New Raspberry Pi POE (Power over Ethernet) hat probably unusable for feeding

[abcd567]

This was workaround for C.H.I.P. board

@aviofan

Also found that power limit of AXP209 chip can be “unlocked” with command axp209 --no-limit or i2cset -y -f 0x34 0x30 0x63 so it can use more than limited 500mA. Not good idea to plugging it on computer, USB port cannot deliver that much power but if used with adapter 1,5 A or more it will be ok. There is even a script for this (github.com/fordsfords/axp209-no … e/gh-pa