Bob's Shop

I really like grbl firmware, but it can only handle 3 axes CNCs. This works great for most hobby CNCs. I am always on the lookout for a different solution....

John has designed a new spoilboard for the Evolution 4 and 5.  He designed parts for the KL744 as well. Check out his blog here:  Making your own T-slot spoilboard Here...

I do not get to spend as much time here as I used to, but it is still where I get to develop some of BobsCNC's ideas as well as...

Jan 7, 2022 Level of Difficulty:  3 out of 5 Machine:  Table saw Additional tools:  Digital Calipers  Material:  ¾” MDF Dimensional Drawings: KL744, KL733, Evolution5, Evolution4 We’ve updated the design of our...

I am always trying to find better software for our CNCs.  I started looking at the opensource software Open-builds an thought I can make this work for the BobsCNC machines....

Below are the instructions on upgrading the original one-piece spoilboard to the new T-Slot spoilboard. The spoilboard slots will work with most T-Slot clamps or we offer a simple clamp...

 This software can be used to determine the cutting parameters for a few different materials. The software will give you a good place to start.  Due to the many variables,...

In this instruction, we will walk thru the steps we use to install grbl on the controller of the Evolution 3 and 4 CNC router. 1.Download and install the Arduino IDE.   https://www.arduino.cc/en/Main/Software 2....

The Bridgeport Series 1 CNC is no doubt my favorite tool in the shop. I found it on Craigslist a few years ago. I wrote about the adventure in the...

This project is a PID motor controller using step/direction signals. The files include: Firmware that can be downloaded from the Arduino IDE CNC files for isolation routing and drilling the...

In this article I’m going to show you how to add Bluetooth capability to any BobsCNC Router. There are at least three benefits to adding a Bluetooth module to your...

A quick search of the internet will show people making their own taps with a rotary tool and a grinding wheel. For standard lead taps this method works fairly well....