Mohammad javad Nemati

I have similar problem Is there a similar library to solve this problem @chaoyangnz ?

I scanned this barcode using this app and the result was this:  (Code_93) The strange thing is the extremely high speed of the scanning process in mentioned app. I'm...

I think I did not understand your meaning correctly. The image I uploaded in the previous post is actually not my program and does not use quagga. Rather, it is...

In some devices, the automatic focus does not work well and barcode scanning is difficult. Is there a way to manage the focus operation of the camera? For example, by...

I also have a similar need. After uploading the photo, we perform a series of different processing operations and finally we need to compress it to the maximum size. When...

hi @michaelotto thanks for your trick . I changed the parameter to uint32_t as in (in PubSubClient.cpp and PubSubClient.h) `size_t PubSubClient::buildHeader(uint8_t header, uint8_t* buf, uint32_t length)` And I used the...

first of all sorry for my noob question . for example I have this string message and topic : ``` String Message = "my message to send "; String TopicName...

thanks @michaelotto I did everything. If the number of characters in the message is less than 128, everything will work fine. But if the message length is more than 128...

For example, we have the following payload: { 'id':'1','fname':'john','lname':'snow'} Please give an example to encode and decode this payload by 'arduinojwt'