NB3 Mouth
About the NB3 Mouth PCB
NB3 Mouth is an open source PCB design by NoBlackBoxes, published on GitHub under the CC-BY-NC-4.0 license. It is a 2-layer board measuring 20 × 18 mm, with 7 components from 6 distinct parts.
Other key parts include the MAX98357AETE+T. By type, the board carries 3 connectors, 2 capacitors, 1 IC and 1 resistor.
It belongs with the audio designs in this gallery.
From the project
A course for brains interested in brains (not tools interested in tools)
PCB design and fabrication for NB3 mouth, a mono i2s DAC and Amplifier
Main components on the NB3 Mouth
NB3 Mouth bill of materials (BOM)
7 components, 6 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MAX98357AETE+T | I2S_DAC-AMP_MAX98357A | IC1 |
| 2 | Conn_02x03_Odd_Even | PinHeader_2x03_P2.54mm_Vertical_SMD | J1, J2 |
| 1 | Conn_01x02 | PinHeader_1x02_P2.54mm_Horizontal | J3 |
| 1 | 10uF | C_0805_2012Metric | C1 |
| 1 | 0.1uF | C_0402_1005Metric | C2 |
| 1 | 634k | R_0402_1005Metric | R1 |
NB3 Mouth design files
The KiCad project lives in the NoBlackBoxes/LastBlackBox repository on GitHub; these links point at the commit this page was built from.
NB3 Mouth: common questions
How big is the NB3 Mouth PCB?
The NB3 Mouth measures 20 × 18 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the NB3 Mouth?
7 components, from 6 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the NB3 Mouth design files?
From the NoBlackBoxes/LastBlackBox repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the NB3 Mouth design in my own project?
It is published under CC-BY-NC-4.0, which limits how it may be reused; read the license before building on it.
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