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Questions tagged [serial]

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

1 vote
0 answers
24 views

Why does my W65C51's echomode have weird bit delay?

I've recently bought a new Western Design Company 6551 IC, but after hooking it up I get a weird bit-delay while using the Echomode. When I send a character, for example 'U', it should send (startbit)...
0 votes
2 answers
50 views

CH32V003 MCU max USART baud rate

I will work with the CH32V003A4M6 microcontroller and must configure its USART for serial communication. My application needs to go up to 460800 baud rate. Does someone know if this is possible, or ...
0 votes
1 answer
54 views

STLink v3 serial doesn't work

I'm trying without any success to get STLINK-V3MINIE serial to work. It shows up as a serial port on the laptop: ...
0 votes
2 answers
62 views

Do FT232 come pre-programmed out of the package?

I'm working on a board which requires USB serial communication. For this I want to use an FT232RNL, however I'd like to know if I need to program it before I install it on the board. Also, do I need ...
1 vote
1 answer
150 views

DMU11 IMU data straight from port with Python

This is my first python project away from learning through textbook exercises. I have no other experience coding so sorry that the formatting is likely horrendous. I'm using DMU11 form Silicon Sensing ...
0 votes
1 answer
160 views

Bridging Two UARTs on Same SBC

I recently started testing the UARTs on a RockpiE with the hardware v1.2 GPIO headers (https://wiki.radxa.com/RockpiE/hardware/gpio). In the 'boot/uEnv.txt' file, I disabled the console on uart2 by ...
1 vote
1 answer
2k views

Understanding 8b10b

I am trying to develop a serial link with 8b10b protocol. As per my understanding after every conversion I need to send a comma character to identify frame boundary. If things are done in this way ...
0 votes
3 answers
160 views

Implementing Honeywell IMU

Want to start by saying I'm a mechanical/aerospace engineer, and I'm fairly out of my depth here. My current project is on a load-testing rig. Ultimately, it will use a Honeywell HG1120 IMU to give ...
7 votes
1 answer
371 views

Design of very long serial signal systems

In the current case there is a single signal conductor, tens (hundreds?) of meters long, which serially connects door and window sensors for a whole building. The sensors are simplest possible ...
0 votes
2 answers
120 views

Is it normal to get garbage output through UART when resetting the microcontroller?

I have written functioning code for Serial Communication through UART, and when stepping through the code it transmits characters just fine. I have done this using microlib, so I can use printf (I ...
0 votes
0 answers
38 views

Fingerprint sensor module communication (FPM383 R503)

I'm working on a fingerprint sensor that is known as FPM383. It is much like the well known R503 sensor. Their datasheet and serial communication manual are almost identical. I was trying to control ...
0 votes
1 answer
72 views

Serial Port connected thru HDMI... Kinda works and now I have questions

I want to preface this with the fact that I don't know much on the hardware end of things. We have a device at work that requires a serial port connection to communicate with the software that ...
0 votes
0 answers
70 views

Decoding unknown serial data from treadmill console board

I have been working on a treadmill project whereby my aim is to manually control the treadmill with an Srduino without using the remote. Info about the treadmill - The treadmill is just a normal ...
0 votes
0 answers
29 views

ATTINY85-20SUR and serial communication

I am trying to use this chip ATtiny85 for serial communication. So my question is, would you recommend using it for serial communication, such as storing names, IDs, data, and last operations? Should ...
0 votes
4 answers
192 views

Drive long cable directly with opto isolator 6N137 (open drain OP)

I would like to use serial comms between atmega328p microcontrollers over lines up to about 20 meters long, at speeds of around 9600, with the first choice of cable being cat5. Opto isolating them ...

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