All Questions
Tagged with serial serial-console
41
questions
0
votes
0
answers
32
views
Reading Serial (RS-485) Data (RPI5)
I have an RS-485 Shield that im using but none of the sample code or online guides for this that i can find seem to work. I'm not interested at this stage in doing anything with the data i just want ...
- 1
0
votes
1
answer
140
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When is the 'disable-bt' dtoverlay necessary?
I have a Pi 3B+. There are a number of resources out there that suggest it is necessary to enable the disable-bt overlay in order to make use of the serial UART on GPIO 14 & 15. E.g., this ...
- 653
0
votes
1
answer
91
views
How to disable sysrq on UART
I am trying to talk to a device over serial (ttyAMA0 or serial0) and it works, but sometimes I get the following TX from my rpi4, which crashes the device I talk to:
[22763.820857] sysrq: HELP : ...
- 11
0
votes
1
answer
44
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Code hangs when receiveing data on UART using Gpio 15(RX)
I enabled the UART interface inside the /boot/config.txt file. I know I have correctly selected the serial port because ser.write(data_to_send.encode()) gets executed successfully.
The line where my ...
1
vote
1
answer
1k
views
Raspberry Pi Pico doesn't create tty file
I've been using Raspberry Pi Pico for some time already and I'm using minicom for serial communication. But one day Pico stopped generating tty/ATCM0 when connected to USB port. Before this everything ...
- 119
1
vote
1
answer
2k
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Accessing Raspberry Pi Pico REPL from Android Serial USB Terminal App with main.py present
I discovered that I can plug a Raspberry Pi Pico into my Android phone and use the app 'Serial USB Terminal' as a serial monitor. However, if the Pico has a main.py script uploaded to it, then it ...
- 63
0
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0
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63
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How Install Ubuntu 21.04 (Desktop) on Raspberry Pi 4 using Serial Console? [duplicate]
Hello how can I install ubuntu desktop 21.04 on raspberry pi 4 using serial console? I want to use the Raspberry Pi 4 UART pins to communicate using TTL to USB convert device to my windows 10 OS using ...
- 1
0
votes
1
answer
748
views
Wierd output in python from serial connection output
Output:
b'00000-000000\r\n'
b'450302198011281530\r\n'
b''
b''
b'+\x00--To--\r\x12-\x00000800\r\x12-\x00000800\r\x12'
b'-\x00000800\r\x12-\x00000800\r\x12'
b'-\x00000800\r\x12-\x00000800\r\x12'
...
1
vote
1
answer
810
views
How come Rpi GPSD can read GPS data using USB to serial cable, but not using Rpi serial pins TxD, RxD?
I've been trying to setup an RPi0 with a GPS module.
This is the GPS antenna I'm using
This is the GPS module I'm using to connect to the Pi
I've tried the module with USB on my desktop (Windows 10) ...
- 459
2
votes
0
answers
159
views
How can I reconfigure the UART on the fly?
I have a Pi Zero with Raspbian which I'd like to use as a logger device with WiFi (it's not a W, I'm using an external WiFi stick). I need the UART to communicate with a microcontroller but sometimes ...
- 21
3
votes
1
answer
401
views
Vintage terminal as RPi console
I want to connect a vintage 70s era terminal with a Raspberry Pi. The terminal uses a DB-25 connector and features hardware flow control (RTS/CTS/DTR etc). What would be the recommended way to hook it ...
- 483
1
vote
2
answers
2k
views
SIM800 UART Serial Corrupted Response Problem
I am adding a SIM800L module to a home burglar alarm system I'm building around a RPi3. I've already encountered, and overcome, the usual power problems, and I can successfully use the module to make ...
- 125
1
vote
0
answers
549
views
rfcomm service not working for Bluetooth over serial
I'm trying to connect with a terminal to my Raspberry Pi over Bluetooth, however with my current configuration (which is what I have found in numerous places online) when any device pairs and connects ...
- 11
1
vote
0
answers
33
views
How to stop yellow and grey boxes on serial console during boot?
I have a Raspberry Pi Zero W running Raspian Stretch. When it boots, it prints grey and yellow square characters to the serial console before displaying "Last login ..." and the login prompt. I ...
- 41
0
votes
2
answers
618
views
Debricking WNR2000v3 with Raspberry PI and a serial connection?
I don't actually need to debrick this WNR2000v3, I'm just trying to learn how to connect to an embedded device using a serial connection to see if I can do it.
I believe I have setup the wires so ...
- 714