# OpenMV Boards **URL:** https://forums.openmv.io/c/general-topics/5.md [Latest](https://forums.openmv.io/latest.md) · [Categories](https://forums.openmv.io/categories.md) · [Tags](https://forums.openmv.io/tags.md) --- ## [OpenMV Firmware v4.5.6 and up TensorFlow Porting Guide](https://forums.openmv.io/t/openmv-firmware-v4-5-6-and-up-tensorflow-porting-guide/9863)
**Author:** [@kwagyeman](https://forums.openmv.io/u/kwagyeman)\ **Replies:** 30\ **Last updated:** [May 7, 2026, 5:38pm UTC](https://forums.openmv.io/t/openmv-firmware-v4-5-6-and-up-tensorflow-porting-guide/9863 "2026-05-07T17:38:21Z")
Hi all, In our latest firmware, 4.5.6, we’ve completely updated how our TensorFlow API works. This is a breaking change. But, the functionality increase is worth it. Here are the details: The “tf” module is now gone (a… --- ## [Welcome to the OpenMV Forums — Please Read This First, Before Posting!](https://forums.openmv.io/t/welcome-to-the-openmv-forums-please-read-this-first-before-posting/1209)
**Author:** [@system](https://forums.openmv.io/u/system)\ **Replies:** 0\ **Last updated:** [April 12, 2019, 12:49pm UTC](https://forums.openmv.io/t/welcome-to-the-openmv-forums-please-read-this-first-before-posting/1209 "2019-04-12T12:49:48Z")
Welcome to the OpenMV Forums. Before posting your question, please go through the following checklist first: Have you checked the built-in IDE examples in File-\>Examples first ? Have you searched the forums first ? Yo… --- ## [About the OpenMV Boards category](https://forums.openmv.io/t/about-the-openmv-boards-category/10)
**Author:** [@system](https://forums.openmv.io/u/system)\ **Replies:** 1\ **Last updated:** [March 2, 2022, 6:56pm UTC](https://forums.openmv.io/t/about-the-openmv-boards-category/10 "2022-03-02T18:56:42Z")
Place for technical questions related to the OpenMV boards, software and firmware. --- ## [AE3 Frame capture has timed out](https://forums.openmv.io/t/ae3-frame-capture-has-timed-out/11892)
**Author:** [@hulslincoln](https://forums.openmv.io/u/hulslincoln)\ **Replies:** 3\ **Last updated:** [September 28, 2026, 6:25pm UTC](https://forums.openmv.io/t/ae3-frame-capture-has-timed-out/11892 "2026-09-28T18:25:38Z")
I’ve been working on AprilTag detection with an OpenMV AE3 and relaying the results over CAN, so I’m currently running the dev build. I’ve been getting the following runtime error intermittently: RuntimeError: Frame ca… --- ## [OpenMV AE3 don't work](https://forums.openmv.io/t/openmv-ae3-dont-work/11875)
**Author:** [@Ulf\_Andersson](https://forums.openmv.io/u/Ulf_Andersson)\ **Replies:** 10\ **Last updated:** [September 26, 2026, 12:06am UTC](https://forums.openmv.io/t/openmv-ae3-dont-work/11875 "2026-09-26T00:06:50Z")
Hi I bought an AE3 and received it today; I let everything update. Everything worked fine for five minutes. Then everything died; not even the built-in USB drive showed up in the file manager. The LED flashes for a w… --- ## [Add UART to P6 and SD\_CD (AD\_B1\_02) on RT1062](https://forums.openmv.io/t/add-uart-to-p6-and-sd-cd-ad-b1-02-on-rt1062/11888)
**Author:** [@ajacobs](https://forums.openmv.io/u/ajacobs)\ **Replies:** 3\ **Last updated:** [September 25, 2026, 5:01pm UTC](https://forums.openmv.io/t/add-uart-to-p6-and-sd-cd-ad-b1-02-on-rt1062/11888 "2026-09-25T17:01:44Z")
My project needs fast hardware UART (921600 baud, no bit banging), I2C, SPI and some other GPIOs. Since I2C1 and UART1 both occupy P4 and P5, I’ve been studying the schematic and datasheet and found that LPUART2 is unus… --- ## [OpenMV support status for Seeed XIAO ESP32-S3 Sense — any official or community path?](https://forums.openmv.io/t/openmv-support-status-for-seeed-xiao-esp32-s3-sense-any-official-or-community-path/11886)
**Author:** [@saraaras1303](https://forums.openmv.io/u/saraaras1303)\ **Replies:** 1\ **Last updated:** [September 24, 2026, 5:56pm UTC](https://forums.openmv.io/t/openmv-support-status-for-seeed-xiao-esp32-s3-sense-any-official-or-community-path/11886 "2026-09-24T17:56:08Z")
I’m running a comparative study on TinyML image-classification platforms (Edge Impulse, SenseCraft AI, OpenMV) using the Seeed XIAO ESP32-S3 Sense (OV2640, 8MB PSRAM, 8MB Flash) for a university internship project. I’ve… --- ## [TOF on ae3 is working eratic](https://forums.openmv.io/t/tof-on-ae3-is-working-eratic/11880)
**Author:** [@Ulf\_Andersson](https://forums.openmv.io/u/Ulf_Andersson)\ **Replies:** 5\ **Last updated:** [September 24, 2026, 4:31pm UTC](https://forums.openmv.io/t/tof-on-ae3-is-working-eratic/11880 "2026-09-24T16:31:04Z")
I have a openmv ae3 and I am trying to use the tof, it’s very nice that is possible to mesure in different directions but there is a 50 50 chance of success the initialization of tof works sometimes can one catch it … --- ## [Possible dust in RT1062 lens?](https://forums.openmv.io/t/possible-dust-in-rt1062-lens/11884)
**Author:** [@charlie.coultas](https://forums.openmv.io/u/charlie.coultas)\ **Replies:** 2\ **Last updated:** [September 22, 2026, 5:08pm UTC](https://forums.openmv.io/t/possible-dust-in-rt1062-lens/11884 "2026-09-22T17:08:17Z")
I have got my RT1062 running nicely but there is s a fuzzy smear on the video screen in the IDE. It never moves, I have a picture of it: Is it safe to separate the camera from its matrix (2 small screws) and attempt to … --- ## [OpenMV N6 External Wifi Antenna Procedure?](https://forums.openmv.io/t/openmv-n6-external-wifi-antenna-procedure/11883)
**Author:** [@EmbeddedTony](https://forums.openmv.io/u/EmbeddedTony)\ **Replies:** 1\ **Last updated:** [September 21, 2026, 6:16pm UTC](https://forums.openmv.io/t/openmv-n6-external-wifi-antenna-procedure/11883 "2026-09-21T18:16:09Z")
Hello, I have the OpenMV N6 and wanted to confirm the procedure for wiring an external antenna. Do I just have to connect antenna to small pad and larger ground pad (blue) and remove the component with the red mark on it… --- ## [Does LCD Shield fit for N6](https://forums.openmv.io/t/does-lcd-shield-fit-for-n6/11874)
**Author:** [@Ricky](https://forums.openmv.io/u/Ricky)\ **Replies:** 9\ **Last updated:** [September 20, 2026, 11:29am UTC](https://forums.openmv.io/t/does-lcd-shield-fit-for-n6/11874 "2026-09-20T11:29:43Z")
I want to add LCD shield for N6. I checked the PIN map between N6 and LCD shield. SPI pins, 3.3V and ground seems to be a good match. But I’m not sure if the LCD shield physical dimension fit to both far left and far rig… --- ## [Some of the Examples for RT1062 give errors](https://forums.openmv.io/t/some-of-the-examples-for-rt1062-give-errors/11878)
**Author:** [@charlie.coultas](https://forums.openmv.io/u/charlie.coultas)\ **Replies:** 2\ **Last updated:** [September 18, 2026, 8:21pm UTC](https://forums.openmv.io/t/some-of-the-examples-for-rt1062-give-errors/11878 "2026-09-18T20:21:27Z")
Newbie here. Just received Camera RT1062. Some of the Examples in the IDEColor fail with an error. Example: Examples/Image proc/color tracking/single color blob fails with: Name Error:name ‘image’ isn’t defined. Have I … --- ## [PAG7936 available to buy individually](https://forums.openmv.io/t/pag7936-available-to-buy-individually/11877)
**Author:** [@George](https://forums.openmv.io/u/George)\ **Replies:** 3\ **Last updated:** [September 18, 2026, 5:41pm UTC](https://forums.openmv.io/t/pag7936-available-to-buy-individually/11877 "2026-09-18T17:41:49Z")
Are there any plans to release the PAG7936 as a standalone camera at any point on the website? --- ## [OpenMV N6: Problem with VL53L9 and Wifi Interface](https://forums.openmv.io/t/openmv-n6-problem-with-vl53l9-and-wifi-interface/11872)
**Author:** [@corrado.santoro](https://forums.openmv.io/u/corrado.santoro)\ **Replies:** 2\ **Last updated:** [September 17, 2026, 1:04pm UTC](https://forums.openmv.io/t/openmv-n6-problem-with-vl53l9-and-wifi-interface/11872 "2026-09-17T13:04:44Z")
I’ve written a driver for the VL53L9 time-of-flight; I added a i3c driver + the module to interact with the sensor. The code I’ve written is based on the STM official libraries. Everything works well unless I activate t… --- ## [N6 multiple image sensors?](https://forums.openmv.io/t/n6-multiple-image-sensors/11873)
**Author:** [@Roberto](https://forums.openmv.io/u/Roberto)\ **Replies:** 3\ **Last updated:** [September 15, 2026, 8:43pm UTC](https://forums.openmv.io/t/n6-multiple-image-sensors/11873 "2026-09-15T20:43:22Z")
Looking at an application that would involve mounting multiple cameras to cover different areas of the field of view. I would only need to look at the camera output from one camera at a time. Would it be possible for me … --- ## [Using print to send data to arduino due](https://forums.openmv.io/t/using-print-to-send-data-to-arduino-due/11871)
**Author:** [@Ulf\_Andersson](https://forums.openmv.io/u/Ulf_Andersson)\ **Replies:** 3\ **Last updated:** [September 12, 2026, 1:23am UTC](https://forums.openmv.io/t/using-print-to-send-data-to-arduino-due/11871 "2026-09-12T01:23:36Z")
Hi I use Openmv rt1062 and want to send print data to the Arduino due. Unfortunately I have blown the camera uart. I found this: Um, yes, the OpenMV Cam appears as a serial port and you can use the print method to sen… --- ## [Looking for RT1062 schematic](https://forums.openmv.io/t/looking-for-rt1062-schematic/11217)
**Author:** [@milkman](https://forums.openmv.io/u/milkman)\ **Replies:** 7\ **Last updated:** [September 10, 2026, 4:45pm UTC](https://forums.openmv.io/t/looking-for-rt1062-schematic/11217 "2026-09-10T16:45:00Z")
Hello, I am looking for a schematic for the OpenMV RT1062. I searched around on GitHub, but honestly find the site a bit confusing. Would someone be able to point me in the direction of a schematic PDF? Thank-you! --- ## [AE3 seems fried](https://forums.openmv.io/t/ae3-seems-fried/11832)
**Author:** [@chobitsfan](https://forums.openmv.io/u/chobitsfan)\ **Replies:** 12\ **Last updated:** [September 10, 2026, 4:31pm UTC](https://forums.openmv.io/t/ae3-seems-fried/11832 "2026-09-10T16:31:17Z")
firmware: 5.0.0 custom build, both HP and HE uploaded I am using a script to collect IMU and image data to raspberry pi (usb connected) for a hour (I have done this before). After maybe half hour, I notice device discon… --- ## [GENX320 Custom Histogram Construction](https://forums.openmv.io/t/genx320-custom-histogram-construction/11136)
**Author:** [@eventual](https://forums.openmv.io/u/eventual)\ **Replies:** 20\ **Last updated:** [September 9, 2026, 12:52am UTC](https://forums.openmv.io/t/genx320-custom-histogram-construction/11136 "2026-09-09T00:52:26Z")
I was interested in building two separate histograms. Instead of accumulating all events into one snapshot, I want one histogram that accumulates all intensity increases and one that accumulates all intensity decreases. … --- ## [AE3 trigger mode problem](https://forums.openmv.io/t/ae3-trigger-mode-problem/11868)
**Author:** [@chobitsfan](https://forums.openmv.io/u/chobitsfan)\ **Replies:** 6\ **Last updated:** [September 8, 2026, 8:19am UTC](https://forums.openmv.io/t/ae3-trigger-mode-problem/11868 "2026-09-08T08:19:40Z")
After delete omv\_gpio\_write(csi-\>fsync\_pin, 1); and build, flash firmware. with csi0.ioctl(csi.IOCTL\_SET\_TRIGGERED\_MODE, True) (running scripts/examples/01-Camera/04-Global-Shutter/triggered\_mode.py) and I can still s… --- ## [Connect to OpenMV](https://forums.openmv.io/t/connect-to-openmv/11867)
**Author:** [@Ulf\_Andersson](https://forums.openmv.io/u/Ulf_Andersson)\ **Replies:** 2\ **Last updated:** [September 7, 2026, 12:15am UTC](https://forums.openmv.io/t/connect-to-openmv/11867 "2026-09-07T00:15:34Z")
I can not connect to OpenMv OpenMV Cam RT1062 suddenly the icons at the bottom left turned gray, even though I can see the files in the file explorer --- ## [Extension cable for PAG7936 ](https://forums.openmv.io/t/extension-cable-for-pag7936/11863)
**Author:** [@hdaniel](https://forums.openmv.io/u/hdaniel)\ **Replies:** 7\ **Last updated:** [September 2, 2026, 7:11pm UTC](https://forums.openmv.io/t/extension-cable-for-pag7936/11863 "2026-09-02T19:11:18Z")
Hi OpenMV Team, I noticed on the website that the current 80 mm Camera Module Extension Cable doesn’t work with the PAG7936 MIPI sensor, and that you’re working on an updated version. I’m planning to use OpenMV N6 boar… --- ## [N6 Ribbon Cable?](https://forums.openmv.io/t/n6-ribbon-cable/11808)
**Author:** [@Roberto](https://forums.openmv.io/u/Roberto)\ **Replies:** 13\ **Last updated:** [September 2, 2026, 7:10pm UTC](https://forums.openmv.io/t/n6-ribbon-cable/11808 "2026-09-02T19:10:51Z")
Hello, On earlier threads it’s been mentioned that a new ribbon cable design compatible with the PAG7936 camera is in the works. Is there any timeline for when we could expect this to be available? Thanks. --- ## [OpenMV N6 not enumerating on USB and steady red LED](https://forums.openmv.io/t/openmv-n6-not-enumerating-on-usb-and-steady-red-led/11866)
**Author:** [@Ghofranebh](https://forums.openmv.io/u/Ghofranebh)\ **Replies:** 3\ **Last updated:** [September 2, 2026, 4:14pm UTC](https://forums.openmv.io/t/openmv-n6-not-enumerating-on-usb-and-steady-red-led/11866 "2026-09-02T16:14:50Z")
Hi all, I have an OpenMV N6 that Windows reports as an “Unknown USB Device (Device Descriptor Request Failed)” as soon as it’s plugged in. The green power LED lights up normally, but a red LED also lights up steadily al… --- ## [Predict an clasified image](https://forums.openmv.io/t/predict-an-clasified-image/11858)
**Author:** [@Ulf\_Andersson](https://forums.openmv.io/u/Ulf_Andersson)\ **Replies:** 5\ **Last updated:** [August 26, 2026, 1:22pm UTC](https://forums.openmv.io/t/predict-an-clasified-image/11858 "2026-08-26T13:22:15Z")
I build a lawn mover useing openmv to find and avoid trees and lamppost Label Round walls Label TURN A horizontal “barcode” Label STOP the code: from machine import UART import csi import time import ml camera = cs… --- ## [Is there a performance benefit to using a square frame size?](https://forums.openmv.io/t/is-there-a-performance-benefit-to-using-a-square-frame-size/11856)
**Author:** [@noctar009](https://forums.openmv.io/u/noctar009)\ **Replies:** 3\ **Last updated:** [August 24, 2026, 4:25am UTC](https://forums.openmv.io/t/is-there-a-performance-benefit-to-using-a-square-frame-size/11856 "2026-08-24T04:25:14Z")
I currently understand that the frame size determines how pixels are scaled from the image sensor’s native resolution to the target frame size. I’m using an OpenMV H7 Plus with an OV5640 sensor, which has a 4:3 aspect r… --- ## [Whether a PAG7936 M12 module can pair with the AE3](https://forums.openmv.io/t/whether-a-pag7936-m12-module-can-pair-with-the-ae3/11859)
**Author:** [@JGreaney](https://forums.openmv.io/u/JGreaney)\ **Replies:** 1\ **Last updated:** [August 24, 2026, 12:52am UTC](https://forums.openmv.io/t/whether-a-pag7936-m12-module-can-pair-with-the-ae3/11859 "2026-08-24T00:52:04Z")
Does the PAG7936 M12 module pair with the AE3 --- ## [Issue Reading/Writing NOR Flash on OpenMV N6 with ST-Link v3](https://forums.openmv.io/t/issue-reading-writing-nor-flash-on-openmv-n6-with-st-link-v3/11855)
**Author:** [@accphubns](https://forums.openmv.io/u/accphubns)\ **Replies:** 3\ **Last updated:** [August 21, 2026, 2:26am UTC](https://forums.openmv.io/t/issue-reading-writing-nor-flash-on-openmv-n6-with-st-link-v3/11855 "2026-08-21T02:26:20Z")
Hi, I am trying to flash custom firmware onto the OpenMV N6 board using ST-Link v3 and STM32CubeProgrammer. I can connect to the MCU successfully, but I am unable to read from or write to the NOR Flash. Could you plea… --- ## [Major slowdown after firmware update](https://forums.openmv.io/t/major-slowdown-after-firmware-update/11853)
**Author:** [@CobraMike](https://forums.openmv.io/u/CobraMike)\ **Replies:** 7\ **Last updated:** [August 19, 2026, 8:34pm UTC](https://forums.openmv.io/t/major-slowdown-after-firmware-update/11853 "2026-08-19T20:34:33Z")
I have an H7 Plus and just updated the firmware on it for the 1st time in about a year. Afterwards my application is running at about 1/4 the speed that it did prior to the update. The code below was processing in the 30… --- ## [SPI LCD plus CAN Bus on N6 cameras](https://forums.openmv.io/t/spi-lcd-plus-can-bus-on-n6-cameras/11852)
**Author:** [@rothere](https://forums.openmv.io/u/rothere)\ **Replies:** 7\ **Last updated:** [August 19, 2026, 6:11pm UTC](https://forums.openmv.io/t/spi-lcd-plus-can-bus-on-n6-cameras/11852 "2026-08-19T18:11:26Z")
I’ve been successfully running several sizes of 320 x 240 ILI9341 or ST7789 LCDs on the SPI2 port (same as the LCD shield). Would it be possible to setup a CAN bus at the same time, on another port (besides CAN1 P2 and … [Next page](https://forums.openmv.io/c/general-topics/5.md?page=1)