set pin on mcp23017 using raspberry pi shell

Laith Striegher answered on January 10, 2021 Popularity 2/10 Helpfulness 8/10

answer set pin on mcp23017 using raspberry pi shell

set pin on mcp23017 using raspberry pi shell

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# for original rev1 Pi
sudo i2cset -y 0 0x20 0x00 0xff
sudo i2cset -y 0 0x20 0x14 0x01
#           address register value 
# for rev2 Pi or later
sudo i2cset -y 1 0x20 0x00 0xff
sudo i2cset -y 1 0x20 0x14 0x01
#           address register value

Popularity 2/10 Helpfulness 8/10 Language shell

Source: Grepper

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Contributed on Jan 10 2021

Laith Striegher

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set pin on mcp23017 using raspberry pi shell

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