Questions tagged [serial-console]

The serial console is a text entry and display device for system administration connected through a serial link.

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10
votes
2answers
11k views

What is the correct way to connect serial console on RPi4 Model B?

My config.txt has: dtoverlay=pi3-disable-bt enable_uart=1 at the end and my cmdline.txt has: root=/dev/mmcblk0p2 rootwait console=tty1 console=ttyAMA0,115200 And here's how I've connected it: I ...
10
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3answers
25k views

Change/reset password WITHOUT monitor/keyboard

I forgot the password to my Pi, but don't have access to a compatible monitor/keyboard. I've seen methods like these but they all involve editing cmdline.txt and then booting with a monitor and ...
7
votes
3answers
9k views

Debugging USB OTG Serial on the Pi Zero W

I have a whole bunch of Pi Zeros and Zero Ws. I've flashed SD cards with the latest Raspbian Jessie Lite, and I've followed the instructions at https://gist.github.com/gbaman/...
6
votes
3answers
3k views

How to install PiTFT and use to the GPIO for other usage (like serial console)

I am about to install PiTFT on a RPi model B. However, doing so, I will lose the GPIOs for other usage (like a serial cable cable, for instance). Is it possible to install a PiTFT and still have a ...
1
vote
2answers
732 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 ...
5
votes
2answers
8k views

Garbage on Raspberry Pi console

Hey! There's a solution under the question, go look... I'm using the Adafruit USB to TTL connector purchased from Microcenter. I have two separate parts, and have tried them both. I've wired it 6/...
9
votes
4answers
9k views

Colored console over serial connection?

I am accessing two of my Pis via a serial connection on pins 8 and 10. One of them uses a serial to USB connector for my Mac and the other uses an HC-06 which connects to my Android. The console/...
3
votes
3answers
5k views

connecting a USB to Serial TTL PL2303HX to Raspberry Pi

I have a USB to Serial TTL PL2303HX (Prolific chipset) that I would like to connect to my Pi. My Pi model is 2011.12. The USB to Serial adapter has 5 PINs labeled as follows: 3V3 TXD RXD GND +5V I ...
1
vote
1answer
1k views

Mini UART Bluetooth PAN on Pi Zero W

I followed these instructions to enable a Bluetooth PAN on my Raspberry Pi Zero W. It mostly works fine, but it occupies a serial port. I need UART (mounted at /dev/ttyAMA0) for serial communications, ...
1
vote
3answers
315 views

Reading time off of a cellular modem with python 2.7 and pyserial

TL;DR: I need to read the time off of my Hologram Nova USB cellular modem on /dev/ttyACM0 and update the system clock after the pi restarts. I'd like to do it in Python but it isn't reading the ...
1
vote
1answer
3k views

Start “getty” service in Raspbian to Login to Pi using Serial console

I am following this tutorial to setup login using UART serial console. When I run screen /dev/ttyACM0 115200 from my Ubuntu desktop, the serial port opens and if I restart Pi, I am able to see the ...
1
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0answers
295 views

xterm-256color behavior on Mac OS X

I have succeeded getting a minimalist connection between my Mac and my Raspberry Pi (RPi). With one USB-Serial adapter cable, I login to my RPi and do command-line work, even using Vim to edit files, ...
1
vote
0answers
2k views

Can't Login to Pi0 console from Pi3 B+ via UART Serial USB-TTY Adapter

I am new to RPi's so bear with me please: I am trying to log in to the Pi0 console via sudo screen /dev/ttyUSB0 115200 but I just get a blank screen. Ouput of dmesg | grep tty: [ 0.000000] ...
1
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0answers
1k views

Send data from arduino ble to raspberry pi 2 as serial over bluetooth

Im trying to send data from an arduino with integrated ble (bluno nano from DFRobot) to a raspberry pi 2 which has an hm10 ble module connected to its serial0 gpio14 and 15 pins. I link the devices ...
0
votes
1answer
7k views

Using a Console Cable, Error “Could not find PTY”, MAC

I'm trying to follow AdaFriuts tutorial on using a Pi over a serial cable on my Mac, link bellow, and I'm stuck with an error that reads "Could not find PTY" despite having all the right GPIO ...
0
votes
1answer
990 views

Internet Access over USB to TTL Console Cable

I have a USB to TTL Console Cable that came in my Raspberry Pi Starter kit and I was wondering if it would be possible to access the internet through it? I'm guessing it would be much slower than an ...
0
votes
2answers
2k views

redirect console output from PI to my PC/laptop

Is it possible to redirect PI console output so that I can view the output on another PC/laptop? As the PI does not have a serial port, is there an alternative approach I can use that does similar to ...