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Serial communication is the standard USB connection between the Arduino and a computer with a standard USB A to B cable or through the TX/RX pins using a USB to serial converter. It can also refer to the serial library.

4 votes
1 answer
1k views

Non-blocking SoftwareSerial.Write

How to use SoftwareSerial.Write without blocking if buffer is full? Serial.write blocks if the buffer is full. So I need to check Serial.availableforwrite before calling write to prevent blocking. But …
0 votes
1 answer
310 views

Serial.write without a receiver

I'd like to send a monitoring information (temperature) to a serial receiver periodically. … The problem is I don't know if there is any monitoring service (serial receiver) and how fast it is reading. I only need the latest value. …