Anatomy of a Huge Self-Driving Mower

posted in: Intro, Self Driving Scag Mower | 46

We’ve had some fun hacking together autonomous mowers powered by cheap electric wheelchair powertrains obtained on the flooded-by-govt-subsidies second hand market — but the autopilot related technology available in 2019 enables us to achieve much more. Exhibit A:   That’s a timelapse … Continued

Meet Precision Mule

posted in: Uncategorized | 6

Once you’ve got your autonomous mower running, you’ll likely take a substantial time-hit defining and adjusting the precise path that you want it to cover as it mows the lawn. In ArduPilot world, the set of coordinates (or waypoints) that your rover … Continued

The Taming of the u-blox ZED-F9P

posted in: Uncategorized | 38

When the UPS guy drops off some new long-anticipated electronics component at your front door, you may be hit with two competing thoughts: First-date-level excitement about the capabilities of the new component and the possibilities it will open up for your … Continued

Piecing Together an Auto Mowing Rig: Part 1

posted in: Uncategorized | 18

There are about 8 months from spring ’till fall in southeastern USA where the grass grows at an ever increasing rate, eventually outpacing even the most avid outdoorsman’s desire to jump on a lawn mower. This simple fact, combined with both a rapid fall … Continued

A Hacker’s Guide to the K501G

posted in: GNSS, GPS | 16

The post last month on RTK GNSS systems continues to generate conversation both on this blog and offline. It turns out that I wasn’t the only person who entered the world of RTK without a perfect knowledge of the rules … Continued

80 Years Well Lived

posted in: Personal | 23

Today I want to break away from the world of robotics and wish Happy 80th Birthday to my Grandaddy. Grandaddy was born on May 20, 1937 in rural northwest Alabama. He grew up in a poor time in a poor … Continued

Spilling the Beans on RTK

posted in: GLONASS, GNSS, GPS | 108

June 29, 2019 Update — The RTK GNSS space has improved massively in the past 2 years. Not surprisingly, u-blox is leading the charge with outstanding products that are finally bringing robust centimeter-level GNSS to a vast untapped set of new applications, industries … Continued

RTK Autopilot Upgrade (part 1)

posted in: GLONASS, GNSS, GPS, Rover 2 | 0

Welcome back fellow roboticists! I trust you guys had a great weekend. Over the weekend I decided to supercharge the roll-out speed for this project. So, without further delay, we present Rover 2 RTK Autopilot Upgrade: Whoa, last time we … Continued

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