slider-synth
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Slider Synth
A synth that uses a linear touch sensor with a force sensor underneath to create cool sounds. It is inspired by the modulin by wintergatan. Powered by the esp32-s3 and mozzi library.
Purpose
I built this pcb to make my diy setup more professional. I originally hooked everything up with an arduino but was really hard to cary around without dropping the breadboard or unplugging something. This design leaves it hot pluggable as well as super professional and more polished.
Schematic
Additional Notes
BOM
I am supplying my own esp32-s3, rotary encoder, buttons, leds, and some other stuff that would cause the price to spike up to $30
I also have the linear softpot potentiometer, force sensitive resistor, and plywood strip on hand. They total about $50 (plywood was scrap/free)
Before fabricating the pcb, make sure the traces for the FSR is going to IO4 and not IO38!!!
| Price | Part Number | Type | LCSC Part | Owner | Designators | Qty | Manufacturer |
|---|---|---|---|---|---|---|---|
| $0.02 | CL21A106KAYNNNE | Basic | C15850 | System | C4 | 2 | JLCPCB |
| $0.17 | CL21A476MQYNNNE | Basic | C16780 | System | C3,C43,C45 | 6 | JLCPCB |
| $0.03 | SS14 | Basic | C2480 | System | D1 | 2 | JLCPCB |
| $0.02 | CL21B105KBFNNNE | Basic | C28323 | System | C1 | 2 | JLCPCB |
| $2.11 | LM3940IMPX-3.3/NOPB | Extended | C544820 | System | U2 | 2 | JLCPCB |
| $0.05 | CC0805KRX7R9BB104 | Basic | C49678 | System | C48,C49,C5,C50,C6,C7 | 12 | JLCPCB |
| $0.37 | LM386 | Extended | C5157706 | System | U33,U34 | 4 | JLCPCB |
| $0.03 | CL21B474KBFNNNE | Basic | C13967 | System | C2 | 2 | JLCPCB |
| $0.01 | 0805W8F0000T5E | Basic | C17477 | System | R4,R5,R6 | 6 | JLCPCB |
| $5.35 | MCP4922-E/SL | Extended | C39851 | System | U32 | 2 | JLCPCB |
| $0.01 | 0805W8F1002T5E | Basic | C17414 | System | R13,R3 | 4 | JLCPCB |
| $0.01 | 0805W8F100JT5E | Basic | C17415 | System | R28,R29 | 4 | JLCPCB |
| $2.24 | USB4105-GF-A-120 | Extended | C5184243 | System | J1 | 2 | JLCPCB |
| $0.03 | 0805B333K500NT | Basic | C1739 | System | C42,C44 | 4 | JLCPCB |
| $0.01 | 0805W8F3300T5E | Basic | C17630 | System | R10,R11,R8,R9 | 8 | JLCPCB |
| $0.05 | CL21B473KBCNNNC | Basic | C53134 | Customer | C46,C47 | 4 | JLCPCB |
| $0.01 | 0805W8F5101T5E | Basic | C27834 | System | R1,R2 | 4 | JLCPCB |
| $23.28 | Total Part Price | ||||||
| $37.24 | Merchandise Total | ||||||
| $26.56 | Shipping Estimate | ||||||
| $5.27 | Sales Tax | ||||||
| $20.49 | Customs duties & taxes | ||||||
| $89.56 | Grand Total |
Actual total would be around ~$150 USD including my own components sourced.
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