I need one (1) more port on a Grove Mesh Shield for a project I’m working on. I’ve used up all the digital and analog ports. Am I able to use either the I2C or UART port to connect either a 4-digit display (which requires a V, GND, DIO, and CLK) or a DHT11 (which requires a V, GND and Signal)? The …

Can I use I2C or UART ports on a Grove Shield for digital signal (I've run out of available analog and digital ports)?

Mjones January 19, 2019, 1:14am 2

Why not something like this I/O expander?

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