1. The resistor Rs (current sense resistor) soldered on the board to pin 6 of the BTS7960 is 10kฮฉ while the datasheet of the BTS7960B says 1kฮฉ. 10K will result in an excessively high voltage that is beyond the range of most CPU inputs (unless scaled) when driven at high current.2. This company doesn't offer programs for a fee - I had to take it from another competitor.3. The screen print on the power supply and motor connector is reversed - a small but poor quality control issue.
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