Electrical Engineering Stack Exchange
Electrical Engineering Stack Exchange

Questions tagged [beaglebone-black]

The 'black' is a version of the Beagle board, a single-board computer powered by an ARM CPU running Linux.

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How much power can be supplied over Beaglebone Black's USB?

I'm using Beaglebone Black. How much power can I provide over USB to an external device? I have read the specifications, and the information I found was 2 amps to the board should be good enough to power external device. What I don't know is how…
Timothy Clemans
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Advice regarding Remotely Operated Vehicle (ROV) control scheme?

Please let me know if this question isn't specific enough, I'll be happy to clarify. I am looking at various options for a control scheme for my underwater robot. I am in school and it is my job to design the control systems that the robot It uses…
t72
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Protection of BeagleBone Black from eMMC corruption on power loss

I'm considering an application where a BeagleBone Black, preferably running one of the recommended Debian images loaded in eMMC, is powered by a 5V source that can be removed at any moment. I want to prevent catastrophic data loss in this event,…
fgrieu
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Beaglebone GPU usage

The beaglebone uses TI AM335X SOC which has a SGX530 3D Graphics Engine. I wish to know if there is a single open source operating system available in the world wide web capable of using the beaglebones GPU. Currently I believe the DRM graphics…
Denis
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Safety of using microcontrollers such as Arduino

I have been learning how to work with Arduino Uno R3, and it seems very intuitive and exciting for me. As many agree, I see lots of benefits of learning to use it at a young age. I would like to start a volunteer class for the local kids in my…
KZcoding
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Baudrate of DS18B20

I'm trying to connect a DS18B20 to my Beaglebone Black. Now I wan't to determine the Baudrate but can't find it in the Datasheet of the DS18B20. In the internet I saw different ones (9600, 19200). Can I simply choose one the Sensor pick's up on it?…
magu_
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What is the most efficient way to power a solar computer (5V) from a 12V lead acid battery?

My project: Power a Beaglebone Black (BBB) entirely from solar energy. Obviously energy efficiency is crucial here. My setup so far: PV panel connected to a deep-cycle lead acid battery. Now I need to get from the battery's 12V to 5V (2A) for the…
n1000
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Beaglebone Black ROV Control Scheme

I am looking for some advice regarding my control setup for an ROV and how to make it as smooth as possible. Currently, I have two arcade style joysticks with standard micro switches inside. How I envision the system working is like this: Joystick…
t72
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Purpose for Shunt Resistor on Opto Isolator Input?

I was looking at a BeagleBone Black Cape and became curious on an input circuit to the BeagleBone GPIO (used for a NPN proximity sensor). Upon further reverse designing, I notice a // 220Ω shunt resistor (R1) with the LED. I have a basic…
Steve
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Beaglebone Black Power Switch Detection

I've looked around and found a bit of information regarding attaching a 3.7V lithium battery to the BBB (Beaglebone Black) but I haven't found an exact answer to what I am looking for. I understand that the battery voltage, when connected, can't be…
Wired365
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BeagleBone Black CAN bus setup

I am trying to connect to a CAN bus network with my BeagleBone Black and SN65HVD230. I've connected it like in the picture. I am running: root@beaglebone:~# cat /etc/dogtag BeagleBoard.org BeagleBone Debian Image 2014-04-23 I loaded kmodules: sudo…
user505160
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Is BeagleBone Black a microcontroller or computer?

I started working on BeagleBone Black, and I cannot find out whether BeagleBone is a microcontroller, or some kind of computer? If computer, what makes it a computer? I worked on different Cortex-M microcontrollers, but I am not sure what BeagleBone…
Junior
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BeagleBone Black LED current/brightness

I'm in the process of designing a PCB that includes 10-15 LEDs. It's battery-powered, so I'd like to use as little power as possible. As such, I've been trying to figure out how little current the LEDs need to still appear relatively bright. As an…
user44184
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Linux enc28j60 driver always times out on transmit

I've wired up an ENC28J60 module with an SPI interface to a Beaglebone Black development board running Linux 3.8, but I cannot get the device to TX (or RX) anything. Every attempt to TX times out and increments the TX errors. Originally, the driver…
sholsapp
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How to disconnect voltage from BeagleBone Black expansion pins?

I'm trying to create a cape that will safely power my BeagleBone Black from my car's electrical system. The design I am using is based on the one from this answer. The circuit there suggests a simple voltage divider to connect the ignition switch to…
Dominick Pastore
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