Questions tagged [beaglebone]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
2 votes
2 answers
54 views

I2C BME688 Read Request Sent, but no data received

As the title suggests, im interfacing with the BME688 using I2C. The signal I captured using my logic analyzer is shown below. The slave address is 0x76 and register address im trying to read is 0xD0. ...
lrdewaal's user avatar
1 vote
1 answer
425 views

Troubleshooting RS485 UART comms on BeagleBone black or AI

I wrote the following code to trouble shouting the RS485 communication aspect of my firmware. I use either a Beaglebone black or AI equipped with the cape COMMS 2 (which as a built-in A/B RS485 ...
Stéphane de Luca's user avatar
0 votes
0 answers
19 views

Which wall charger for Beaglebone Green Wireless? [duplicate]

I'm trying to find an appropriate wall charger to power my Beaglebone Green Wireless (BBGW) through Micro-USB port. Wall is 220v 50Hz. Hardware Overview reveals a TPS65217C Power Management IC (PMIC). ...
Darren Ng's user avatar
  • 173
2 votes
0 answers
283 views

CAN bus traffic is destroyed for unknown reason

I am a bit stuck with connecting several STM32F405 with BeagleBone black via CAN bus. Strange things happen when I connect 3 stm32 and 1 BB. I have checked that BB works perfectly with any ...
Юрий Камнев's user avatar
1 vote
0 answers
168 views

Determine when Beaglebone has shut down (we we know when it's safe to cut the power)

As I understand, like most Linux systems, it's not recommended to simply pull the power from Beaglebone. Instead we should shut it down, either by pressing the power button or running a Linux command. ...
Bruce's user avatar
  • 269
0 votes
0 answers
177 views

Using a BeagleBone board as a serial terminal server

I am trying to use a BeagleBone Green Wireless board as a serial terminal server. That is, connect USB-UART cables to the USB ports to control other serial devices when I log into it over the ...
Engineer999's user avatar
1 vote
1 answer
218 views

Why can't the bootloader save and log messages for us to view later [closed]

I have a problem whereby a remote BeagleBone device is taking hours to boot up. When it does, I don't see any problems in the kernel boot logs such as journalctl -b or journalctl -b -1 Without having ...
Engineer999's user avatar
3 votes
1 answer
304 views

How to use the BeagleBone's PRU with a modern kernel?

I am trying to implement a basic LED blinking program on the PRU. Up till now what I found are guidelines for old kernel versions (old in the sense 3.8 to 4.4 kernel version). Details of my ...
tinkerr_'s user avatar
0 votes
1 answer
418 views

Unable to interface BeagleBone Green with MCP3008 ADC using SPI

I am unable to interface MCP3008 with BeagleBone Green. I am trying to set communication in mode 0 (CPOL=0 CPHA=0), the built in frequency in dts is set to 1MHz. Things I have tried: Enable device ...
tinkerr_'s user avatar
1 vote
1 answer
281 views

How to interface Beaglebone with a temperature condtioner with 0-10V as output?

i have a beaglebone card, a temperature sensor PT100 and a temperature conditionner. I'm new in beaglebone, as i see the ADC is already in beaglebone but the voltage is mx = 1.8V With my industrial ...
Ian's user avatar
  • 13
0 votes
2 answers
192 views

Hardware implementations for a low-cost ADC array project

I wonder what would be the best hardware platform or architecture for implementing and building a lowish-cost system to sample audio capture over a large array of microphones or sensors? say, 300 or ...
lurscher's user avatar
  • 139
-2 votes
1 answer
104 views

Connecting Temperature sensor EVAL board (ADT7516) to the BeagleBone Green [closed]

I have a BeagleBone Green and an evaluation board of the temp sensor (ADT7516). I also have a 4-pin female jumper to grove 4 pin conversion cable. I am not an electronics student and have no idea ...
Shreeya Patel's user avatar
3 votes
3 answers
420 views

Yet Another question on using GPIO to short a remote push button

OK, I bought this little remote-controlled Ac outlet thing for $1. It controls 3 outlets via RF. I didn't realize it was RF at first, but I currently have my BeagleBone Black doing a bunch of home ...
Evan Langlois's user avatar
2 votes
1 answer
729 views

How does this battery protection IC prevent overcharge/overdischarge?

As I was trying to understand how BeagleBone Blue is handling battery management, I encountered a battery protection IC (S-8261). How does S8261 prevents overcharging and overdischarge? (ELI5) ...
pmundt's user avatar
  • 105
0 votes
1 answer
3k views

Data acquisition with Python on a Beaglebone Black - Increasing sample speed

This is my first foray into programming and using a BeagleBone Black. I have some limited experience in Python, and have used this within the provided Cloud9 IDE in order to capture data and write ...
chopboy's user avatar
1 vote
1 answer
880 views

Is 1.8V UART compatible with Beaglebone Black?

I want to use a 1.8V UART cable with my Beaglebone Black? Is it possible as typically the Beaglebone supports 3.3V UART level. I am aware that I can use a level shifter for this purpose, but my ...
JN_21's user avatar
  • 11
0 votes
1 answer
530 views

Beaglebone: Unable to boot with custom cape

I made a custom cape (attached) for my beaglebone black and when I connect it, the beaglebone doesn't boot, only the power led turns on. I'm booting from an SD card and I have disabled the HDMI and ...
Carlos Kometter's user avatar
1 vote
1 answer
3k views

Use BBB analog inputs with 0..5V or 0..10V

I plan to use the BeagleBone Black analog inputs for sampling of analog data. But there are some major problems for this: BBB allows a maximum of 1.8 V analog input voltage while I have 5 V or 10 V ...
Elmi's user avatar
  • 123
1 vote
0 answers
183 views

Xbee TX pin voltage wrong when booting with UART connected

I'm interfacing an XBee PRO 900 HP with a Beaglebone Black using UART5 on the BB. I'm using the 5v interface board from Adafruit (XBee Adapter kit - v1.1) I'm have been having intermittent problems ...
cynik's user avatar
  • 9
5 votes
0 answers
739 views

How would one clone a BeagleBone? [closed]

tl;dr: Assuming I'd had a BeagleBone perfectly manufactured from the open-source schematics+layouts, what would be necessary to get it to the same level of functionality as a newly-unboxed BeagleBone? ...
Mark K Cowan's user avatar
0 votes
0 answers
512 views

Possible to use both CS1 and CS2 for SPI1 on Beaglebone?

I need to connect two SPI devices to Beaglebone. According to the documentation both SPI1_CS0 and SPI1_CS1 are available on the extension header: SPI1_D0, SPI1_D1 and SPI1_SCLK are available on P9[29]...
Jonatan's user avatar
  • 111
0 votes
3 answers
1k views

How can I connect BeagleBone to 2 slaves with 1 "Chip Select" pin?

I have a BeagleBone white and I want to use it as a master which is connected to 2 slaves via an SPI connection. Besides SCLK, DIN, and DOUT there is one pin of chip select "CS" "just ...
berem's user avatar
  • 61
2 votes
1 answer
969 views

Beagle bone black PRU program using DDR3 RAM

Could the beagle bone black receive input data from GPIO pins using PRU and then write it on the DDR3 RAM? It's known that you could use shared memory for this. But I wonder if it is also possible to ...
SD11's user avatar
  • 563
3 votes
1 answer
539 views

Low-Power Video Transmission for IoT

I am currently developing an apparatus for feeding and monitoring my dog remotely. The basic idea is to make this using 2 main components: The first component will be composed of a camera pointing to ...
DSte's user avatar
  • 45
2 votes
2 answers
2k views

A protecting circuit using GPIO of the BeagleBone (Black or Green)

I'm really trying to develop a cape since I need to use 7-8 GPIO-Pins of my BBB Green and Black as Output. I'm too afraid to destroy the board somehow, so I was thinking to implement a solution which ...
Dave's user avatar
  • 135
1 vote
2 answers
711 views

From Proof of Concept on BeagleBone to Prototype

I've been developing a project with a BeagleBone Black and some other accessories connected to it as a proof of concept. Now, I wish to create a Prototype on my own leaving the BeagleBone behind, with ...
DSte's user avatar
  • 45
0 votes
1 answer
206 views

Microcontroller to Beaglebone data handling

I have an STM32F0 microcontroller wich is controlling an RS-485 bus interface. The sensors on this bus are providing 220 bytes of data every millisecond. I want to get the data from the ...
Teus's user avatar
  • 1
1 vote
1 answer
154 views

How to connect a 4D display to a beaglebone black?

I am fairly new to all this so sorry if this question is rather trivial. I have a 4D Picasso Display (28PTU-Pi) and I want to connect it to my Beaglebone board. So plugged the usb cable into the ...
Paul Bernhard Wagner's user avatar
-1 votes
1 answer
501 views

Check GSM Module Status

I tried to send "AT" command via UART at some baudrate to my Cinterion BGS2T, and I am always getting response "ERROR". I get error on every AT command. How can I know what is wrong, or how to check ...
Junior's user avatar
  • 1,019