Questions tagged [serial]

In serial communication data is transmitted as a sequence in time. Main advantage: Fewer wires needed. Main disadvantage: Higher bandwidth required for the same throughput.

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votes
7answers
22k views

Bluetooth module HC-05 giving ERROR :(0)

I am working right now with Arduino UNO and HC-05 bluetooth module.I followed the instruction given on this link for wiring. So there are 2 mode of working with this HC-05 module Simple serial ...
2
votes
3answers
1k views

Controlling Robots Through Serial

I recently have been working on a little project. Unfortunately, I've ran into a bit of a road block with controlling servos using serial commands. The servos do appear to move when i put in any ...
1
vote
1answer
912 views

problem in serial communication between PC and ATMEGA 8535(AVR)

I have written code to send data from controller to pc through serialport using interrupt but it echos garbage value exactly 3 times back. ...
1
vote
0answers
710 views

Firmata over nRF24

I'm having some technical problems... I'm trying to use Firmata for arduino but over nrf24, not over Serial interface. I have tested nRF24 communication and it's fine. I have also tested Firmata over ...
7
votes
5answers
4k views

How to calculate serial speed and buffer requirements for PC to microcontroller communications?

A common scenario is to have a PC that sends commands to a microcontroller via RS232. My PC program is sending commands (each of which are composed of multiple bytes) as fast as it can to a small ...