Description
Instruction: Click here to openIntroduction: By pressing the key to change the different inputs of the NE555 oscillation resistor, NE555 generates different signal frequencies and drives the buzzer to make different sounds through the capacitor coupling.The kit can generate 16 notes by key combination. Feature: Operating voltage: DC4-12VStandby current: ?1mAOperating current: ?40mANumber of notes: 16Power switch: YesWelding difficulty: EasyBoard size: 143 x 22 (L x W) Package includes: 5 x Electronic Keyboard Kit
