Super Gerbil CNC Controller Testing

A part of our upcoming toy truck, used as a demonstration of Super Gerbil CNC controller It’s testing time for the Super Gerbil CNC Controller pre-production units! We put them through their paces with a testing regime that’s included a wide range of activities: Installation – technically correct and user-friendlyConfiguration – technically correct and user-friendlyAll the basic […]

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XT computers for CNC machining…. really ?

XT computers for CNC machining…. really ? This morning I read an email from the HME, the Home model engine website promoting their member recent posts and I read this: “After completing the Quarter Scale Merlin, I took several months off to work on a number of projects that had piled up around the home […]

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What did we learn during our One day build?

What we learnt during our One day build Today I will share some insights into our adventure while upgrading the cheap Chinese eBay CNC mill “3020”. If you haven’t watched the YouTube video then you can watch it here https://youtu.be/G_9dc0BAf0M The morning started for me at 7am and I was quiet nervous about the challenge. It […]

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Basic steps to debug a k40 controller set up

Debugging the K40 controller set up consists of a few steps which are easy to follow. Comms Motion Limit stops Laser power You probably need: a small Philips screw driver for the screw terminals, a simple multi-meter and some gummy bears. First we need to test whether the board communicates with your computer. Best way […]

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Programming the PWM registers explained

Introduction The biggest advantage of the GBRL controller based on the 328PB chip is it’s ability to produce 16 bits PWM at various frequencies. However to harness that feature you need to understand how to program it. The problem of understanding and programming the 328PB lays in it’s multiplexed structure. There are not enough registers […]

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