Search found 6 matches

by duyci
Wed Jun 05, 2019 2:51 pm
Forum: Technical Discussion
Topic: OpenMV and NodeMCU cant work together
Replies: 1
Views: 91

OpenMV and NodeMCU cant work together

When I try to send character OpenMV to NodeMCU wifi module under the UART communication.But I failed. Firstly this is my NodeMCU side codes: When the serial communication avalible I have to see read_data void setup() { Serial.begin(115200); // Initialize the Serial interface with baud rate of 9600 }...
by duyci
Tue May 07, 2019 4:22 am
Forum: General Topics
Topic: Qr code and I2C
Replies: 3
Views: 6845

Re: Qr code and I2C

Thank you for your answer.

Is this possible using UART and getting data with OpenMV Qr code example. And send to Esp8266.
Can I use openmv with esp8266 ?
by duyci
Wed Apr 10, 2019 4:24 pm
Forum: Technical Discussion
Topic: How to send qrcode information by using uart ?
Replies: 1
Views: 8603

How to send qrcode information by using uart ?

I want to send qrcode information to Arduno using uart. When I read the qr code with OpenMv I got data like this: {"x":18, "y":17, "w":221, "h":221, "payload":"http://beautifulpixels.blogspot.com/", "version":4, "ecc_level":3, "mask":7, "data_type":4, "eci":0} And I want to send to arduino this line...
by duyci
Wed Apr 10, 2019 2:38 pm
Forum: General Topics
Topic: Qr code and I2C
Replies: 3
Views: 6845

Qr code and I2C

Hi, I want to read some qr code they are include some details (name, surname etc.) and I want to send data to internet but how can i send to internet ? if this possible i thought, communicate with the arduino using the I2C( IS this possible i dont know) and using wifi shield send to internet. How ca...
by duyci
Wed Mar 13, 2019 4:17 pm
Forum: Technical Discussion
Topic: What does it mean ?
Replies: 1
Views: 2621

What does it mean ?

This is the example code of the QR code. But I have some question about the this code. What is the code mean in this line for code in img.find_qrcodes(): And what is the behind of the find_qrcodes() function. How can I find the explanation about the some function. # QRCode Example # # This example s...
by duyci
Mon Mar 04, 2019 1:27 pm
Forum: Technical Discussion
Topic: OSEror: Could not find the file and than Memory eror
Replies: 1
Views: 2343

OSEror: Could not find the file and than Memory eror

I am a new about the openMV. And I have a OPENMV3 OV7725-M7 version. I want to try nn_cifar10_3 example, when I run the code than I got the "OSEror: Could not find the file" message and I took SD disk, and copy to cifar10.network file from the github link. And Then I got the this Memory Eror: Memory...

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