Hi all, Thanks very much for the responses.
@acidrock23, what I had in mind was something like in this picture pasted here, remember when i said spring balance.
I wanted to add a hook, may be extendable using a good steel wire or something better which would come out of the phone as it is hooked to a bag or bowl or something, say like it is elongated. Also, a high tensile strength material could be used(?) for the wire and there would anyway be some max weight that we could weigh. The weight could be displayed "digitally" on the phone screen and selecting the type of food we are weighing will give us the number of calorie content, nutritional value, etc. Not sure if this idea is already being developed somewhere.
With your permission, I would like to post this item on my blog. @Moderator, please let me know if this is fine??
@catherinejanevancak, thanks very much for supporting my idea.
@Jen, thanks for sharing info about something similar.
@Emmy, excellent description, would have to take some time out to read through. And also, thanks for all the links.
@tmana, I also like to eat home cooked food, but that is not always possible. Also, thanks for the clarification regarding "serviing size".
@theresa goerner, my son is around 4yrs old. But thankfully, i am the only one diabetic.
@lila, usage of "SUB" was just metaphorical, I could eat at a pizzeria or any other restaurant as well. I like the way you describe your mind working "endogenously". Also, we Indians especially south indians are rice-eaters, so there is a lot of starch in the food. Parathas, rotis, phulkas cooked hot and eaten is much better than having frozen ones.
@Emily, great math for the entire family, are you in a teaching profession by any chance?
@ultravires, we are what we repeatedly do, hence i think its good to stick to a good set of restaurants and to a particular set of menu items. Of course, like all the others, i do get tempted when i see ice-cream or sweetmeats.
@RonDoyle, i am very much happy to learn that you can survive so many years with T1 diabetes, your story gives people like me hope.
Thank you all. Cheers.