Specification Brand : Majatou BulletPoint1 : The stepped frequencies are 1, 10, 100, 1000 and 10000HZ adjustable. BulletPoint2 : The main board kit of DDS generator can output DDS such as pulse , positive and negative sawtooth , triangular , squarewave, sinusoidal and noise . BulletPoint3 : The kit does not contain power supply and needs to be manufactured by ourselves. One set of positive and negative 12V is for op amp and one set of 5V is for MCU and LCD screen. BulletPoint4 : All of them adopt direct insertion components, which are easy to install and suitable for DIY tools. BulletPoint5 : The highest frequency of DDS is 65535HZ and the lowest frequency is 1HZ. ItemName : Function Generator Module Function Generator, Generator Module DIY Kits, for Squarewave Noise Waves ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 15 centimeters ItemPackageDimensions_Width : 12 centimeters ItemTypeKeyword : function-generators Manufacturer : Majatou ModelNumber : Majatoux70unk3yf1 PartNumber : Majatoux70unk3yf1 ProductDescription : 1. The stepped frequencies are 1, 10, 100, 1000 and 10000HZ adjustable. 2. The highest frequency of DDS is 65535HZ and the lowest frequency is 1HZ. 3. Four kinds of high-speed , 1, 2, 4 and 8MHZ, can be output. This can be used to unlock the single chip computer (as an active ), and the amplitude and offset can be adjusted. 4. The main board kit of DDS generator can output DDS such as pulse , positive and negative sawtooth , triangular , squarewave, sinusoidal and noise . 5. The kit does not contain power supply and needs to be manufactured by ourselves. One set of positive and negative 12V is for op amp and one set of 5V is for MCU and LCD screen. 6. All of them adopt direct insertion components, which are easy to install and suitable for DIY tools.