Tachometer RPM measure
Drive system motors

Gearing Ratio and Pulley Designs

Before switching over to BLDC motors, I was going to use brushed DC motors with planetary gear. I did a few test runs with the brushed DC motors with a Roboclaw motor controller and was not happy with the noise from the motor/gears (the robot was doing to much noise). One advantage with the planetary gear was […]

Second wheel 3d printed with PETG
3d-print robot lawnmower


Tonight Part 10 was finished, the second wheel for the Valify Robot lawnmower. The print took around 44h and conusmed approximately 550grams of PrimaSelect PETG filament. I was running this part with 3 shells and 15% infill because the wheel has to handle bumps and other forces. The part that came out OK. I could see minimal lifting […]

robot lawnmower

Electrical Layout and Planning

There are many electrical things to be assembled in the robot and it’s time to start planning where all electronics are going to be mounted inside the robot. I started working with the mounts for the Jetson TX2, SSD and a mount plate below the Jetson TX2 for mounting different things (RTK and 9DOF for example). 3D […]