Instead of U and D for Up/Down, wouldn’t In/Out make more sense?
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Upstream
Downstream
Hub
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Here are a few more!
Button L7
Temp and humidity
Color LED
Color sensor
LED ring
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Back to “BigBang”
Assuming the MCU part is STM32C031F6 with 32K flash and 12K RAM. Is this enough to run the DUELink engine ?
The DUELink spider seems to use a beefier STM32 ( SC13048Q ?? )
Isn’t BigBang where it all has started? It is the one module that creates other modules. So, before we make an accelerometer module for example, we would get a BigBang with some wiring done to test the accelerometer chip out first.
We are good at pushing things to the limits, so let keep on pushing and see how far we can go! Maybe an engine will make it to the end product!
We have not posted any new ones because we got busy reworking a few things in the core. We are back to it…
We made N18 with 4 holes. Gadgeteer had only 2. I am not are which one is better, smaller vs mounts better.
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I would prefer “Mount better”.
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Then you are on @Dat_Tran side 
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The keypad is a tricky one. Where to add the mounting holes? Gadgeteer ignored the holes and assumed the user will only use the tiny screws on the keypad’s corners.
I think we shouldn’t break the rules for any module!
But this is ugly! Perhaps a large PCB to cover the entire back will do it.
We will keep trying…
Assuming the SOT devices are transistors, will the hub support software control of power on/off ?
Not transistors
Can’t wait!!! This is much much smaller than I have ever imagined.
You do realize this is a development board and not a module or a som? Yeah it is small!!
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Holey boards are back ! 
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