Arduino Stack Exchange
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Questions tagged [firmware]

The program code stored/running on an embedded device. The term is sometimes used interchangeably with "software".

62 questions
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How to change baudrate of ESP8266 (12e) permanently?

IMPORTANT: DO NOT USE AT+IPR=9600! (see update) I have an ESP8266 12E module that communicates at 115,200 bauds. Since I use it with an Arduino Nano with SoftwareSerial things get messy. So I found that I should reduce the baud rate of the ESP…
mvermand
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2 answers

Installing a different firmware on Arduino

Is it possible to upgrade the firmware on an Arduino so that it can do more things such as change undervolting/ overvolting in order to provide more processing power. To do this you would have to most likely re flash the chip itself, so how would…
JVarhol
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Where can I find out how to make a hex file for arduino firmware?

I have followed this tutorial on flashing my Arduino R3 to turn it into a "USB keyboard", but the article doesn't explain how the hex works, it's just for granted. Where can I learn about how to make my own hex file so that I can learn how to make…
trusktr
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Is it possible to extract a hex file via UART from an Arduino?

Right now I am tinkering on my 3D printer that has an Arduino mega as a brain. I need to update the Marlin firmware but in case of an error I want to create an backup of the firmware. And because it is assembled using a shield on top have no access…
Coder_fox
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1 answer

How do send sketch updates to devices without the editor?

I'd like to update the sketch of a device that a friend out of state is testing. I could have them install the full editor and send the source code but I'd rather not require them to do something so technical. Is there a way to compile the firmware…
asawyer
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2 answers

Remotely uploading code to an Arduino board over the internet

I recently used Particle Photon that allows me to upload firmware (.bin file) remotely over the internet. I would like to use something like this for my Arduino but I cannot find anything like that. Does anyone know any possible way to upload…
Chang Zhao
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2 answers

Marlin Firmware troubles: error

I am trying to upload the Marlin Firmware to my 3D printer's Arduino Mega 2560 and I am experiencing a problem. It keeps saying: qr_solve.cpp:7:18: fatal error: time.h: No such file or directory #include ^ compilation…
Rdawg33
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2 answers

updating firmware on arduino wifi shield

I'm trying to upgrade firmware on my wifi shield by following the upgrade instructions for Mac. I was wondering what this means?: Connect a jumper on the J3 connector, that put the shield in the programming mode. Then connect the USB cable to the…
user1424508
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Is it possible to extract the firmware of an Arduino BLE or IoT board wirelessly?

I've looked at previous questions regarding sketch extraction and know that it is possible to extract the hex code from an Arduino board using avrdude from the command line. However, I want to see if the following is possible: Connect to Arduino 33…
Tj Hasan
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How to extract code on one DT-06 board to another board?

I have two DT-06 boards DT06 datasheet. The board stock firmware provides Web UI for wifi/network/serial setup. I've replaced the firmware on one board with other sketch; but now I want to revert it to the stock firmware. I cannot find the stock…
bthoven
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1 answer

ESP8266-01E is not responding after successful flash

I have flashed an ESP8266 with the ESP8266 flash downloader that said my flashing had succeeded. But when I sent an AT command from the serial monitor it didn't respond and the TX/RX LED from the ESP8266 didn't respond either. I checked all…
Muhammad Ikhwan Perwira
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Firmware for Atmega32u4 on the Arduino Uno Wifi Rev2 (causing upload issues)

I reprogrammed the Atmega32u4 on my Arduino Uno Wifi Rev2 in order to use it as a human interface device, but I am now having difficulty programming the 4809 (through the 32u4 over UPDI) with the Arduino software. I have tried reprogramming the 32u4…
nametable
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Why is their need of response time needed in esp8266 AT commands?

I am writing an AT commands firmware for esp8266 via connecting it to atmega2560. Now the question is how will I come to know the response time for AT commands for writing its firmware to read the response? in fact prior to this thought, the…
Kunal
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EEPROM: managing address mapping between firmware versions

Is there a common way to handle changes in the mapping between eeprom addresses and variables between firmware versions? It's not about the eeprom memory to survive the update, but to be(come) compatible with future sketches with a possibly…
Sim Son
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Using the Broadcom AFBR-S50 with Arduino

I'm trying to interface with a Broadcom AFBR-S50MV85G ToF sensor over SPI using an Arduino, which is complicated by the fact that the provided library and reference application is written for Cortex M0-based NXP microcontrollers. The documentation…
Joseph
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