Radek Kaczorek replied to the topic 'Problem Canon 6D and QHY5' in the forum. 3 years ago

You might double check your version of FTDI converter used in the cables. There two versions, supporting two TTL levels 3.3V and 5V. Isn't it the case that you bought 3.3V TTL version by any chance? AFAIK skywatcher mounts use 5V TTL.

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