The following electronic component links point to the Mouser reseller. Obviously you can buy them elsewhere. Some alternatives are included where possible in case there are stock or availability issues for the main parts.
Mainboard v0.8
| Part | Qty | Description | Manufacturer Part No |
|---|---|---|---|
| Circuit Board | |||
| PCB | 1 | Mainboard v0.8 | microDrum Store |
| Arduino | |||
| Uno | 1 | Will need Mainboard set to 5V version | A000066 |
| Due | 1 | Will need Mainboard set to 3.3V version | A000062 |
| Teensy | |||
| Teensy 3.2 | 1 | Not tested | DEV-13736 SparkFun |
| Resistors | |||
| R1-R6 | 6 | 1 MOhm, 1%, 0.25W | 271-1.0M-RC Xicon |
| R7-R8-R18 | 3 | 10 KOhm, 1%, 0.25W | 271-10K-RC Xicon |
| R9-R10 | 2 | 68 Ohm, 1%, 0.25W | 271-68-RC Xicon |
| R11 | 1 | 100 KOhm, 10%, 0.5W Trimmer | 3362F-1-104LF Bourns |
| R12 | 1 | 1.5 KOhm, 1%, 0.25W | 271-1.5K-RC Xicon |
| R13-R14 | 2 | 220 Ohm, 1%, 0.25W | 271-220-RC Xicon |
| R15 | 1 | 3.3 KOhm, 1%, 0.25W | 271-3.3K-RC Xicon |
| R16-R17 | 2 | 1 KOhm, 1%, 0.25W | 271-1K-RC Xicon |
| RLED | 1 | Depends on led type | Xicon 271 range |
| Capacitors | |||
| C1-C2 | 2 | 22 pF | 1C10C0G220J050B Vishay |
| C3-C4-C5 | 3 | 10 uF | ECE-A1HKA100B Panasonic |
| Switches | |||
| 5V/3.3V | 1 | SPDT (See build details for purpose of these switches) | MS12AFG01 NKK |
| Jumper | 1 | 1 x 2 shorting jumper (Could just use wire if will never change) | 63429-202LF Amphenol FCI, 929951-00 3M, M7582-46 Harwin |
| Crystal | |||
| XTAL | 1 | 16 MHz | LFXTAL058383Bulk IQD |
| Diodes | |||
| D1-D2 | 2 | 1N5227 Zener 3.6V | 1N5227BTR ON / Fairchild |
| D3 | 1 | 1N4148 | 1N4148TR Vishay, 1N4148TR ON / Fairchild |
| LED | 1 | Green Led | 350-00001 Parallax |
| ICs | |||
| IC1-IC6 | 6 | SN74HC4851 (each 1 = 8 ports) | SN74HC4851N Texas Instruments |
| IC7 | 1 | SN74HC595 Shift Register | SN74HC595NE4 Texas Instruments |
| IC8 | 1 | 7805 | TL780-05KCS Texas Instruments |
| 6N138 | 1 | 6N138 | 6N138 Vishay, 6N139M ON / Fairchild |
| ATtiny4313 | 1 | ATtiny4313 | ATTINY4313-PU Microchip |
| Transistor | |||
| BC547 | 1 | BC547BTA | BC547BTA ON / Fairchild |
| Sockets | |||
| IC1/IC6/IC7skt | 7 | 16 pin DIP (2x8) | DILB16P-223TLF Amphenol FCI, 4816-3004-CP 3M |
| 6N138skt | 1 | 8 pin DIP (2x4) | DILB8P-223TLF Amphenol FCI, 4808-3004-CP 3M |
| ATtiny4313skt | 1 | 20 pin DIP (2x10) | DILB20P-223TLF Amphenol FCI |
| Connectors | |||
| J1-J6 | 6 | 2 x 5 header | 67997-410HLF Amphenol FCI, XG8W-1041 Omron, M20-9760546 Harwin |
| MIDI In/Out/Aux | 3 | 5 pin DIN socket | NYS325 REAN / Neutrik, T3359-150 Amphenol |
| Header | 2 | 1 x 36 header - split (will cover all headers) | 929834-02-36-RK 3M |
| Arduino2 Header | 1 | 2 x 13 header | 67996-236HLF Amphenol FCI |
Jack Board v0.4
These quantities are for a single board, giving you 4 sockets.
| Part | Qty | Description | Manufacturer Part No |
|---|---|---|---|
| Circuit Board | |||
| PCB | 1 | Jack Board v0.4 | DIY |
| Jacks | |||
| U1-U4 | 4 | Mono sockets for single piezo trigger, stereo for two | Stereo: NMJ6HFD2, NRJ6HF-1 or Mono: NMJ4HHD2 Neutrik |
| Resistors | |||
| R1-R4 | 4 | 1 MOhm or 100 Ohm with HHC Resistor; 1%, 0.25W | Xicon 271 range |
| Switches | |||
| S1-S4 | 1 | 1 x 12 header | 929834-02-12-RK 3M |
| Jumper | 4 | 1 x 2 shorting jumper (Could just use wire if will never change) | 63429-202LF Amphenol FCI, 929951-00 3M, M7582-46 Harwin |
| Connectors | |||
| Conn1 | 1 | 2 x 5 header | 67997-410HLF Amphenol FCI, XG8W-1041 Omron, M20-9760546 Harwin |
| 1 | 2 x 5 socket | 65239-005LF Amphenol FCI, XG4M-1030 Omron, M20-1070500 Harwin | |
| Contacts | To fit 22-30 AWG wire (assuming that matches ribbon wire above) | 76347-401LF Amphenol FCI, 08-50-0114 Molex - Need to make sure compatible with sockets chosen | |
| Wire | Ribbon cable, rainbow version optional… | Ebay is best option as Mouser only does long lengths |