https://raspberrypi.stackexchange.com/questions/99315/run-the-program-in-the-laptop-and-use-the-raspberry-gpios tlfong01 1,932 , 1,932 reputation ●22 gold badges●55 silver badges●1515 bronze badges By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. […]

RE: RPI4 AND I2C; HAS ANYONE USED ADDITIONAL I2C BUSES? Unread postby clicky » 2019-Aug-10 Sat 4:47 am https://www.raspberrypi.org/forums/viewtopic.php?t=244947#p1516398 First I needed to run rpi-update. Now my /boot/config.txt has: dtoverlay=i2c1,pins_2_3 dtoverlay=i2c3,pins_4_5 dtoverlay=i2c4,pins_6_7 […]