
Sopracciglio rp2040
miekush/sopracciglio-rp2040
Raspberry Pi RP2040 based Sopracciglio Board for use with 2026 Open Sauce Badge

A capacitive touch slider based music instrument
Sinthinator is an open-source printed circuit board by phenax, from the phenax/sinthinator repository on GitHub. It is a 2-layer board of 100.9 × 144.5 mm with 57 parts on 69 nets, routed with 467 tracks and 37 vias.
It is built around the STM32C011F6P6, CAP1206-1-SL and PCA9544APW, with the AMS1117-3.3 among its other parts. Its parts include 18 resistors, 16 capacitors, 9 ICs, 3 connectors and 3 switches. It belongs with the STM32 boards of this library.
A capacitive touch slider based toy music instrument
| schematic | pcb |
|---|---|
![]() | ![]() |
| Qty | Value | Footprint | References |
|---|---|---|---|
| 10 | 4.7k | PCM_SparkFun-Resistor:R_0603_1608Metric | R1, R2, R6, R7, R8, R9, R12, R13, R14, R18 |
| 5 | 0.1uF | PCM_SparkFun-Capacitor:C_0603_1608Metric | C1, C10, C11, C13, C16 |
| 5 | 1.0uF | PCM_SparkFun-Capacitor:C_0603_1608Metric | C6, C8, C9, C12, C14 |
| 4 | MountingHole_2.2mm_M2 | MountingHole:MountingHole_2.2mm_M2 | M2-1, M2-2, M2-3, M2-4 |
| 3 | 10uF | PCM_SparkFun-Capacitor:C_0603_1608Metric | C2, C5, C7 |
| 3 | 1k | PCM_SparkFun-Resistor:R_0603_1608Metric | R3, R4, R5 |
| 3 | 2.2k | PCM_SparkFun-Resistor:R_0603_1608Metric | R15, R16, R17 |
| 3 | CAP1206 | Package_SO:SOIC-14_3.9x8.7mm_P1.27mm | U1, U4, U5 |
| 3 | SW_Push | Button_Switch_SMD:SW_Tactile_SPST_NO_Straight_CK_PTS636Sx25SMTRLFS | SW1, SW2, SW3 |
| 3 | ~ | Slider:TouchSlider-6_100x15mm | UTouch1, UTouch2, UTouch3 |
| 2 | 10uF | PCM_SparkFun-Capacitor:C_0603_1608Metric_Polar | C3, C4 |
| 2 | 5.1k | PCM_SparkFun-Resistor:R_0603_1608Metric | R10, R11 |
| 1 | 1uF | PCM_SparkFun-Capacitor:C_0603_1608Metric | C15 |
| 1 | 3.5mm TRRS | PCM_SparkFun-Connector:Audio_Jack_3.5mm_TRRS_SMD_RA | J1 |
| 1 | AMS1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U7 |
| 1 | Audio Out | TestPoint:TestPoint_2Pads_Pitch2.54mm_Drill0.8mm | J3 |
| 1 | MCP4725 | Package_TO_SOT_SMD:SOT-23-6 | U3 |
| 1 | PAM8302A | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U8 |
| 1 | PCA9544APW | Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm | U2 |
| 1 | R_Potentiometer | Potentiometer_SMD:Potentiometer_Bourns_TC33X_Vertical | RV1 |
| 1 | STM32C011F6 | Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm | U9 |
| 1 | USB-C | PCM_SparkFun-Connector:USB-C_16 | J2 |
| 1 | ~ | Connector_PinHeader_2.54mm:PinHeader_1x07_P2.54mm_Vertical | U6 |
It measures 100.9 × 144.5 mm and has 2 copper layers, 1.6 mm thick.
57 parts, built around the STM32C011F6P6, CAP1206-1-SL, PCA9544APW and AMS1117-3.3. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
From the phenax/sinthinator repository on GitHub, at the commit this page was made from: the board is hardware/sinthinator.kicad_pcb and its schematic hardware/sinthinator.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask phenax before reusing the design.

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