a round touchpad with some wires connected
https://cdn.fosstodon.org/media_attachments/files/111/314/804/245/690/000/original/f257d62b83f86b73.jpg
I spent the day struggling with the cirque touchpad. I already made a breakout board with the FPC ribbon socket and everything needed to connect it to my keyboard, but didn't have the time to try it until today. It didn't make it easier that the chip I'm using in my keyboard doesn't have enough memory to fit the library – I had to strip it down. Eventually I just used unused half of pcb to make a separate breakout, and used a dev board. It only wortks with i2c, probably the pins are wrong.
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