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Preemptive vs. Cooperative Multitasking
I once set up an "always ready" interface on the original Macintoshes, the idea being to eliminate any watch cursor for the GUI interface. Long tasks could call CheckEvent a few...
Wednesday, 4 February 2015 - 18:09
Beginners Oscilloscope
Lots of helpful people in the yahoo repair group:   http://groups.yahoo.com/neo/grou...   When I don't need the bandwidth of the 465 I use an xprotolab powered by a...
Thursday, 22 January 2015 - 17:09
WireShark Zigbee sniffer for Win7
Works on Windows 7 64 bit home premium and pro for sure, but I can't remember what was needed to disable driver signing.  Don't know about Windows 8.  
Saturday, 27 December 2014 - 12:16
WireShark Zigbee sniffer for Win7
RNDIS is a supported interface in most Windows and *nix distributions. In windows you need the right .INF file to associate the VID/PID with the built-in driver.  The raven-...
Friday, 26 December 2014 - 23:12
WireShark Zigbee sniffer for Win7
Ah. Don't know how good your sniffer is for your application, but the DOT4 tools sniffer is pretty fast (gets hardware ACKs in a packet burst as long as the circular buffer does...
Friday, 26 December 2014 - 17:39
WireShark Zigbee sniffer for Win7
I don't know anything about the "Wireshark firmware", but Wireshark itself has GUI that taps into existing interfaces using Winpcap.  So what interface does Wireshark show it...
Thursday, 25 December 2014 - 20:39
Solar Tracking System using Analog Comparator Interrupt
   _delay_ms(50); Not usually a good idea to delay during interrupts, but may be ok if there is no more code in the program.      (i+3)%4; does nothing.
Monday, 22 December 2014 - 13:07
Please share with me your experience in building Data-Logger
Strain gauges glued to the outside of gun barrels can measure the internal pressure without any penetration, so I expect an internal strain gauge could record external pressure....
Thursday, 18 December 2014 - 19:10
ContikiOS on atmega128rfa1
You have to set the avrdude parameters for your particular configuration. The /cpu/avr/Makefile.avr does %.u: %.hex     $(AVRDUDE) $(AVRDUDE_MCU) $(AVRDUDE_OPTIONS...
Saturday, 13 December 2014 - 17:30
Detect broken RF in atmega256rfr2?
Can you get debug prints to show that A) transmission attempts are being made, and B) the status register shows they are successful?   One reason for no tx in in extended...
Wednesday, 26 November 2014 - 13:41
RZUSBSTICK Windows
All jackdaw builds should have a working sniffer mode, here is an old one from sourceforge: http://sourceforge.net/projects/... http://cydanil.net/wiki/index.ph...   Contiki...
Wednesday, 12 November 2014 - 22:18
RZUSBSTICK Windows
Windows needs an .inf file to associate a driver with the USB device reported vendor and product ID. If the stick is enumerating you can look at the VID/PID in the device manager...
Wednesday, 12 November 2014 - 17:06

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