ITEM NAME:Electronic DIY Kit NE555 Component Parts Electric Piano Organ Module Description: - The scale of the circuit can produce different sounds, different keys correspond to different scales. The play of electronic organ is to use the fingers to press different keys to produce different scales. - The principle is that electric circuit IC555 is connected to an oscillator, the oscillation frequency is determined by the resistance of the circuit (R1 - R10), and to produce different sounds in different keys. Specification: - Power Supply: 3~12V - Material: Double-sided 1.6mm FR-4 Board - Size: Approx. 135 x 22 x 20mm Package Included: 1 Set DIY Electronic Organ Module.1 Set DIY Electronic Organ Module. - The scale of the circuit can produce different sounds, different keys correspond to different scales. The play of electronic organ is to use the fingers to press different keys to produce different scales.