Hi, I have picked up a few shields that i need for a project from adafruit: [image] ChronoDot - Ultra-precise Real Time Clock The ChronoDot V3 is the latest version of macetech’s popular ChronoDot line of products. Designed during the Great Chip Shortage, it uses the newly-released MAX…

Multiple I2C, shields, and Uno Board

florinc August 27, 2012, 5:08pm 4

You only need one pull-up resistor (4k7) per I2C pin: one for A4 and one for A5.

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