a 3d render of a circuit board. there are 13 areas to place choc low profile keyswitches, a surface-mount 64-pin microcontroller, a strip of solder-jumpers, and a strip of header connectors on either side
https://sbom.tilde.website/media_attachments/files/107/755/051/426/771/315/original/843447ac7b77a3a0.png