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Fixed my shot Chrony
Discussion regarding the reloading of ammunition and tuning of loads for accuracy
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Dimitri
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PostPosted: Mon Apr 08, 2013 8:36 pm    Post subject: Re: Fixed my shot Chrony Reply with quote

I think I see Microchips logo

upload.wikimedia.org/w...p_logo.svg

Which means it can very well be EEPROM, but in a SPI or other serial connection instead of the traditional parallel.

Dimitri

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gelandangan
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PostPosted: Mon Apr 08, 2013 9:23 pm    Post subject: Re: Fixed my shot Chrony Reply with quote

I doubt it is SPI since pin 7 on 8 pins SPI chips are usually an SDO pin and on board the PCB tracks shows that it is grounded.

Whereas on I2C chips, pin 7 is address pin so it can be high or low.


PS. LOL.. I am only a Gold Level Design Partner for Microchip Cool Razz

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Dimitri
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PostPosted: Mon Apr 08, 2013 9:28 pm    Post subject: Re: Fixed my shot Chrony Reply with quote

Could be Geland, have not used one of Microchips serial memory IC's in a while, nothing I do really needs dedicated memory. I have a few though just incase I end up wanting and not having. Laughing

Dimitri

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gelandangan
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PostPosted: Mon Apr 08, 2013 9:35 pm    Post subject: Re: Fixed my shot Chrony Reply with quote

Of late, most of my design uses built in EEPROM if the data requirement is up to 1024 bytes.

Any larger I would sooner to use Micro SD than EEPROM chips.
Micro SD variants is somewhat cheaper than EEPROM in bulk rate, and with proper coding you can store up to 64 GB of data!!

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Dimitri
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PostPosted: Tue Apr 09, 2013 1:58 pm    Post subject: Re: Fixed my shot Chrony Reply with quote

I've only really played with 8-bit AVR's and now went to 16-bit MSP430's, with a bit of TI's C2000 Piccolo thrown in.

I'm no where near needing a SD card just yet. Laughing

Dimitri

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gelandangan
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PostPosted: Thu Jun 13, 2013 6:23 pm    Post subject: Re: Fixed my shot Chrony Reply with quote

grey_ghost wrote:

What marking has chip located at right bottom corner of PCB ?
What marking has capacitor located near this chip (top left corner of chip) ?

Ok, Unpacked my car, find the Chrony, opened the damned thing and here is what I found..

The IC is a Microchip 24C01 I2C 1KB EEPROM very common variant of EEPROM
The capacitor is 100nF

Re assembly the chrony, repack the damned thing inside the car and I realized that I should have taken a photo.. Confused
Can't be bothered to do it now..

Maybe one day I will explore the empty slots and switches.

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Dimitri
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PostPosted: Thu Jun 13, 2013 6:25 pm    Post subject: Re: Fixed my shot Chrony Reply with quote

Geland,

It's is ironic you posted on this thread again. The wife bought a keyboard half a year ago and never actually figured out why it didn't work.

Brand new Microsoft keyboard ... so I decided to dissemble it today and figure it out ...



I am currently waiting for my soldering iron to warm up abit browsing email and this popped up. Very Happy

Dimitri

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jcruthis
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PostPosted: Mon Jun 17, 2013 9:03 am    Post subject: Re: Fixed my shot Chrony Reply with quote

wow! i have trouble just figuring out how to use my chrony. let alone tearing it apart and fixing it...well im sure i could tear it apart, but
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Bushmaster
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PostPosted: Mon Jun 17, 2013 9:06 am    Post subject: Re: Fixed my shot Chrony Reply with quote

Don't have that problem...I send it to the manufacturer and they fix it [for free] and send it back. Unless I shoot it.

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MacD
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PostPosted: Mon Jun 17, 2013 1:30 pm    Post subject: Re: Fixed my shot Chrony Reply with quote

I put vinegar, salt and ketchup on my chips :-p

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Bushmaster
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PostPosted: Mon Jun 17, 2013 1:55 pm    Post subject: Re: Fixed my shot Chrony Reply with quote

Bit [strange] English aren't you (the ketchup)? I use mayo myself.

Salt and vinegar chips are a main staple around here, but what does that have to do with Chronograghs??

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Last edited by Bushmaster on Mon Jun 17, 2013 2:10 pm; edited 1 time in total
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Aloysius
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PostPosted: Mon Jun 17, 2013 2:04 pm    Post subject: Re: Fixed my shot Chrony Reply with quote

Bushy, I don't think Mac's chips carry the Microchip logo...
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gelandangan
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PostPosted: Mon Jun 17, 2013 3:58 pm    Post subject: Re: Fixed my shot Chrony Reply with quote

I like my chip plain or lightly salted.
OTOH, some Chicken and Onion flavor is welcome too sometime.

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gelandangan
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PostPosted: Mon Jun 17, 2013 6:11 pm    Post subject: Re: Fixed my shot Chrony Reply with quote

Rural Australian Computer Terminology

A bit of Aussie culcha.

LOG ON: Adding wood to make the Barbie hotter.
LOG OFF: Not adding any more wood to the Barbie.
MONITOR: Keeping an eye on the Barbie.
DOWNLOAD: Getting the firewood off the Ute.
HARD DRIVE: Making the trip back home without any cold tinnies.
KEYBOARD: Where you hang the Ute keys.
WINDOW: What you shut when the weather's cold.
SCREEN: What you shut in the mozzie season.
BYTE: What mozzies do.
MEGABYTE: What Townsville mozzies do.
CHIP: A bar snack.
MICROCHIP: What's left in the bag after you've eaten the chips.
MODEM: What you did to the lawns.
LAPTOP: Where the cat sleeps.
SOFTWARE: Plastic knives & forks you get at Red Rooster.
HARDWARE: Stainless steel knives & forks - from K-Mart.
MOUSE: The small rodent that eats the grain in the shed.
MAINFRAME: What holds the shed up.
WEB: What spiders make.
WEBSITE: Usually in the shed or under the verandah.
SEARCH ENGINE: What you do when the Ute won't go.
CURSOR: What you say when the Ute won't go.
YAHOO: What you say when the Ute does go.
UPGRADE: A steep hill.
SERVER: The person at the pub who brings out the counter lunch.
MAIL SERVER: The bloke at the pub who brings out the counterlunch.
USER: The neighbour who keeps borrowing things.
NETWORK: What you do when you need to repair the fishing net.
INTERNET: Where you want the fish to go.
NETSCAPE: What the fish do when they discover the hole in the net.
ONLINE: Where you hang the washing.
OFFLINE: Where the washing ends up when the pegs aren't strong enough.

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A smile is the shortest distance between two people.

Do - Not try!


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MacD
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PostPosted: Wed Aug 21, 2013 1:27 pm    Post subject: Re: Fixed my shot Chrony Reply with quote

Okay I shot the diffuser rods on my chrony today when the wind caused it to spin on thr tripod. The front one was just nicked but the back shot through. Was a 223 soft point. I met a fellow at the range who just an hour before it happened told me his buddy had shot this guy's first chrony. Talk about jinxed! Thankfully the chrony continued to work and I was able to finish my string.
I have some 1/4 stainless to replace the rods although maybe I should stick to aluminum :-) The day wasn't a complete loss as a shooter gave me 200 38 special and 50 357 magnum cases freshly fired. He didn't want anything for them but jumped at the offer to fire 30 rounds out of my 45 Colt 1873 Remington replica. Judging by his enthusiasm I think he got bitten with the western replica bug. Hope he does as I am the only local at the club who, to my knowledge, reloads 45 Colt.

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