Ok so, I kinda really need to use the Pixracer Board hardware. According to various sources, the Wifi port can be converted into an SPI port for the optic flow as seen in this link: Configuring wi-fi port as SPI port in a Pixracer board
I’m thankful for your offer if you are still interested in helping us.
Sidenote: So sorry for the multiple threads. This is our first time using this platform, so we are kinda ignorant about the etiquette.