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Old 27th February 2007, 06:41 PM   (permalink)
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Hmm, well, you've convinced me I honestly thought that programming timing was completely controlled by the programmer...why does the JDM programmer work then? (no ICSP, no osc, just a socket)

In all my testing I also snapped of a leg or two, so I'll just permenantly solder it to a small bit of stripboard, and mark it as suggested. useful chip though, 8Mhz internal osc, SPI, ADC and host of other goodies.

Blueteeth

Edit: OK so I spoke too soon...its not even being recognised now...its picked up as 'connected' and being a 819, but thats all she wrote I'll add it to the pile of 'things to recieve high voltage'
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Last edited by Blueteeth; 27th February 2007 at 06:48 PM.
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Old 27th February 2007, 06:47 PM   (permalink)
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Quote:
Originally Posted by Blueteeth
In all my testing I also snapped of a leg or two
You should do what I do, I fit my working PIC's in turned pin sockets, then plug that into a normal socket on the board. The turned pin socket has nice straight pins so plugs and unplugs easily, and if you break a pin off it you can just replace the socket. In all my years (in double figures) of PIC programming I've never broken a pin off a PIC, or even off one of the turned pin sockets!.

I'd like to claim it was my idea, but Don McKenzie (Dontronics) used to do it as well!.
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Old 28th February 2007, 02:36 AM   (permalink)
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During development where I need to remove the PIC I also use sockets to protect the pins. But I use same cheap tin plated sockets that I use in most of my work. They do not work in some breadboards but work well when plugged into other sockets.
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Old 28th February 2007, 06:04 AM   (permalink)
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Quote:
Originally Posted by Nigel Goodwin
You should do what I do, I fit my working PIC's in turned pin sockets, then plug that into a normal socket on the board. The turned pin socket has nice straight pins so plugs and unplugs easily, and if you break a pin off it you can just replace the socket. In all my years (in double figures) of PIC programming I've never broken a pin off a PIC, or even off one of the turned pin sockets!.

I'd like to claim it was my idea, but Don McKenzie (Dontronics) used to do it as well!.
I have a different experience with turned pin sockets-- when I try to remove the IC, the inserted shaped coller comes out of the turned pin and holds with IC pin and later falls off
and if we loose site of this we will be forced to replace that pin. and if more collers are missing, then the base itself.
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Old 28th February 2007, 06:20 AM   (permalink)
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You don't take the IC out of the turned pin socket, it becomes a permanent part of it - but you must be using some cheap and nasty sockets if they fall apart?.
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Old 28th February 2007, 12:54 PM   (permalink)
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I always use sockets, but that isn't really what this thread is about, I only broke the pins through rough handling and constant plugging/unplugging the PIC in and out of various breadboards/programmers. Still usable, but an IC with broken pins is better off being soldered directly to a PCB, that way you can use little wires to solder to the broken pins. Its only a 819 anyway, 90p worth of hardware. And it'll help me work out just what is the most convenient 'stripboard -add-on' to a breadboard. - still can't believe how odd its behaving, no biggie, got 6 16F88's here looking at me funny, time to put them to work.

Blueteeth
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Old 28th February 2007, 03:26 PM   (permalink)
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Quote:
Originally Posted by Blueteeth
I always use sockets, but that isn't really what this thread is about, I only broke the pins through rough handling and constant plugging/unplugging the PIC in and out of various breadboards/programmers.
Blueteeth
When you are going to be moving a chip around protect its pins by placing it in a sacrificial socket. That is to say you plug the chip in the sacrificial socket, then plug that unit into your breadboard or PCB socket.

If you break a pin just replace the sacrificial socket and you are back in the game.
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