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Jacob Hrbek 2023-08-04 05:15:57 +02:00 committed by Gitea
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@ -99,6 +99,44 @@ In terms of software if the chip has a linux mainline support then the path of l
The closest comparable project would be [OLIMEX Teres-A64](https://www.olimex.com/Products/DIY-Laptop) which kit costs 240 EUR, the cost of the mainboard from first hand is 80 EUR (https://www.olimex.com/Products/DIY-Laptop/SPARE-PARTS/TERES-PCB1-A64/open-source-hardware) and fabricating board with dimensions 113.5x89mm of 6 layers costs around 68~280 EUR for 5 boards without components. The closest comparable project would be [OLIMEX Teres-A64](https://www.olimex.com/Products/DIY-Laptop) which kit costs 240 EUR, the cost of the mainboard from first hand is 80 EUR (https://www.olimex.com/Products/DIY-Laptop/SPARE-PARTS/TERES-PCB1-A64/open-source-hardware) and fabricating board with dimensions 113.5x89mm of 6 layers costs around 68~280 EUR for 5 boards without components.
### More options for PCB Materials
This solution also allows us to use different materials economically for the platform board.
#### FR4
Around 5~20 EUR for 1 or 2 layers
Around 20~70 EUR for 3 or 4 layers
#### Copper Core PCBs
Around 60 EUR if kept at 1 layer
#### Rogers
Around 100 EUR if kept at 2 layers
#### PTFE Teflon
Around 50 EUR if kept at 2 layers
#### Flex
Around 30 EUR for 2 layers
Around 200 EUR for 3 and 4 layers
Could be more economical and ecological than the common FR4 and probably better option for prototyping, but use in production and mission critical environment is discouraged (could be placed on a solid material?)
#### Ridgit flex
Cost and usage unknown
#### Shengul SH260
Cost and usage unknown
### Additional Notes ### Additional Notes
Originally discussed in https://git.dotya.ml/kreyren/kreyren/issues/75 Originally discussed in https://git.dotya.ml/kreyren/kreyren/issues/75