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Component identification in a touch operated light switch

Nigel Goodwin

Super Moderator
Most Helpful Member
I thought about that, as I have actually done some Arduino programming, but I don't know of an 18 pin Micro-controller like the Arduino? I did find one 18 pin one called the Geni 18, power pins the same, but clk and dta on the wrong pins, I wonder if this chip is some Chinese obscure little controller like a mini Arduino, the Seeduino is to small, there are just too many types to troll through, Just for a giggle I emailed the customer service and asked them if they would be so kind as to inform me which Microcontroller is used in the switch, Nothing yet :) Can bootloaders be used with some pic chips then Nigel? I guess if they program them at the factory from the edge connector then surely the bootloader will still be in it?
Yes, PIC's can use bootloaders, I presume most controllers are capable of it. I played with PIC bootloaders a VERY long time ago - I even wrote a version of WinPicProg that would upload files to a PIC with a (specific) bootloader installed.

There are a number of PIC bootloaders available here:


or here:


I even seem to remember MicroChip themselves provided one, as an appnote perhaps?.

The Arduino isn't actually a micro-controller - it's a development system that includes a micro-controller - often an AVR, but also a wide range of other processors, including some PIC's. Apparently the original idea for the Arduino was PIC based, but MicroChip weren't prepared to provide a free compiler for it - Atmel were, the rest is history :D

However, thinking on - it wouldn't help you anyway, bootloaders can only upload code (as far as I know), so you couldn't use one to read the contents, even in the unlikely event that it's not write protected.
 

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