Arduino Low Power Project - 200 nA Atmega328p

How to run an Arduino Nano v3 on low-power 4,4 uA in Sleep mode (Wakeup timer) 0,2 uA / 200 nA in Interrupt mode (Wake on Event) Hardware & Software tuning Sources can be found here: https://github.com/genotix/ulp_nanov3... Cheap Arduino Nano v3’s can be found on Aliexpress as well as an SPI programmer.