Peter
  • Member for 4 years, 2 months
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Is it possible to extract a hex file via UART from an Arduino?
Accepted answer
5 votes

AVRDUDE which is used by the IDE to send the content of HEX file from your computer, as a feature letting it to get back the data of the flash, in order to compare and see if data are correct. For a ...

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Is it possible to upload an arduino sketch through the serial port (RX) instead of USB
3 votes

No need to have a specific bootloader. The basic bootloader can do that (in Arduino that's the case so I hope this answer will apply in your case. But if not, the principle is certainly the same). ...

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Change the baud rate of HC-05
2 votes

I played a lot with HC-05 and HC-06 until I understand the way they work. Now i've big Android App communicating with HC at 115200 bauds and sending and receving heavy data. I hope these tips will ...

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ESP32 and SQLite - ALTER TABLE problem
1 votes

Well. After searching a lot here's the way todo a "RENAME" for a table. It's a bit tricky... Renaming table in ESP SQLite is very interesting because SQLite has very limited features for ...

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Esp32 Https Problem
1 votes

Even if it's an old question... I suggest not rely on methods describe here. Of course you can get the SSL certificate from the browser and copy-paste it into your code. But each time the server will ...

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Connect 4 HC-12 transmitters to 1 HC-12 receiver
1 votes

When a HC-12 is transmiting all other HC-12 in his range (using same frequency) are receiving. So if you want your transmiter to talk to one specific HC-12 then to an other and so on, you have to ...

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Is there an open source compiler for Arduino Sketch codes?
1 votes

Just have a look here https://github.com/arduino/Arduino/wiki/Build-Process to understand the process. In fact Arduino code is not "C or C++" at 100%. You can't compile directy as some informations ...

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HC-05 Bluetooth module doesn't read data correctly from my Android phone
1 votes

I suggest to have a look at this answer: Change the baud rate of HC-05 In many case and especially when you send data from Android and receive bad data on Arduino, it's because the speed is not set ...

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Detecting step motor effort
1 votes

After fred_dot_u answer I have made other research. Not sure this can help us (Look Alterno and me), but some post are talking about "can I detect the over intensity". Here is a very interresting ...

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Image Processing
0 votes

If you want to use and Arduino (even if faster chip with more RAM would be better), there is an option: the small camera module Ov7670 is available in two versions. One just take pictures get them and ...

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How I can divide information stream from bluetooth hc-06?
0 votes

Communication is done only with bytes. A byte is ALWAYS a numerical value and you cant' transmit more than one byte at a time. Saying that, you have two points to understand: 1) how do you want to "...

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nRF24L01 Problem
0 votes

Completing TisteAndii reply I suggest to have a look at init. According to the RF24 classe list, it seems radio.begin(); and radio.openWritingPipe(pipe); are "void" function. I personnaly use NRFLite ...

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Arduino Mega 2560 + ESP8266 Problem with GET Request
0 votes

First you must check if the problem is on your side or not. You call http://api.pushingbox.com and you send parameter which are "pushingbox?devid=vEB39F555B1B8295&tempData=cabbages" When I glue ...

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Random(0,2) gives bad results
0 votes

Unfortunatly, "real random" value don't really exist in computer. If you just call a random function many time, you'll get (in many cases) same result. For that, before calling a random generator, you ...

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How to write modular code for arduino?
0 votes

Well.... The answers are interessting but depend on what JuanV is thinking about when he say "separated modules"... For me, as an "old timer software dev", "separated modules" mean I build a central ...

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#Ardunio Send Float values with bluetooth.print in arduino
Accepted answer
0 votes

I suspect (at first sight) a speed problem. Android runs Bluetooth at 115200 Bauds. So you must set your HC-05 o HC-06 at this speed to get proper result. But as you perform "bluetooth.print(statuss);...

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