https://blog.usedbytes.com/tags/raspberry-pi/ Recent content in Raspberry Pi on usedbytes:Blog Hugo -- gohugo.io Sat, 06 Jun 2020 22:12:52 +0100 https://blog.usedbytes.com/2020/06/failsafe-pi-dual-boot-with-gpio/ Sat, 06 Jun 2020 22:12:52 +0100 https://blog.usedbytes.com/2020/06/failsafe-pi-dual-boot-with-gpio/ tl;dr Add this to /boot/config.txt: # Set GPIO 26 to pull-up gpio=26=pu # If GPIO 26 is high, the kernel, dtb and cmdline will be taken from /boot/other/ [gpio26=1] # Note the trailing slash is important os_prefix=other/ The background I’ve been keen for quite some time on using Arm powered machines for as much as I can. Back in 2012 I bought the first Samsung Chromebook which used a dual-core Cortex-A15 Samsung Exynos chip.