EEPROM shield?

[intuyu]

I wanted to use the EEPROM shield to load code from the digispark like a keylogger, but reading this forum I see that's not possible.

So what exactly can I do with a digispark that has all it's pins in use by the EEPROM shield? I assembled both as in the wiki, the digispark with the passthrough headers and the EEPROM shield with the male headers. Was this a mistake? I can't really think of anything that I could use it for. Even the sample sketch is to log input from one of the pins.... But assembled like on the wiki that's impossible. Anyone have any ideas or will I have to desolder it?

Here's a pic of what I mean. Can't connect it to anything so what's it good for?

[AlanSE]

Don't you want to solder the stackable headers on it?  I have several of these and they can work for the shields theoretically... but my soldering iron isn't small enough to solder the pins as it sits on the digispark.

I'm not sure how I'm going to get over that problem, but I'm guessing that I'll have to set it upside down and solder the stackable headers on from the bottom of the shield.  I always assumed the alignment would have trouble with this method but I guess we'll see.

[digistump]

Since you've already soldered it you could also solder up a proto shield/breakout shield/etc with stackable headers and stack that in between.


@AlanSE - I always solder the stackable headers form the bottom - if you're worried about alignment plug another shield into the top of them, then place the board on and solder the bottom.

[intuyu]

I have a proto shield but I also already soldered male headers like shown in the wiki.

I think this was just a huge overlook as the EEPROM shield doesn't come with stackable headers. I also remember reading to use the included male headers for all your shields, plus that's how it's assembled in the wiki. And if i desaulder and use the stackable headers from my other digisparks they still wont fit in the digispark that also has stackable headers.....

I have no idea what to do 

Can I put stackable headers along with the male headers at the same time?

[digistump]

intuyu - I agree that we might need a warning about stackable headers at the top of the instructions but we do clearly state at the header step on every shield instruction page


"Note: If you are using stackable headers, use them here instead of the standard male headers."


As far as it not coming with them, we tried to make it clear through the campaign and after that stackable headers were not included with any kits, only standard male headers were. This was to keep costs down, it would have added $1.50 to each kit. Whether they are required for a particular kit completely depends on the application - for example I have a EEPROM temperature logger where I put the temp sensor on a proto shield with stackable headers and the EEPROM has normal headers and is above it - I did this because then the EEPROM board helps shield the temp sensor from drafts. Every project is different, and since the goal is to make electronics cheaper, we try not to include expensive parts that might not be needed. Standard male headers cost about 3 cents for comparison.

And if i desaulder and use the stackable headers from my other digisparks they still wont fit in the digispark that also has stackable headers.....

I'm not sure I understand this - I think you may be confusing stackable headers with female headers


These are female headers - not stackable headers - for use on the Digispark itself: https://s3.amazonaws.com/digispark/images/m/digispark2.jpg


These are stackable headers for use on sheilds, so they can plug into a digispark and allow another shield to be attached on top: https://s3.amazonaws.com/digispark/headers.jpg


Notice the much longer pins on the stackable ones that extend through the board.

I have no idea what to do 

My suggestions would be: get some stackable ones and try to replace the ones you have soldered or get a proto kit and stackable ones and use it in between.  Or get a piece of perf board and make some sort of adapter to connect two shields - you could also do this on a breadboard for free.

Can I put stackable headers along with the male headers at the same time?

You can stack shields with stackable headers with a shield with regular male headers on the top of the stack.

[intuyu]

Yeah, I though female headers were passthrough headers. I bought some from Amazon and thanks to Prime I have 'em already and just finished soldering them. Sadly the kit I ordered just has double column 3 pin ones (6 total pins), not just 3 pins so I can't use the headers on the 5v/gnd pins.

I still can't test it because I need to cut the led connection from the board since I have a Model B, and my Xacto from amazon still hasn't gotten here.