Hi All,
Interesting alternative 32-bit GRBL controller using a Teensy 4.1. Super Gerbil boards were never in stock, so this might be an alternative solution for 3+ (5) axis control and 7 relay outputs.
# grbl-teensy-4
GRBL Breakout Boards for Teensy 4.x Uses the [grblHAL Teensy 4 version](https://github.com/terjeio/grblHAL).
## June 28, 2020. New Versions!
I have finished 2 new 5 axis versions based on the Teensy 4.1. One supports an Ethernet interface and the other supports a USB interface. I will be making a few "Unkit" boards avalable. These have all the surface mount components installed (with the execption of the EEPROM IC). Teensy 4.1 not included. The price is $25.99 USD. [It is available on Tindie.](https://www.tindie.com/products/philba/grblhal-breakout-board-unkit-for-teensy-41/) There are a limited number but if there is enough interest, I will reorder more.
The "Unkit" board.
![T4.1 BreakuoutBoard](https://github.com/phil-barrett/grbl-teensy-4/blob/master/R6288808_DxO.jpg "Unkit Version")
T41U5XBB - Fully populated USB based version.
![T4.1 BreakoutBoard](https://github.com/phil-barrett/grbl-teensy-4/blob/master/R6278732_DxO.jpg?raw=true "T4.1 USB Breakout Board - T41U5XBB")
T41E5XBB - Fully populated Ethernet version
![T4.1 BreakoutBoard](https://github.com/phil-barrett/grbl-teensy-4/blob/master/R6278738_DxO.jpg?raw=true "T4.1 Ethernet BreakoutBoard - T41E5XBB")
Lots of new features!
## Features
* 5 Axis control outputs – 5V compatible.
* Independent enables for each axis.
* 10 Opto-isolated inputs including standard GRBL controls and limits switches for all axes.
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Teensy 4.1 - https://www.pjrc.com/store/teensy41.html
grblHAL Breakout Board - https://www.tindie.com/products/philba/grblhal-breakout-board-unkit-for-teensy-41/
@RichCournoyer , a possible solution for your Super Gerbil woes?
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September 19, 2020, 4:38pm
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