[{"element_type":"alert","content":"This is still a work in progress! The code's not ready. In fact I haven't even written any code.","metadata":{"class":"element row-fluid alert-element build-alert alert-info","alert_type":"info"}},{"element_type":"text","content":"\n  \n  \n        \u003cp\u003eThe original \u003ca href=\"https://learn.adafruit.com/rp2040-runcpm-emulator-with-usb-keyboard-hdmi-screen\"\u003eRunCPM project I did\u003c/a\u003e used two feathers with RP2040 microcontrollers: one for DVI output and one for USB input.\u003c/p\u003e\n\u003cp\u003eNow, with the USB Host Featherwing, there's theoretically no need for the second microcontroller.\u003c/p\u003e\n      \n\n","metadata":{}},{"element_type":"text","content":"\n  \n        \u003cp\u003eThe Adalogger Featherwing and the USB Host Featherwing need to have separate CS (Chip Select) pins.\u003c/p\u003e\n\u003cp\u003eFor this project, I modified the USB Host Featherwing. I cut the small trace next to the pad labeled \"CS\", then soldered in a small jumper wire from CS to GPIO11, the spot just \u003cstrong\u003eabove\u003c/strong\u003e the one labeled \"GPX\".\u003c/p\u003e\n      \n","metadata":{}},{"element_type":"text","content":"\n        \u003cp\u003eNext, it was time to update the Arduino sketch to use the USB Host Featherwing. Sadly, it appears that this is incompatible with the Philhower core at this time, so the project is on hold.\u003c/p\u003e\n      ","metadata":{}}]