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Raspberry Pi
There seems to be some way of doing real time tasks on a Pi.  I have a couple of them running Logitech Media Server, Kodi, and driving a stereo 24 bit dac via spi. Not...
Tuesday, 18 June 2019 - 18:23
I/O operating voltages between two ATMEGAs
If the chip is truly 5v tolerant then no problem.  You said two "atmegas", I'm just not familiar with any that are 5v tolerant, something new perhaps?
Wednesday, 12 June 2019 - 23:43
Who wants to write a Bootloader for ATMEGA32M1 and SPI EEPROM (job offer)
And... What usually happens when you try to remove a dip package with your fingers? There will be blood
Wednesday, 12 June 2019 - 23:03
I/O operating voltages between two ATMEGAs
The 3.3V should be OK with 5V input, that is, no need to level shifting or anything? Why should it be ok? (It is not) A read of the data sheet would be a good investment of your...
Wednesday, 12 June 2019 - 22:40
elevator programing code
I'd forget the 8th, Fire Department trucks can't reach above the 7th floor, anyway.
Sunday, 12 May 2019 - 06:05
elevator programing code
What about the other floors?
Saturday, 11 May 2019 - 18:06
Alank2 autoprogrammer issues
Awesome, you're welcome!  
Sunday, 14 April 2019 - 04:05
Alank2 autoprogrammer issues
Hi Jim, try this:   http://sadevelopment.com/misc/autoprog/autoprog_setup.exe    
Sunday, 14 April 2019 - 03:27
Blew a fuse, and then blew a fuse
I've had a couple of "events" myself 8)  I was using my portable Hitachi scope to observe the output of a 40 hp, 480 volt variable speed drive.  All I needed to do to...
Friday, 1 March 2019 - 05:59
Blew a fuse, and then blew a fuse
This reminds me of a cute Fluke story.  I was troubleshooting a Thermatool resistance welding system with a plant electrician.  We were perched on top of the oscillator...
Friday, 1 March 2019 - 05:36
"Pit Boss" grill temperature probe
Rtds, while not linear over a wide temp range, are pretty linear over small ranges.  You should be able to streamline your lookup down to just a relative few (10-20) points,...
Monday, 18 February 2019 - 22:16
WTS: Standalone PDI/ISP Auto Programmers
That is just a s cute as can be 8)
Friday, 4 January 2019 - 05:07

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