Electronic Keyboard with NE555 Chip - DIY Kit

There is an integrated circuit that, despite being produced for half a century, has not become outdated and its range of applications is so wide that many books have been written about it. Meet the NE555 timer! This kit is for building electronic keyboard in the form of a self-assembly kit. The board is based on the NE555 chip and is powered with voltage from 3 to 12 V. Key features: NE555 chip 8 buttons Power supply: 3V to 12V Dimensions: 135 x 22 mm The kit contains: Printed circuit board NE555 chip chip holder 8 x Button with caps Loudspeaker ARK connector Capacitor set Set of resistors