Modifying a T41U5XBB for lathe spindle sync
Supporting threading on a lathe with grblHAL The Teensy 4.1 based T41U5XBB is a good board for controlling a lathe with grblHAL but does...
Ethernet without Routers for grblHAL
Using Ethernet to control a CNC machine was once the province of high end professional CNC controllers. But now grblHAL supports Ethernet...
Using proximity sensors on a CNC Machine.
An inductive proximity sensor (IPS) is an excellent choice for limit or homing switches on your CNC machine. They are reliable,...
PicoCNC and RP235UXBB First Run Settings
Or, Help! It's not listening to me! You have put your new PicoCNC or RP23U5XBB board together, built and loaded the firmware but when...
Using Active Low Stepper Drivers with the PicoCNC
Typical stepper drivers expose both the positive and negative inputs of the opto-couplers but some older drivers do not. They often...
EMI - Science, Voodoo or DooDoo?
A way forward to deal with EMI. I've been building CNC machines for more than 20 years and while the technology has changed a lot, one...
