Comments on: Raspberry PI Pico Pinout (including Pico W version) https://peppe8o.com/raspberry-pi-pico-pinout/ Raspberry PI, Arduino and Electronics made simple Thu, 28 Aug 2025 14:57:55 +0000 hourly 1 https://wordpress.org/?v=6.9.4 By: David https://peppe8o.com/raspberry-pi-pico-pinout/#comment-9984 Mon, 24 Jan 2022 08:14:51 +0000 https://peppe8o.com/?p=4612#comment-9984 The chip select (CS) in SPI is not meant to define which party is master and which one is slave. It is a pin that master uses to tell which slave should listen to the communication. It allows to decide which of the slaves should listen to next commands.

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