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Forum Index : Microcontroller and PC projects : The CMM1.5-ALU
| Author | Message | ||||
Mixtel90 Guru  Joined: 05/10/2019 Location: United KingdomPosts: 7899 |
This idea was sparked off by a comment from Vegipete. Cases were being discussed and he came up with this in this post. ( AliExpress link ). I thought, why not?  I incorporated the RP2040-Zero USB-PS2 converter this time, purely because I wanted the space that's available underneath it. This is the one suggested by Hawk in this post. It's possible to use a second PCB in the top slot of the case, but you have to be careful because of component heights. I've come up with a design that duplicates the GPIO port using a second RP2040-Zero connected via the system I2C bus. That takes up the front half of the PCB. I don't have a use for the rear half yet, but height is very restricted. Mick Zilog Inside! nascom.info for Nascom & Gemini Preliminary MMBasic docs & my PCB designs |
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