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DDS Function Signal Generator Module Sine Square Sawtooth E Wave Kit Y1k7
3.0 out of 5 stars1 product rating
It prod...uces the specified waveforms up to the specified frequency. There are no operating instructions. There is no indication of the required polarity of the external power supply. There is no reverse polarity protection. One image shows the power switch broken on arrival. This image also shows no indication of correct power polarity. The other image shows my reverse-polarity protection modification.
Verified purchase: Yes | Condition: New