Ditching the Arduino for a more powerful Teensy 4.1, [Phil]’s controller supports full five-axis control, variable frequency drive spindles, dust extractor control, and flood and mist coolant control.What do you need to know about Teensy microcontroller?
The Teensy is a complete USB-based microcontroller development system, in a very small footprint, capable of implementing many types of projects. All programming is done via the USB port.What kind of USB port does Teensy use?
Teensy's primary communication is its main USB port, which operatates in USB device / peripheral mode at 12 Mbit/sec speed. The Teensyduino software supports many different types of USB communication to your PC or Mac, selected by the Tools > USB Type menu.How many devices can be connected to Teensy?
If more than 60 Teensy boards are connected, or high bandwith USB devices are present (eg, webcams, USB speakers, etc) a USB 3.0 port and hub should be used. USB is limited to 127 devices per controller, but multiple USB controllers can be installed.