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Remove the laser from the board and close all open serial connections.
Turn off the controller and set the number 2 configuration switch to ON.
Turn on the controller.
Run the utility
cm3wsd.exe (available for download here).
Select the program (
hex file) to upload.
Select the Serial Port, the Baud Rate ('115200') and Flash Action ('Program').
The program will install on the microcontroller.
Once finished, turn off the controller and set the number 2 configuration switch to OFF.
Koheron CTL200 is a digital butterfly low-noise laser controller. It drives up to 600 mA laser current with a current noise density of only 670 pA / √Hz. The CTL200 fits in a 75 mm x 75 mm square, uses a single 5.9 V supply, and can operate between 0 and 50°C.