I assume these have to do with the output ports, but I could not trace them for now. To the left near the PU ports are two tiny chips. In fact this one is a 16 Kbytes Flash, 48 MHz CPU (my first 486 when I was a teen ran at only 25 MHz). These chips are getting so powerful that their processing power and memory is approaching our first personal computers (but then for a fraction of the size, price and power usage). For the non-electronics people: a microcontroller is a computer on a small chip. I already guessed that since that is the same one they use in Boost. So it uses an STM32F030 micro controller. Not the best picture bu I focussed on making the IC's readable (and that worked quite well I think, you should be able to click on it for the larger / sharper version): you need of course also a bluetooth chip you need a motor controller (one can't directly control a motor from a microcontroller chip since motor draw too much current for such electronics and also often require a higher voltage) The 'grain circles' are the trick they used so that the knobs can be turned and the buttons will still ensure a proper reaction.įor now that's it for the controller. right into the PCB, hope the backside will show the traces for it :). I would have used a SoC, but they created everything of their own and integrated the antenna etc. The Bluetooth chip is de CC2640 by Texas Instruments: datasheet / details. I think they did a great job in designing the PCB, looks neat and tidy (although I am an CS/Informatics teacher I design / solder a lot of PCB's for one of our college research projects). I might also desolder the battery terminals so I can show the backside of the print as well. You can see the Bluetooth chip right in de middle. These are the internals of the train remote control. For now I chose the non-destructive path of least resistance:įor this phase I just needed a TORX T6H screwdriver:
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