Inexpensive Arduino Uno R3 clone that works!

Inexpensive Arduino Uno R3 clone that works!

If you have worked with Arduinos, there is an issue with the USB to serial chip used in most clones. The company that makes the genuine chips, FTDI, put some code in their drivers that would make them useless unless you used older drivers. So buying clones can be a crapshoot, although it is getting better now that other chips are available and the clone makers are not using the counterfeit chip as often. For the record, the Arduino is an open source product and anyone can manufacture them under the proper licensing.
I purchased a few boards from Amazon and they are reasonable and work as advertised. They actually come packaged in a box. The price is under $11.00 US.
I have loaded GRBL 1.1f and have run it on the bench without issues. Looks like a great fit for the K40.
https://www.amazon.com/Elegoo-ATmega328P-ATMEGA16U2-Compatible-Arduino/dp/B01EWOE0UU/ref=pd_sim_147_3?_encoding=UTF8&pd_rd_i=B01EWOE0UU&pd_rd_r=ZEYPRNG789E58BXQZHF3&pd_rd_w=RJtQj&pd_rd_wg=GF9yK&psc=1&refRID=ZEYPRNG789E58BXQZHF3
https://www.amazon.com/Elegoo-ATmega328P-ATMEGA16U2-Compatible-Arduino/dp/B01EWOE0UU/ref=pd_sim_147_3?_encoding=UTF8&pd_rd_i=B01EWOE0UU&pd_rd_r=ZEYPRNG789E58BXQZHF3&pd_rd_w=RJtQj&pd_rd_wg=GF9yK&psc=1&refRID=ZEYPRNG789E58BXQZHF3