

Arm panel
For more detail on the project see links below:
- Size
- 60 × 570 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 1,110
- Nets
- 90
- Pads
- 1,645
- Tracks, vias
- 1,230, 305
- Pours
- 55
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 21 Feb 2023
- Updated
- 27 Feb 2023
Overview
Arm panel is an open-source printed circuit board by kingoflolz, from the kingoflolz/mic_hardware repository on GitHub. It is a 4-layer board of 60 × 570 mm with 1,110 parts on 90 nets, routed with 1,230 tracks and 305 vias.
It is built around the SN74LVC1G14DBV and MSM261D4030H1CPM. Its parts include 90 capacitors, 45 resistors, 10 connectors and 5 ICs.
Main components
2SN74LVC1G14DBV
SOT-23-5-40℃~+85℃ 1 1 1.16V~3.33V 1.65V~5.5V 10uA 2.3V 32mA 32mA 390mV~1.87V 550mV 6.5ns@2.5V,50pF 74LVC Schmitt trigger 电源关断保护、噪声抑制功能 SOT-23-5 Inverters ROHSTexas InstrumentsInvertersMSM261D4030H1CPM
OCLGA-8(3x4)-26dB、-25dB 1.8V 290uA、670uA 62dB、64dB Omnidirectional OCLGA-8(3x4) MEMS Microphones ROHSMEMSMEMS Microphones
README
README.mdPhased Array Microphone Hardware and Mechanical Designs
For more detail on the project see links below:
Parts
1,110| Qty | Value | Footprint | References |
|---|---|---|---|
| 45 | 100nF | Capacitor_SMD:C_0402_1005Metric | C11, C11, C11, C11, C11, C12, C12, C12, C12, C12, C15, C15, C15, C15, C15, C16 +29 |
| 45 | 10uF | Capacitor_SMD:C_0402_1005Metric | C1, C1, C1, C1, C1, C10, C10, C10, C10, C10, C13, C13, C13, C13, C13, C14 +29 |
| 45 | 56R | Resistor_SMD:R_0402_1005Metric | R1, R1, R1, R1, R1, R2, R2, R2, R2, R2, R3, R3, R3, R3, R3, R4 +29 |
| 40 | MSM261D4030H1CPM | MSM261D4030H1CPM:MSM261D4030H1CPM | MK1, MK1, MK1, MK1, MK1, MK2, MK2, MK2, MK2, MK2, MK3, MK3, MK3, MK3, MK3, MK4 +24 |
| 10 | MountingHole | MountingHole:MountingHole_3.2mm_M3 | H1, H1, H1, H1, H1, H2, H2, H2, H2, H2 |
| 5 | Conn_02x04_Counter_Clockwise | Connector_PinSocket_2.00mm:PinSocket_2x04_P2.00mm_Vertical | J1, J1, J1, J1, J1 |
| 5 | Conn_02x04_Counter_Clockwise | Connector_PinHeader_2.54mm:PinHeader_2x04_P2.54mm_Vertical | J2, J2, J2, J2, J2 |
| 5 | SN74LVC1G14DBV | Package_TO_SOT_SMD:SOT-23-5 | U1, U1, U1, U1, U1 |
The 200 most common of 1,110 parts.
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Questions
How big is the Arm panel PCB?
It measures 60 × 570 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Arm panel use?
1,110 parts, built around the SN74LVC1G14DBV and MSM261D4030H1CPM. 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 Arm panel KiCad files?
From the kingoflolz/mic_hardware repository on GitHub, at the commit this page was made from: the board is arm/arm_panel.kicad_pcb and its schematic arm/arm.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Arm panel design in my own project?
Its repository states no licence, so its author keeps all rights: ask kingoflolz before reusing the design.