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3 questions
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Serial.availableForWrite versus Serial.flush
Is there a difference between the following two line codes?
while (Serial.availableForWrite <= 0) {}
versus
Serial.flush()
Thanks!
- 111
2
votes
1
answer
297
views
Is it possible to run 2 functions, that communicate with 2 different serial devices, in parallel using FreeRtos library?
This might seem like a very broad question but that's what i want it to be for multiple ways of implementation.
I've an Arduino UNO communicating with 2 Serial devices interfaced using SoftwareSerial ...
- 56
1
vote
1
answer
2k
views
Wired serial connection between two Arduinos - do they need a common Ground (GND)?
I would like to connect two Arduinos by a serial connection. Is it sufficient to connect TX1<-->RX2 and RX1<-->TX2 or do I also need to connect the GND of the two Arduinos?
- 487