I just splashed on one of these: https://www.bosch-garden.com/gb/en/garden-tools/garden-tools/indego-400-connect-3165140828284-209530.jsp
Seriously, HA Admins/lovers/Admins/owners you should seriously consider an affiliate scheme where you get kick backs for sales on integrated products… I know you not in it for the $$ but you could always spend the $$ altruistically… 
Will report back on possible hacks once I have set it up and looked at the comms…