I have been trying to work with the SX1509, but no matter what i do i cant connect it to the board. This is my schematic: [Screenshot 2025-05-06 220010] I have measured voltage on the Nreset, SDA and SCL pins and they are all fine, the only thing i am afraid of is that i melted the chip, but i tr…

Help with SX1509 multiplexer

ledsyn May 7, 2025, 4:21am 7

It doesn't look like this should work according to the datasheet, but try tie NRESET to GND.

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