article very interesting.  Hope more of this becomes available for other applications for field and or robotics so the younger generations are not held tech hostages by big multi-national companies.  I can see young enterprising tech savvy people producing and servicing such machines locally for farmers like me.  Maybe the small and medium farms will survive with such innovations.

"Interested in building your own precision sprayer?
If the answer is yes, design plans and artificial intelligence (AI) algorithms are now freely available from the University of Sydney’s Precision Weed Control Lab, a research group developing site-specific weed control strategies."

Read more
https://farmtario.com/machinery/open-access-a-precision-sprayer-option/?utm_source=GFM+Publications&utm_campaign=564a0b9ef0-Farmtario+Newsletter+-+Featured+-+2021-11-12+06%3A00&utm_medium=email&utm_term=0_2da8244677-564a0b9ef0-89641228