| .. | ||
| keys | ||
| pedal | ||
| keyboard.png | ||
| pedal.png | ||
| README.md | ||
Bill of materials
Keyboard Power and Control
These parts serve the entire keyboard solenoid assembly.
| Id | Type | Description | Qty | Source | Part Number |
|---|---|---|---|---|---|
| J3 | 6P Terminal | Screw Terminal | 2 | Mouser | 651-1725698 |
| P1 | HDS800PS24 | 24V Power Supply | 1 | Digikey | 1470-2689-ND |
| P2 | HDS800PS12 | 12V Power Supply | 1 | Digikey | 1470-2687-ND |
| P3 | TXL 015-05S | 5V Power Supply | 1 | Digikey | 1951-1325-ND |
| M0 | Controller MCU | Arduino Uno R3 | 1 | Digikey | 1050-1024-ND |
| None | 1/16 x 1/8 x 1/2 | Rubber feet(pkg 100) | 1 | McMaster | 9753K11 |
Key Driver Board (11 channels per board)
There are 8 driver boards per keyboard solenoid assembly. Each board has 11 driver circuits.
| Id | Type | Description | Qty | Source | Part Number |
|---|---|---|---|---|---|
| U1 | ATtiny85-20MU | Microcontroller | 11 | Mouser | 556-ATTINY85-20PU |
| None | 8DIP IC | Socket | 11 | Mouser | 571-1-2199298-2 |
| None | 0.1uF | Capacitor | 1 | Digikey | 399-14010-1-ND |
| R1-2 | 4.7k | Resistor | 22 | Mouser | 293-4.7K-RC |
| D1 | BYV32-200 | Diode | 11 | Mouser | BYV32-200GOS-ND |
| D2 | SF52 | Rectifier | 11 | Mouser | 583-SF52-B |
| D4 | Z10Y | Diode | 11 | Mouser | 78-BZX55C10-TAP |
| Q1 | 2N3906 | BJT | 11 | Mouser | 512-2N3906BU |
| Q2 | IRL640 | MOSFET | 11 | Mouser | 512-IRL640A |
| Q3 | IRF610 | MOSFET | 11 | Mouser | 844-IRF610PBF |
| S1 | Solenoid | Ledex 195207-228 | 11 | Testco | 195207-228 |
| C1 | 100uF | Capacitor | 2 | Digikey | 493-1668-ND |
| J1 | 2P Terminal | Screw Terminal | 11 | Mouser | 651-1725656 |
| J2 | 6P Female .1 | Pin Terminal | 1 | Digikey | H123900-ND |
Damper Pedal Driver Board
| Id | Type | Description | Qty | Source | Part Number |
|---|---|---|---|---|---|
| R1-4 | 180 ohm | Resistor | 4 | Mouser | 660-MF1/2LCT52R181G |
| R5-6 | 470 ohm | Resistor | 2 | Mouser | 71-CCF07470RGKE36 |
| C1-2 | 1uF | Capacitor | 2 | Newark | 65R3171 |
| C3-4 | 4700uF | Capacitor | 2 | Newark | GBPC2501W |
| Q1-2 | BS170 | MOSFET | 2 | Mouser | 512-BS170 |
| Q3-4 | IRF1310NPBF | MOSFET | 2 | Mouser | 942-IRF1310NPBF |
| U1 | TLP523 | Dual Opto-isolator | 1 | Newark | 05M1443 |
| U2-3 | LM7810ACT | 10V Voltage Regulato | 2 | Mouser | 512-KA7810ETU |
| D1 | Bridge Rectifier | 100V 25A | 1 | Newark | GBPC2501W |
| D2-3 | STTH30R061PI | Diode | 1 | Mouser | 512-RURP3060 |
| L1 | Push Solenoid | 24 Volt | 1 | Laukhuff | 301010 |
| T1 | Transformer | 1 | Digikey | 595-1961-ND |