The 1S-Series sub-miniature rocker switches from Carling come in sealed and sealed surface mount variations and have contact resistance of 20 mΩ max with initial @ 2-4 VDC 100mA for both silver & gold plated contacts. Further specifications are provided in the data sheet.
Comment: Autonomous construction requires open data standards
The UK is particularly well served with topographic data thanks to the Environment Agency´s LIDAR programs, specifically the composite digital terrain...