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Cannot connect through /dev/ttyACM0 (Ubuntu 18.04)

I am using an Arduino UNO which worked fine until today. My system: Ubuntu 18.04 Now, the IDE can no longer connect to it: Cannot do any sketch upload Cannot ask for board info No USB ports shown in ...
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problem with communication between Linux and microcontroller [closed]

Hello Arduino community, I am new to the Arduino community and would like to ask for help (I work on a Arduino TIAN). Indeed, since 2 3 weeks I try through simple programs to understand the operation ...
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vote
1answer
2k views

I change ESP8266 baudrate and now it doesn't work

I was trying some AT commands using the monitor of the Arduino Web Editor with an Arduino Uno and a ESP8266 module. It was working at 115200 bauds but then I changed it with AT+CIOBAUD=19200 and now ...
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1answer
1k views

connection between Arduino Uno with nRF24L01 and notebook with wireless card

My project intend to command an Arduino UNO by my notebook without cable. I thought to use a RF Nordic nRF24L01 cabled on an Arduino UNO, and to use the wireless card of my notebook to send command to ...
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0answers
1k views

Reading Arduino output from serial line

I'm attempting to read data from the serial line coming from the Arduino and return it as a string. I have found/modified the following code to do so: #include <sys/types.h> #...