(/usr/local/lib/PyBBIO/examples)
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Wisdom for BBB
https://graycat.io/
Device tree overlay and support scripts for using most available hardware I/O on the BeagleBone without editing dts files or rebuilding the kernel
https://github.com/cdsteinkuehler/beaglebone-universal-io
A GUI for the BB universal IO
https://github.com/strahlex/BBIOConfig
https://www.youtube.com/watch?v=By9foc1iJ3Q
https://github.com/cdsteinkuehler/beaglebone-universal-io/blob/master/config-pin
http://beagleboard.org/static/PumpingSt ... s.pptx.pdf
rotary encoders pinout
https://graycat.io/blog/
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"Errors were encountered loading footprints
IO_ERROR: http GET command failed
Cannot get/download Zip archive:
https://bugs.launchpad.net/kicad/+bug/1520376
fix:
https://raw.githubusercontent.com/KiCad/kicad-library/master/template/fp-lib-table.for-pretty
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https://www.beta-estore.com/rkuk/order_product_details.html?p=624
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http://sesmil.pl/en-kontakt.html
http://www.ztc.cz/?go=odkazy&id=47
http://www.schroff.biz/frontpanelexpress/index.html
http://cz.rs-online.com/web/p/regalove- ... a/6657661/
http://cz.rs-online.com/web/p/lepici-dr ... -_-0609297
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http://www.gme.cz/u-kk09-455-p072-203
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https://learn.adafruit.com/setting-up-io-python-library-on-beaglebone-black/uart
http://bradsmc.blogspot.cz/2013/05/exam ... tween.html
import serial
import time
import datetime
import re
serial = serial.Serial("/dev/ttyO1", baudrate=38400)
resp = ""
while True:
while (serial.inWaiting() > 0):
data = serial.read()
resp += data
if "\r\n" in resp:
now = datetime.datetime.now()
timestamp = "%02d/%02d/%d %02d:%02d:%02d" % \
(now.month,now.day,now.year,now.hour,now.minute,now.second)
matchObj = re.match(r'\^([0-9A-F]+)\r\n', resp)
print matchObj.group(1)
resp = ""
serial.flush();
serial.write(matchObj.group(1) + " OK: " + timestamp + "\n")
Return the number of chars in the receive buffer.
http://pyserial.sourceforge.net/pyseria ... .inWaiting
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>>> hex_str = "0xffff"
>>> list(struct.pack('!I', int(hex_str, 16)))
['\x00', '\x00', '\xff', '\xff']
>>> list(struct.pack('I', int(hex_str, 16)))
['\xff', '\xff', '\x00', '\x00']
list(bytearray(struct.pack('!I', int(hex_str, 16))))
>>> list(bytearray(struct.pack('!I', 65534)))
[0, 0, 255, 254]
>>> list(bytearray(struct.pack('!H', 65534)))
[255, 254]
x pad byte no value
c char string of length 1 1
b signed char integer 1 (3)
B unsigned char integer 1 (3)
? _Bool bool 1 (1)
h short integer 2 (3)
H unsigned short integer 2 (3)
i int integer 4 (3)
I unsigned int integer 4 (3)
l long integer 4 (3)
L unsigned long integer 4 (3)
q long long integer 8 (2), (3)
Q unsigned long long integer 8 (2), (3)
f float float 4 (4)
d double float 8 (4)
s char[] string
p char[] string
P void * integer (5), (3)
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Master AngularJS and the Javascript concepts behind it, design custom directives, and build a single page application.
https://www.udemy.com/learn-angularjs/?couponCode=YOUTUBE119
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Enable the I2C devices on the BeagleBone Black
http://beaglebone.cameon.net/home/i2c-devices
PyBBIO, PinMux
https://github.com/graycatlabs/PyBBIO/wiki
https://github.com/graycatlabs/PyBBIO
Pinmux Map
http://www.element14.com/community/thre ... hread=true
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