2 layers141.8 × 107 mm
2 layers101.3 × 128.4 mm
Touch panel
microresearch/allcolours16all the colours of the noise
- Size
- 101.3 × 128.4 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 253
- Nets
- 114
- Pads
- 521
- Tracks, vias
- 1,707, 55
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 28 Mar 2018
- Updated
- 31 Mar 2025
Overview
Touch panel is an open-source printed circuit board by microresearch, from the microresearch/allcolours repository on GitHub. It is a 2-layer board of 101.3 × 128.4 mm with 253 parts on 114 nets, routed with 1,707 tracks and 55 vias.
It is built around the LM3900D. Its parts include 123 resistors, 40 connectors, 36 capacitors, 33 diodes and 3 ICs.
Main components
1Parts
253| Qty | Value | Footprint | References |
|---|---|---|---|
| 68 | 0R | Resistor_SMD:R_0805_2012Metric | R100, R101, R102, R103, R104, R105, R106, R107, R108, R109, R110, R112, R113, R114, R115, R116 +52 |
| 39 | Conn_01x01 | panels:TestPoint_Pad_1.0x1.0mmsans | J1, J2, J10, J12, J13, J14, J15, J16, J17, J18, J19, J20, J21, J22, J23, J24 +23 |
| 33 | 1N914 | Diode_SMD:D_SOD-123 | D1, D2, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23 +17 |
| 22 | 47K | Resistor_SMD:R_0805_2012Metric | R1, R2, R3, R4, R10, R11, R15, R16, R17, R24, R25, R26, R42, R43, R45, R46 +6 |
| 11 | 10nF | Capacitor_SMD:C_0805_2012Metric | C1, C2, C3, C4, C5, C6, C7, C8, C9, C10, C11 |
| 11 | 1nF | Capacitor_SMD:C_0805_2012Metric | C12, C13, C14, C18, C19, C20, C32, C33, C34, C35, C36 |
| 11 | 22M | Resistor_SMD:R_0805_2012Metric | R30, R31, R32, R33, R34, R35, R36, R37, R38, R39, R40 |
| 11 | 22pF | Capacitor_SMD:C_0805_2012Metric | C15, C16, C17, C21, C22, C23, C27, C28, C29, C30, C31 |
| 11 | 33K | Resistor_SMD:R_0805_2012Metric | R18, R19, R20, R27, R28, R29, R41, R44, R47, R52, R53 |
| 11 | 4M7 | Resistor_SMD:R_0805_2012Metric | R12, R13, R14, R21, R22, R23, R49, R50, R51, R54, R55 |
| 3 | 100nF | Capacitor_SMD:C_0805_2012Metric | C24, C25, C26 |
| 3 | LM3900D | new_kicad:D14 | U1, U2, U3 |
| 1 | Conn_02x20_Counter_Clockwise | Connector_PinHeader_2.54mm:PinHeader_2x20_P2.54mm_Vertical_SMD | J43 |
| 1 | LOGO | panels:latest0909gold | G*** |
| 1 | LOGO | panels:latest0909mask | G*** |
The 237 most common of 253 parts.
Questions
How big is the Touch panel PCB?
It measures 101.3 × 128.4 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Touch panel use?
253 parts, built around the LM3900D. 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 Touch panel KiCad files?
From the microresearch/allcolours repository on GitHub, at the commit this page was made from: the board is touch/touch_kicad_new2024/touch_panel_filter/touch_panel.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Touch panel design in my own project?
Its repository states no licence, so its author keeps all rights: ask microresearch before reusing the design.
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