

Picotouch pad
picotouch MIDI controller, but pad-based
- Size
- 207.5 × 38 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 106
- Nets
- 64
- Pads
- 276
- Tracks, vias
- 761, 73
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 6 Sep 2024
- Updated
- 15 Dec 2024
Overview
Picotouch pad is an open-source printed circuit board by todbot, from the todbot/picotouch_pad repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 207.5 × 38 mm with 106 parts on 64 nets, routed with 761 tracks and 73 vias.
It is built around the SK6812SIDE-A, MBR120 and AFC20-S02ACA-00, with the SSSS811101 among its other parts. Its parts include 28 resistors, 22 diodes, 21 capacitors, 2 ICs and 1 connector. It belongs with the RP2040 boards of this library.
Main components
4SK6812SIDE-A
SMD-4P,4x1.6mm-40℃~+85℃ 0.6mA 1.6mm 120° 160mcd~320mcd 1kHz 2000V 240mcd~450mcd 2mm 3.7V~5.5V 460nm~470nm 4mm 520nm~535nm 620nm~625nm 697.5mcd~1162.5mcd 800Kbit/s Built-in power-on reset circuit Translucent Frosted Lens SMD-4P,4x1.6mm RGB LEDs(Built-in IC) ROHSOPSCO OptoelectronicsRGB LEDs(Built-In IC)MBR120
SOD-123Schottky DiodesDoeshareAFC20-S02ACA-00
SMD,P=2mm,卧贴-20℃~+85℃ 1 1x2P 2 250V 2A 2P 2mm 5.55mm 7.55mm 7.9mm Beige Brass LCP PH Surface Mount, Right Angle Tin UL94V-0 SMD,P=2mm,卧贴 Wire To Board Connector ROHSJUSHUOWire To Board ConnectorSSSS811101
SMD-40℃~+85℃ 10,000 cycles 300mA 4.1mm 5V Rectangular Columnar SMD(SMT) Tab SPDT Surface Mount, Right Angle SMD Slide Switches ROHSALPSALPINESlide Switches
README
README.mdpicotouch_pad
picotouch MIDI controller, but pad-based
Parts
106| Qty | Value | Footprint | References |
|---|---|---|---|
| 24 | 1M | Resistor_SMD:R_0603_1608Metric | R1, R2, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, R22, R23 +8 |
| 19 | 100n | Capacitor_SMD:C_0603_1608Metric | C1, C2, C3, C4, C5, C6, C10, C11, C12, C13, C14, C15, C16, C17, C18, C19 +3 |
| 19 | SK6812SIDE | todbot_stuff:LED-SMD_4P-L4.0-W1.6-L-keepoutrev | LED1, LED2, LED3, LED4, LED5, LED6, LED10, LED11, LED12, LED13, LED14, LED15, LED16, LED17, LED18, LED19 +3 |
| 16 | 1 | todbot_stuff:Pad-CapTouch-10mm-roundrect | PAD1, PAD2, PAD3, PAD4, PAD5, PAD6, PAD7, PAD8, PAD9, PAD10, PAD11, PAD12, PAD13, PAD14, PAD15, PAD16 |
| 8 | 1 | todbot_stuff:Pad-CapTouch-10x5mm-roundrect | PAD17, PAD18, PAD19, PAD20, PAD21, PAD22, PAD23, PAD24 |
| 2 | 10uF | Capacitor_SMD:C_0603_1608Metric | C20, C21 |
| 2 | 5.1k | Resistor_SMD:R_0603_1608Metric | R24, R25 |
| 2 | MBR120 | Diode_SMD:D_SOD-123F | D2, D3 |
| 2 | MountingHole | MountingHole:MountingHole_2.7mm_M2.5 | H1, H2 |
| 1 | 10 | Resistor_SMD:R_0603_1608Metric | R26 |
| 1 | 33 | Resistor_SMD:R_0603_1608Metric | R27 |
| 1 | AFC20-S02ACA-00 | easyeda2kicad:CONN-SMD_AFC20-S02ACA-00 | X1 |
| 1 | AudioJack4 | todbot_stuff:Jack_3.5mm_PJ320D_Horizontal | J1 |
| 1 | Gnd | TestPoint:TestPoint_Pad_D1.5mm | TP1 |
| 1 | LED | TestPoint:TestPoint_Pad_D1.5mm | TP3 |
| 1 | LOGO | LOGO | G*** |
| 1 | MCP73831-2-OT | Package_TO_SOT_SMD:SOT-23-5 | U2 |
| 1 | Pico | todbot_RPI_Pico:RPi_Pico_SMD | U1 |
| 1 | SSSS811101 | easyeda2kicad:SW-SMD_SSSS811101 | SW1 |
| 1 | V+ | TestPoint:TestPoint_Pad_D1.5mm | TP2 |
| 1 | orange | LED_SMD:LED_0603_1608Metric | D1 |
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Questions
How big is the Picotouch pad PCB?
It measures 207.5 × 38 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Picotouch pad use?
106 parts, built around the SK6812SIDE-A, MBR120, AFC20-S02ACA-00 and SSSS811101. 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.
Where can I download the Picotouch pad KiCad files?
From the todbot/picotouch_pad repository on GitHub, at the commit this page was made from: the board is schematics/picotouch_pad/picotouch_pad.kicad_pcb and its schematic schematics/picotouch_pad/picotouch_pad.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Picotouch pad design in my own project?
Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).