Finished the "mechanism" to fix the Peltier cooler on the DMK/DBK, now it can be removed and attached in a matter of seconds. I think that I will use the cooler more often from now on, especially for longer exposures.
Also tried to use the JMI motorized focuser controller to control a simple DC motor removed from a toy car, and it can be used without any problem, however, since that motor is designed to run fast, lower voltage will not move it, I guess it only start moving from 6V and move fairly fast at 9V full.
Then I disassembled an old remote control too look for suitable components to finish my dual axis fine control/autoguiding motor project, it seems like not very useful.
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