Hardware SPI and micropython REPL

[hstarmans]

hardware spi
Some sources state that hardware SPI is only available on the following

SPI	MOSI	MISO	CLK	CS
SPI2	GPIO 35	GPIO 37	GPIO 36	GPIO 39
SPI3	GPIO 11	GPIO 13	GPIO 12	GPIO 10

Micropython REPL

If you are using micropython avoid GPIO 1 and 3.
These are connected to repl. You can't use these while connected to Micropython via USB, source only via webrepl