Budget estimate for the construction of a robotic trumpet (given the trumpet) no movement, no chariot, no lights. Parts and components: 3/6 Solenoid valves 150.00 Membrane compressor 220.00 Acoustic impedandance convertor 100.00 Amp 60W 100.00 dsPIC processor board 300.00 PIC controller valves 350.00 Power supplies 400.00 Stainless Steel 60.00 Board and component mounting parts 60.00 subtotal: 1740.00 Work and labour: 1 month 3000.00 end total: 4740.00 Euro