Questions tagged [convert]

Change data from one format to another.

7 questions with no upvoted or accepted answers
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Converting Client input char to int

I'm trying to print out the temperature from a DS18B20 sensor to my app via a tpc connection. Because I have two sensors connected I will need to call the one needed by an Index. This index comes from ...
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0answers
38 views

How to use 5v and 12v addressable led strip together

Hi guys I’m new to this forum and also not much experience about led lights question already asked but didn’t get any detailed answer I want to know can I provide working data signal to 2 different 5v ...
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37 views

RFID RC522 Serial Communication converting problem

I am new to the RFID Scene and Serial communication as well. So I am trying to use the RC522 RFID module and I wrote in block 22 - 0x36 which is 6. I want to write a code where I take whatever is in ...
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0answers
67 views

Converting string to byte array and byte array to string?

I am trying to create a string message and then encrypt it via AES but the example only accepts byte array as input. How can I convert fullmessage string to message byte array to encrypt it? Checked ...
1
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0answers
70 views

8266 get uint8_t PROGMEM array from uploaded file

I'm new programming arduino. I have connected an Adafruit thermal printer to an ESP8266 board. I've the example code for use the board like a webserver that allow upload files. What i want is to ...
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0answers
60 views

Tapered log potentiometer to linear formula

I have a tapered log 10K potentiometer. I would like some function which returns tapered log value to linear values. The potentiometer is a slider. When connected to the Arduino the wiper displays the ...
-1
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1answer
300 views

Reading bmp images from SD card, converting it and displaying it on serial monitor in Arduino

Can someone please help me write code that can read a 24-bit BMP file from an SD card, save converted to 8-bit BMP internally, and display the 8-bit BMP pixel values on Arduino terminal as a 2D matrix....