Projecttitel: Buchla 288R v2
Status: IN PROGRESS
Startdate: 03/2022
Duedate: 04/2022
Manufacture link:
Specs/Info
- 24bit/196KHz sound quality (switchable to 12bit "vintage" mode)
- up to 40 seconds of looping buffer (switchable to original short loop timings)
- both timing and phase/mixing presets are set up by trimmers and dip-switches on a back of a module, no need to wire or change resistors
- preorder is $299, total price is $1099 shipped
- a usb-programmer for firmware updates will be included with each order
- source code will become public shortly after the release of a module
- shipping is scheduled for mid-march 2021
- this is one-time run and i'm not offering kits atm unfortunately
- couple more cool modules to be released later this year.
Bugs:
when the Sum isn't working : there's on few pcbs a trace damaged/missing connection (was reported on modwiggler.com)
Change: check the BOM - there's a resistor change needed - swap R6 with R7 and swap R15 with R16
changelog:
R6 was 20k now its 10K R7 was 10K now 20k
R15 was 20k now 10k, R16 was 20k now 10k
BOM:
TIME DOMAIN PROCESSOR MODEL 288 | ||||
BILL OF MATERIALS REV 1.0 | ||||
PCB1 | ||||
RESISTORS | ||||
VALUE | DESIGNATOR | QTY | DESCRIPTION | MOUSER PART# |
10K | R6, R15 | 2 | change R6 with R7 (from 10K to 20K) change R 15 with R16(from 10K to 20K) | not needed |
20K | R7, R16 | 2 | see above | not needed |
10-100K LOG | POT1, POT3, POT4, POT5 | 4 | 16MM ANGLED | http://smallbear-electronics.mybigcommerce.com/alpha-single-gang-16mm-right-angle-pc-mount/ |
10-100K LOG | POT2 | 1 | 9MM | http://smallbear-electronics.mybigcommerce.com/alpha-single-gang-9mm-right-angle-pc-mount/ |
10-100K LIN | POT6, POT7 | 2 | 16MM ANGLED | http://smallbear-electronics.mybigcommerce.com/alpha-single-gang-16mm-right-angle-pc-mount/ |
50K LINEAR | POT8, POT9, POT10, POT11, POT12, POT13, POT14, POT15, POT16 | 9 | 45MM TRAVEL ALPS SLIDER | FARNELL/NEWARK: RS4511150K |
MISC | ||||
VALUE | DESIGNATOR | QTY | DESCRIPTION | MOUSER PART# |
1 | BANANA JACK BLACK | 530-108-0903-1 | ||
2 | BANANA JACK RED | 530-108-0902-1 | ||
3 | BANANA JACK ORANGE | 530-108-0906-1 | ||
LED1, LED2, LED3, LED4, LED5 | 5 | RED 3MM LED | 604-WP710A10ID5V | |
J1-J18 | 18 | TINY-JAX | 502-41 | |
SPDT ON-ON | SW2, SW3, SW4, SW5, SW6, SW8, SW9, SW10, SW11, SW13, SW15, SW17, SW18 | 13 | TOGGLE SWITCH | 633-M201201 |
SPDT ON-OFF-ON | SW7, SW12 | 2 | TOGGLE SWITCH | 633-M201301 |
SPDT (ON)-OFF-(ON) | SW14 | 1 | TOGGLE SWITCH | 633-M201801 |
SPDT ON-OFF-(ON) | SW16 | 1 | TOGGLE SWITCH | 633-M201901 |
PBD1, PBD2 | 2 | PLD 20 PIN (MALE) | 517-929836-01-10-RK | |
6 | 15MM MF STANDOFF | |||
22 | BLUE SWITCH CAP | |||
2 | BLACK SWITCH CAP | |||
2 | RED SWITCH CAP | |||
PCB2 | ||||
RESISTORS | ||||
VALUE | DESIGNATOR | QTY | DESCRIPTION | MOUSER PART# |
50K | TR1-TR36 | 36 | SINGLE TURN TRIMMER | 652-3362P-1-503 |
MISC | ||||
VALUE | DESIGNATOR | QTY | DESCRIPTION | MOUSER PART# |
PLD1, PLD2 | 2 | PLD 20 PIN (FEMALE) | 579-25AA512-I/P | |
SW1 | 1 | DIP SWITCH | 774-2084 | |
SW27, SW28, SW29, SW30, SW31, SW32 | 6 | DIP SWITCH | 774-2088 | |
SW19, SW20, SW23, SW24 | 4 | DIP SWITCH | 206-125ST | |
SW21, SW22, SW25, SW26 | 4 | DIP SWITCH | 206-124 | |
STLINK | 1 | IDC-20 THRUHOLE HEADER | 571-1761681-7 | |
DIP SWITCH | 774-2084 | |||
6 | 12MM FF STANDOFF | |||
1 | POWER CONNECTOR | 587-306-50-010 | ||
1 | ST-LINK/V2 PROGRAMMER | 511-ST-LINK/V2 |