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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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 ...
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BeagleBone Black Driving NFETs w/GPIO

In short, I want to drive some NFETs directly from some of the BBB's GPIO. 3 of the NFETs will pass 1-3 Amps of D-S current and 1 NFET will pass <1 Amp from the D-S. As you may know the BBB's ...
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Design Review: 3.3V Logic to 12V Logic (Uni-directional and Bi-directional)

I'm looking for feedback and improvements on my design below. Specific questions are at the end. I created this as an attempt to answer my own, previous question. From my feedback there, it seems like ...
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No output for C++ GPIO code for beaglebone black

could anyone tell what could possibly be wrong in the following C++ code for enabling and setting pin no 49 (p9_23). I am directly checking the output on multimeter. ...
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375 views

Flashing MCU using JTAG ICE 3 / Avrdude / Beagle Bone Black

I am in need of flashing ATmega1284P using Beagle Bone Black. I have JTAG ICE 3 connected via USB cable to Beagle Bone Black with Debian GNU/Linux 7 (wheezy). I have compiled version of Avrdude 6.1 ...
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192 views

Beaglebone Black - Power sensors after boot

I am new to electronics and want to build a small thermometer/humidity sensor powered by a beaglebone black to get started on something practical. My issue is that the board doesn't start when the ...
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141 views

Beaglebone black + serial enabled LCD

I'm trying to interface a SparkFun Serial Enabled 16x2 LCD (3.3V) to a Beaglebone Black. Since the beagleboard has on-board 3.3v and ground, I used that for the power to the LCD. For the 3.3v TTL ...
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860 views

beaglebone black doesn't autoboot when powered over jack or vdd pins

I have a BBB and it works quite well however when I power it over the Barrel connector or over the vdd pins rather then use the usb connection it doesn't automatically boot. When I put the barrel ...
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94 views

Cape to ease sensor interface on Beaglebone

Is there a "cape" to make wiring sensors into a Beaglebone easier? Whenever I read some guide for wiring a sensor into the Beaglebone (like this one) it always recommends attaching wires directly to ...
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1answer
55 views

Configuring UART TX and RX pins to accept CAN TX and RX signals

The microprocessor I'm using, the BeagleBone Black, has an option to send CAN messages to/from it through the UART Tx and Rx pins. I'm not sure, though, if this is a 1:1 translation (i.e. the UART TX ...
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33 views

STM3F405RG CAN bus issue

I encountered stange behavior of stm32f405rg while working with CAN. My setup: beaglbone black connected to stm over CAN bus. Data transmitted successfully, beaglbone is able to receive data correctly ...
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27 views

BeagleBone Black Pins Stuck on High

I have written a function in C++ that uses the kernel mmap function to toggle the value of GPIO pins. This works fine for many other pins, but I tried to use it on ...
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122 views

Any Issues Getting BeagleBone Black Wireless to run off of LiPo with Diode Fix?

This helpful question pointed me into the right direction for powering the BBB with a 3.7V LiPo battery. However, as this answer demonstrated, I won't be able to give the WiFi/BT module power in doing ...
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58 views

Building Starterware projects in CCSv8 using GCC

I'm new to BeagleBone and Code Composer Stadio; I want to build a Starterware Project in CCSv8; I installed Cygwin GCC and Linaro in my computer; I follow the instruction of below TI Wiki page and ...
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61 views

BBB Flashing Loop

So generally I have no problem flashing my BBB with the SD I have. I do it all the time, and it works on most board. However occionally it gets stuck in this "loop". It will flash the device ...
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92 views

Digital Potentiometer Not Working

I am trying to control an AD5206 digital potentiometer on a PocketBeagle (smaller Beaglebone Black essentially). I have an entry in my device tree for spidev, and I ...
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360 views

Stepper Motor Calculations

I am currently struggling to determine some parameters of a stepper motor I am using. I am trying to calculate the number of pulses per second I can deliver to the motor reliably. This is relatively ...
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321 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]...
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236 views

BeagleBone Black reboots when connected with HDMI Display

I am working on BeagleBone Black board (Debian running on it) and it is working fine. Now I want it's Linux GUI on screen, to do so I have connected BeagleBone Black with HDMI cable. Now, when I ...