OpenMV

kwagyeman

Since the STM32 is unbrickable you don't really have to worry.

kwagyeman

Ah, okay, so, you can unbrick it by following the tutorial here: https://github.com/openmv/openmv/wiki/U ... r-firmware

I thought you were talking about that one. For using the built-in boot loader in the IDE you want the second largest file.

kwagyeman

Okay, open up the face_tracking.py script and replace this part: while (True): clock.tick() img = sensor.snapshot() # Extract keypoints using the detect face size as the ROI kpts2 = img.find_keypoints(threshold=KEYPOINTS_THRESH, normalized=NORMALIZED) if (kpts2): # Match the first set of keypoints w...

kwagyeman

1) Do i need to connect 3,3V to BOOT0 for updating firmware ? >> Not if you're using the bootloader built-in to the IDE. Using the BOOT0 pin is for recovering from being totally bricked. 2) should i only update ; openmv/firmware/OPENMV2/firmware.bin or should i update bootloader.bin and openmv.bin a...

kwagyeman

Alright, the first step is to setup the hardware platform. Please build up everything and connect all the wires and so forth. Once you have everything setup please run the servo example script to have the servos pan around in a circle. Please tweak the servo test script until you're able to get at l...

kwagyeman

Hi, we didn't write a script to control the servos while tracking a face. You'll have to write the code for that for now. Please see the Board-Control -> servo_control.py script for how to drive the servos. Then, take that code and bring it into the facetracking script. You'll have to write the prop...

kwagyeman

You just need a differential drive robot. The turning angle just lowers the power on one motor and raises the power on the other. The power supplied to both motors should be enough that the robot keeps going straight in the angle is zero. The OpenMV Cam should be all that you need for the Robot. It ...

kwagyeman

Thanks for the kind words. Okay, well, let's get into it: For the line following application, the easiest thing to do is to basically use the code like in the line following demo. That gets your robot to follow the line. You of course have to use the steering angle to drive a PID loop. Best to test ...

kwagyeman

I'm sent you an email offline about this issue. Thanks,

kwagyeman

Sorry about the segfault with the IDE.

I'm seriously fast tracking getting the Qt IDE done. I had really hoped pyinstaller would not suck so hard...

As for cleaning the sensor, just use alcohol and a microfiber cloth.

kwagyeman

Hi, I'm working on the tutorial right now. But, it won't be done for a while.

How about this, what would you like to do with your OpenMV Cam and I'll walk you through that.

kwagyeman

I have a Mac so I spent some time last night trying to get that working on my Mac. Wasn't able to do so :(. Ibrahim will have to get it working an he doesn't have a Mac right now. After I get the tutorial online the IDE is pretty much the biggest fire right now for us so I'm going to spend considera...

kwagyeman

Python 2.7

kwagyeman

I don't know how to fix this error. Google doesn't seem t have any info on what needs to be done. Um, so, it would probably be easier to get the IDE running from source on Ubuntu than the compiled image... See this: https://github.com/openmv/openmv/wiki/Firmware-Development You can skip the whole qt...

kwagyeman

Sorry about this being a pain right now. It's really hard to get stuff working easily for Linux. The windows port works better...

kwagyeman

I'm working on the Mac port right now. Hopefully we'll have it working before the end of the week. The LEDs aren't an issue. As for the error that's because your system libraries are too old. Ubuntu ships with old libraries for some reason. You'll have to update them. Please try updating Ubuntu or "...

kwagyeman

The /dev/openmvcam is a device. Its basically like on windows COM5 etc. missing. You're getting that error because the udev rules aren't installed. Please follow the getting started guide to get that working. You just have two execute a two simple terminal commands to install the udev rules and once...

kwagyeman

As for the IDE working on MAC. It actually does. Ibrahim just doesn't have a Mac machine to release it on. So, this causes problems. Here's a thread on how to run the Mac IDE from source: https://github.com/openmv/openmv/issues/50 Clone the openmv repo to run the IDE. It's just a python script.https...

kwagyeman

See here: https://openmv.io/forums/viewtopic.php?f=3&t=102

kwagyeman

People have noticed that the virus scanner works overtime on the IDE. You should add it to be excluded. We have to digitally sign our IDE to fix this.

kwagyeman

Once I get done with the tutorial I am definitely going full-time to fix the IDE...

kwagyeman

Yeah, you had to install the firmware.bin file. Sorry about this being confusing right now.

Um, go to the OpenMV GitHub page and then go to the wiki. There's an article I wrote on how to unbrick your cam using DFU. Use windows, the DFU tool for Mac and Linux doesn't work.

kwagyeman

Hi, Please follow this guide here: https://micropython.org/resources/Micro-Python-Windows-setup.pdf If you're using a newer windows version you have to install the driver is a very awkward way which involves shutting down your PC to put it into safe mode. You need the driver however, otherwise, thin...

kwagyeman

When we get the new IDE done using QtCreator as the base all these problems will go away. But, don't expect that to be done until October. Anyway, I hope you enjoy the system. We put quite a lot of work in.

Try out the GIF recording script. It's so cool.

kwagyeman

Use the DFU tool to flash the firmware DFU file onto the OpenMV cam. The bootloader and OpenMV dfus are only part of the actual binary image.

kwagyeman

Hi, I tried the program out on a fresh install of windows 10 and I had no problems. Similarly with a fresh install of Ubuntu 14. What platform are you using? Getting that binary error means your not on the right architecture. We compiled the program for 32-bit. I'm not sure if that means 64-bit Ubun...

kwagyeman

That's odd, we've tested it on several windows machines and linux machines. Okay, I'll check on what's wrong with it tonight. Sorry about this. Um, in the mean time... the IDE is basically a python script. Since you have Ubuntu just follow this guide here to run the IDE: https://github.com/openmv/op...

kwagyeman

Yes, just select the frame buffer in the IDE and click copy color. This will paste the color values into you code. It also generates suggested color tracking values to start with. The values the IDE provides are narrow however. So you'll need to widen them for more general color tracking. Um, so, a ...

kwagyeman

Version 1.4 is what is stable right now. We're going to keep updating the code. We have no plans to stop adding new features. As for saying our code is the most stable out there... :) Well, thanks, but, we've only just started implementing cool stuff. There's much more to do in the future. Anyway, u...

kwagyeman

You should be able to get that all working. However, We can't offer any help since your not using our hardware.

The camera driver is done in a way to work with multiple camera modules. So, you just have to write the camera driver code to get that working.

Anyway good luck!

kwagyeman

Hi, we are dropping support for the OpenMV Cam 1. If you want to hack the firmware and IDE to make it work go ahead.

The small amount of flash on the OpenMV 1 makes it incompatible with everything we've been doing.

kwagyeman

Hi, when haven't tested this with the bluetooth module. However, it supports a baud rate of 115200 BPS normally. But, you can command the module to run at different baud rates. We're not sure what the maximum value is. JPG images at 320x240 are going to take up about 15KB a piece... so, expect about...

kwagyeman

About to get on a flight. So, I can't go in detail. But, Google micropython on Windows. There's a guide that shows how to DFU update. Basically, you can only firmware update on Linux right now. Ibrahim is working on a bootloader to fix this issue. I heavily recommend installing the Linux development...

kwagyeman

Alright, MacroFab will talk with their USPS rep to see what's going on.

These issues happen on a case by case basis. It's difficult to know exactly what the problem is. But, most of our international orders do not get held for in customs.

kwagyeman

I've emailed MacroFab to get to the bottom of this.

kwagyeman

Hi, USPS is usually very fast. Sorry about them being slow. I don't know why they would be. That said, it's actually very difficult to use any other carrier than USPS. They are the only integrated option offered by Shopify. For other carriers we have to create a business account with them... Anyway,...

kwagyeman

Make sure to install the dev environment and do firmware updates as we push new features. We plan to get the release firmware done by May.

kwagyeman

Hi, we don't support what you are trying to do. The OPENMV1 firmware has more or less been abandoned (we don't test it). If you want to try to use our firmware Either pickup a firesale OpenMV Cam or pre-order an OpenMV Cam. If you can fit the OpenMV Cam 2 firmware on the disco then there's hope to g...

kwagyeman

We use DFU mode. See the link above to the development environment.

kwagyeman

Hi, we don't specialize in answering questions like what you've asked at this forums. Please don't hijack threads.

kwagyeman

K, Unbuntu works great without issues also.

kwagyeman

I think you can just use the jumpers on the discovery boards to get access to the two wires. Then you just connect them to the OpenMV Cam.

kwagyeman

The difference is just the camera module. Both will have the same firmware. The OV2640 camera has a few JPEG modes which allow it to take higher resolution photos to save to disk and do MJPEG video with. However, it's picture quality is not as good. Basically it has a few more options for set_frames...

kwagyeman

Great idea, So, make sure to use a DIFFUSED lighting source to illuminate the candy. Then, the camera shouldn't have a problem seeing anything. Also, make sure candies are very different colors.Red and Orange for example are too similar for a camera to easily distinguish. If you're working on the ca...

kwagyeman

Yes, Ibrahim used it previously to find the source of a serious bug on the platform. That said, I have no idea how he did this. He can respond with details.

kwagyeman

We'll have examples and stuff done too as soon as we can. We plan to make the example folder folder Arduino like with examples for everything. Until then, the best way to see the API is to look at these files: https://github.com/openmv/openmv/tree/master/src/omv/py The py_*.c files have all the func...

kwagyeman

Hi, The servo outputs are PD12/PD13, or pin P7/P8. Servo1 is P7 and Servo2 is P8. The VIN pin doesn't output voltage. Its in input. About the IDE crashes. What's the exact issue? Did the IDE not start? We'll have to fix that then. On Windows the firmware update does not work. You have to put the boa...

kwagyeman

Also, if you're on linux and you installed the dev environment and updating the firmware via the IDE is giving you issues please put the board into DFU mode and try using the make flash option to reprogram it.

kwagyeman

We decided to change sensor tot he OV7725 around December. Its been an excellent choice. We've noticed no issues with the OV7725.

kwagyeman

Hi, can you use this new release here?

https://github.com/openmv/openmv/releases

There are some serious bugs with the old firmware, but, for v1.2 the system should be stable now. We're still fixing issue however. We'll have a final release for KickStarter by sometime in May.

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