder.com/t/raspberry-pi-wont-boot-with-picar-x-hat-installed/4329 "2026-02-03T05:59:08Z")

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Hello, I recently bought a PiCar-X kit and was able to get everything working. I then ran a piece of code to set the steering servo angle to 45 degrees, and then the PiCar stopped working. Now I am unable to get the Ras…

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## [ImportError: cannot import name 'espeakbridge' from 'piper'](https://forum.sunfounder.com/t/importerror-cannot-import-name-espeakbridge-from-piper/4331)

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**Author:** [@ZeroHypotheses](https://forum.sunfounder.com/u/ZeroHypotheses)\
**Replies:** 1\
**Last updated:** [February 2, 2026, 6:59am UTC](https://forum.sunfounder.com/t/importerror-cannot-import-name-espeakbridge-from-piper/4331 "2026-02-02T06:59:23Z")

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Hi everyone, I recently setup my PicarX following the instructions online. However, when I try to run the example for testing Piper (see 15. AI Storytelling Robot with Piper and OpenAI — SunFounder PiCar-X Kit documentat…

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## [Closing program](https://forum.sunfounder.com/t/closing-program/4311)

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**Author:** [@luigi\_fe](https://forum.sunfounder.com/u/luigi_fe)\
**Replies:** 7\
**Last updated:** [January 29, 2026, 6:48am UTC](https://forum.sunfounder.com/t/closing-program/4311 "2026-01-29T06:48:42Z")

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If I close a program as examples of PiDog \[ eg: Pidog.close() \] I have PiDog blocked and I cannot run another script. I must turn off my Dog and then I can start again. Some suggestion? Thank you!

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## [Problems taking photos and videos with Picar-x](https://forum.sunfounder.com/t/problems-taking-photos-and-videos-with-picar-x/4315)

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**Author:** [@davidtibbit](https://forum.sunfounder.com/u/davidtibbit)\
**Replies:** 2\
**Last updated:** [January 28, 2026, 8:58am UTC](https://forum.sunfounder.com/t/problems-taking-photos-and-videos-with-picar-x/4315 "2026-01-28T08:58:40Z")

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When I follow the examples “Playing with Python” for the picar-x, none of the examples involving the camera work properly. For example, in Example 7, Computer Vision, the camera takes and saves a very fuzzy photo. When …

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## [External Power Switch for Fusion Hat+](https://forum.sunfounder.com/t/external-power-switch-for-fusion-hat/4312)

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**Author:** [@jhthurber](https://forum.sunfounder.com/u/jhthurber)\
**Replies:** 1\
**Last updated:** [January 28, 2026, 6:58am UTC](https://forum.sunfounder.com/t/external-power-switch-for-fusion-hat/4312 "2026-01-28T06:58:53Z")

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Has anyone added an external power switch for the fusion hat+? It is inconvenient to have to reach into an enclosed space to turn it on. Thanks in advance!

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## [Picar-x and installing vilib](https://forum.sunfounder.com/t/picar-x-and-installing-vilib/4313)

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**Author:** [@davidtibbit](https://forum.sunfounder.com/u/davidtibbit)\
**Replies:** 1\
**Last updated:** [January 27, 2026, 5:51pm UTC](https://forum.sunfounder.com/t/picar-x-and-installing-vilib/4313 "2026-01-27T17:51:53Z")

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My picar-x will not install vilib properly. Apparently this is because it runs on raspberry pi5 “Bookshelf” which does not allow pip installs. What is the solution? Has anyone else met this problem and hot a work around? …

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## [Pi Car X vilib color detection, how to make it detect several colours at once instead of just one at a time](https://forum.sunfounder.com/t/pi-car-x-vilib-color-detection-how-to-make-it-detect-several-colours-at-once-instead-of-just-one-at-a-time/4308)

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**Author:** [@uwu](https://forum.sunfounder.com/u/uwu)\
**Replies:** 1\
**Last updated:** [January 27, 2026, 6:05am UTC](https://forum.sunfounder.com/t/pi-car-x-vilib-color-detection-how-to-make-it-detect-several-colours-at-once-instead-of-just-one-at-a-time/4308 "2026-01-27T06:05:50Z")

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Hello everynyan! Im new to programming, I am working on my finals schoolproject and I met a specific issue that im trying to solve. My question is in the title. I read the vilib documentation and vilib apparently only …

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## [Pi-Car-X No sound after reset](https://forum.sunfounder.com/t/pi-car-x-no-sound-after-reset/4306)

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**Author:** [@saviourn](https://forum.sunfounder.com/u/saviourn)\
**Replies:** 3\
**Last updated:** [January 27, 2026, 3:32am UTC](https://forum.sunfounder.com/t/pi-car-x-no-sound-after-reset/4306 "2026-01-27T03:32:53Z")

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Hi I am helping my son to code Pi-Car-X, and we are having issues with speaker. After installing i2samp.sh script speaker works and we can hear Front Right (not Front Left), however after doing the reset there is no so…

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## [Switching from Piper TTS to OpenAI TTS](https://forum.sunfounder.com/t/switching-from-piper-tts-to-openai-tts/4305)

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**Author:** [@ryanpz](https://forum.sunfounder.com/u/ryanpz)\
**Replies:** 1\
**Last updated:** [January 25, 2026, 10:36am UTC](https://forum.sunfounder.com/t/switching-from-piper-tts-to-openai-tts/4305 "2026-01-25T10:36:03Z")

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Trying to modify “/home/pidog/pidog/examples/20\_voice\_active\_dog\_gpt.py” from TTS\_MODEL = "en\_US-ryan-low" to TTS\_MODEL = "gpt-4o-mini-tts" but getting this error: Traceback (most recent call last): File “/usr/lib/…

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## [Servos will not zero](https://forum.sunfounder.com/t/servos-will-not-zero/4294)

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**Author:** [@igiveshots](https://forum.sunfounder.com/u/igiveshots)\
**Replies:** 2\
**Last updated:** [January 22, 2026, 6:04pm UTC](https://forum.sunfounder.com/t/servos-will-not-zero/4294 "2026-01-22T18:04:24Z")

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I cannot zero servos. I am building alongside another builder and his zero button is working, mine does nothing. This is a pidog 2.0

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## [RaspberryPi 5 Not Detecting Camera of PiCar-X](https://forum.sunfounder.com/t/raspberrypi-5-not-detecting-camera-of-picar-x/4298)

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**Author:** [@quarry](https://forum.sunfounder.com/u/quarry)\
**Replies:** 1\
**Last updated:** [January 21, 2026, 10:11pm UTC](https://forum.sunfounder.com/t/raspberrypi-5-not-detecting-camera-of-picar-x/4298 "2026-01-21T22:11:55Z")

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I attempted looking through other forum posts regarding camera issues, but those solutions have not helped my situation. I am trying to do example 7, but am running into issues regarding finding the camera. When typing r…

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## [Steering Servo Issues on PiCar-X with Pi 5](https://forum.sunfounder.com/t/steering-servo-issues-on-picar-x-with-pi-5/4295)

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**Author:** [@quarry](https://forum.sunfounder.com/u/quarry)\
**Replies:** 2\
**Last updated:** [January 21, 2026, 4:21pm UTC](https://forum.sunfounder.com/t/steering-servo-issues-on-picar-x-with-pi-5/4295 "2026-01-21T16:21:56Z")

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I am encountering the same issues as the individual from this post, but there was no solution in the comments. I’m running into an issue with the front steering on my PiCar-X (using a Raspberry Pi 5). I’m currently work…

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## [EzBlock Studio 3.2.x needed](https://forum.sunfounder.com/t/ezblock-studio-3-2-x-needed/4247)

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**Author:** [@Pan](https://forum.sunfounder.com/u/Pan)\
**Replies:** 13\
**Last updated:** [January 20, 2026, 7:11am UTC](https://forum.sunfounder.com/t/ezblock-studio-3-2-x-needed/4247 "2026-01-20T07:11:33Z")

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Hi, I have a PiCar‑X V4 with a Raspberry Pi 4B (8GB). The EzBlockOS versions 1.x–3.0.x do not boot correctly and EzBlock Studio 3.2.x does not show any PiCar‑X blocks or examples. Could you please send me the correct EzB…

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## [Where to get the PiSloth Robot hat schematic](https://forum.sunfounder.com/t/where-to-get-the-pisloth-robot-hat-schematic/4278)

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**Author:** [@launcher](https://forum.sunfounder.com/u/launcher)\
**Replies:** 1\
**Last updated:** [January 19, 2026, 6:32am UTC](https://forum.sunfounder.com/t/where-to-get-the-pisloth-robot-hat-schematic/4278 "2026-01-19T06:32:01Z")

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I buy the PiSloth from the digikey，as we know that a robot hat on the PiSloth，I want to get the schematic of the Robot hat, but I cannot find in PiSloth wiki and robot hat wiki(I also donot know the robot hat is V4 or V5…

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## [Galaxy rvr with r4?](https://forum.sunfounder.com/t/galaxy-rvr-with-r4/4230)

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**Author:** [@Spf650](https://forum.sunfounder.com/u/Spf650)\
**Replies:** 6\
**Last updated:** [January 19, 2026, 3:29am UTC](https://forum.sunfounder.com/t/galaxy-rvr-with-r4/4230 "2026-01-19T03:29:18Z")

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H, I’m thinking of purchasing a galaxy rvr. As far as I understand, it comes with an arduino r3 compatible controller. As far as I can see from the arduino R4 specifications, the R4 is compatible with R3 hats. I therefo…

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## [How to prevent Piper TTS from speaking the \* symbol in Ollama?](https://forum.sunfounder.com/t/how-to-prevent-piper-tts-from-speaking-the-symbol-in-ollama/4257)

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**Author:** [@dadsshop55](https://forum.sunfounder.com/u/dadsshop55)\
**Replies:** 1\
**Last updated:** [January 13, 2026, 8:35am UTC](https://forum.sunfounder.com/t/how-to-prevent-piper-tts-from-speaking-the-symbol-in-ollama/4257 "2026-01-13T08:35:08Z")

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Hello, I am running Ollama on Pidog and Piper TTS keeps speaking the asterik ( \* ) symbol in the response text. is there a way to either filter the ( \* ) from the response or have Piper TTS ignore it during speech ?

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## [Scratch with PiCar-X (or PiDog)](https://forum.sunfounder.com/t/scratch-with-picar-x-or-pidog/4252)

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**Author:** [@HugoHuetzel](https://forum.sunfounder.com/u/HugoHuetzel)\
**Replies:** 1\
**Last updated:** [January 13, 2026, 6:23am UTC](https://forum.sunfounder.com/t/scratch-with-picar-x-or-pidog/4252 "2026-01-13T06:23:33Z")

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According to the product page, the PiCar-X should be programmable with Scratch (https://www.sunfounder.com/cdn/shop/files/picar-x\_-6\_b8e62d01-f6f3-4659-8cfd-33e48cb2932a\_900x.jpg?v=1761575644). This is stated on the Sunf…

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## [The motors of my picar x wheels are not going at the same speed](https://forum.sunfounder.com/t/the-motors-of-my-picar-x-wheels-are-not-going-at-the-same-speed/2902)

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**Author:** [@Fefe\_du\_973](https://forum.sunfounder.com/u/Fefe_du_973)\
**Replies:** 15\
**Last updated:** [January 13, 2026, 6:20am UTC](https://forum.sunfounder.com/t/the-motors-of-my-picar-x-wheels-are-not-going-at-the-same-speed/2902 "2026-01-13T06:20:59Z")

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The motors of my picar x wheels are not going at the same speed and the difference between the two motors is huge (something like 2x) it makes the robot unusable. Is there a fix for that ? Thanks

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## [Confused About Proper Cable to Connect Picar X V4 to RPi 5 4GB](https://forum.sunfounder.com/t/confused-about-proper-cable-to-connect-picar-x-v4-to-rpi-5-4gb/4242)

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**Author:** [@kev](https://forum.sunfounder.com/u/kev)\
**Replies:** 1\
**Last updated:** [January 12, 2026, 7:27am UTC](https://forum.sunfounder.com/t/confused-about-proper-cable-to-connect-picar-x-v4-to-rpi-5-4gb/4242 "2026-01-12T07:27:06Z")

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Greetings, i have a PiCar X V4, and a Raspberry Pi 5. My confusion is about the cable required to connect the two safely. My understanding is that the needed cable is “an official Raspberry Pi 5 GPIO Header Power Cabl…

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## [Potential Battery Mismatch](https://forum.sunfounder.com/t/potential-battery-mismatch/4232)

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**Author:** [@justin](https://forum.sunfounder.com/u/justin)\
**Replies:** 5\
**Last updated:** [January 9, 2026, 1:28am UTC](https://forum.sunfounder.com/t/potential-battery-mismatch/4232 "2026-01-09T01:28:22Z")

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Hello. A student was building a Picar-X 2.0 kit and found that the battery in their kit had a 5-pin connector while their Robot HAT only supported 3-pin. Are the kits transitioning to new connectors on either the HAT or…

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## [Issuing Shutdown of OS from iPhone App](https://forum.sunfounder.com/t/issuing-shutdown-of-os-from-iphone-app/4219)

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**Author:** [@zskylar49](https://forum.sunfounder.com/u/zskylar49)\
**Replies:** 5\
**Last updated:** [January 8, 2026, 2:14pm UTC](https://forum.sunfounder.com/t/issuing-shutdown-of-os-from-iphone-app/4219 "2026-01-08T14:14:51Z")

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What is the best way to issue a clean shutdown of the OS from within the iPhone controller app? Thanks!

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## [PiCar-X EZBlock Studio - Wifi Won't Connect](https://forum.sunfounder.com/t/picar-x-ezblock-studio-wifi-wont-connect/4228)

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**Author:** [@Wonder17](https://forum.sunfounder.com/u/Wonder17)\
**Replies:** 2\
**Last updated:** [January 8, 2026, 9:11am UTC](https://forum.sunfounder.com/t/picar-x-ezblock-studio-wifi-wont-connect/4228 "2026-01-08T09:11:03Z")

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I am attempting to setup the PiCar-X my son got for Christmas to use EZBlock Studio. I have followed all of the documentation to install the OS onto the Raspberry Pi and installed EZBlock Studio on multiple iOS devices. …

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## [Picrawler wifi issue](https://forum.sunfounder.com/t/picrawler-wifi-issue/4229)

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**Author:** [@lagg12](https://forum.sunfounder.com/u/lagg12)\
**Replies:** 1\
**Last updated:** [January 8, 2026, 9:09am UTC](https://forum.sunfounder.com/t/picrawler-wifi-issue/4229 "2026-01-08T09:09:54Z")

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obviously it tends to be a problem for people to get wifi working. we have a pi5 with the picrawler. i have tried multiple devices all on the same wifi. i have tried a hotspot on my phone and other devices through it. …

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## [Picar-x movement issue](https://forum.sunfounder.com/t/picar-x-movement-issue/4223)

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**Author:** [@Tai0712](https://forum.sunfounder.com/u/Tai0712)\
**Replies:** 1\
**Last updated:** [January 8, 2026, 2:05am UTC](https://forum.sunfounder.com/t/picar-x-movement-issue/4223 "2026-01-08T02:05:53Z")

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Hi - I’m having some issues with the Picar-x AI robot car. I was able to assemble the robot and get python working on my mac book. However, whenever I try to test the movement on the car, for some reason it is unable to …

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## [Pidog AI voice assistant HELP](https://forum.sunfounder.com/t/pidog-ai-voice-assistant-help/4202)

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**Author:** [@MrMike](https://forum.sunfounder.com/u/MrMike)\
**Replies:** 11\
**Last updated:** [January 7, 2026, 8:09pm UTC](https://forum.sunfounder.com/t/pidog-ai-voice-assistant-help/4202 "2026-01-07T20:09:14Z")

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I have Pidog v2 w pi5 4g. I have completed calibration OK. All 13 “fun projects” work great. For “see, hear, respond” steps 14 thru 19 work great. Step 20 is my problem, When i run the script"sudo python3 20\_voice\_act…

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## [Pidog v2 calibration](https://forum.sunfounder.com/t/pidog-v2-calibration/4217)

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**Author:** [@Hedgehog](https://forum.sunfounder.com/u/Hedgehog)\
**Replies:** 1\
**Last updated:** [January 7, 2026, 6:07am UTC](https://forum.sunfounder.com/t/pidog-v2-calibration/4217 "2026-01-07T06:07:05Z")

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I assembled the pidog v2 completely and started the calibration. When I got to the 4th leg, I realized I connected one of the thigh servos incorrectly. I fixed that. In order to zero the re-aligned servo, do I need to di…

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## [Pidog camera problem (freezes)](https://forum.sunfounder.com/t/pidog-camera-problem-freezes/4208)

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**Author:** [@agalvane](https://forum.sunfounder.com/u/agalvane)\
**Replies:** 2\
**Last updated:** [January 7, 2026, 2:45am UTC](https://forum.sunfounder.com/t/pidog-camera-problem-freezes/4208 "2026-01-07T02:45:18Z")

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I just finished assembling the pidog robot, and everything is ok, but the camera does not work properly. When I try to stream it, it just sends the first image and then freezes. What I have done: I assembled the Pidog…

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## [Suitable Raspberry for PiDog](https://forum.sunfounder.com/t/suitable-raspberry-for-pidog/4211)

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**Author:** [@JanS](https://forum.sunfounder.com/u/JanS)\
**Replies:** 1\
**Last updated:** [January 6, 2026, 7:50am UTC](https://forum.sunfounder.com/t/suitable-raspberry-for-pidog/4211 "2026-01-06T07:50:59Z")

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Hi SunFounder, Today I received the PiDog V2 Kit. I did not yet buy a Raspberry Pi for this kit yet. Which Pi would you recommend (V4 or V5) for this PiDog V2 and how much memory? I also would like your advice how bi…

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## [No copy/run buttons after install create agent on firefox](https://forum.sunfounder.com/t/no-copy-run-buttons-after-install-create-agent-on-firefox/4212)

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**Author:** [@tom1](https://forum.sunfounder.com/u/tom1)\
**Replies:** 1\
**Last updated:** [January 6, 2026, 7:46am UTC](https://forum.sunfounder.com/t/no-copy-run-buttons-after-install-create-agent-on-firefox/4212 "2026-01-06T07:46:03Z")

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Trying to use create agent to set up picar-x. Says I’m connected but the buttons to run are missing. I am using firefox and a pi4

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