I solved the problem (3.3 volt and some voltage values are coming to beagle
pins before the processor comes up) with a load switch. Its enable voltage
comes from the SYS_RESETn.
https://www.dropbox.com/s/7hocodvoeib2q76/valve_drive.pdf
After install the *switch load *on my board, the 3.3 volt i
Hi,
OK i solved the 3.3V problem with a load switch, thanks again.
One more thing, i put the BBB inside a box and need to check the power led
without open the box. So i'm trying to move the BBB's power led outside of
the box.
I find the pins of user leds in the BBB_SRM;
USR0 --> GPIO1_21
US
Hi,
Thank you for your reply.
Headers;
J1-J2-J3-J4-J5-J6-J7-J8-J18-J19-J20 / headers of valves,
J17 / header of pump,
J12-J13 / headers of digital input,
J9-J10 / headers of 12 volt and ground,
J14 / header of analog input.
Grounds are not tied together because high current switch is occur in o
Hi guys,
I run 12V valves(insulated channels) and read pressure values by I2C with
my BBB board. I don't understand what has happened but two BBB were broke
down with this board.
When i am plugging in my power supply; one of the broken BBB's LED is not
work, the other one's LED is on but does