HardLabs

KC 3xNixieBargraphHat

Enthusela·DesktopControlPanel·pcbs/KC_3xNixieBargraphHat/KC_3xNixieBargraphHat.kicad_pcb

KC 3xNixieBargraphHat PCB layout, top view — open source Raspberry Pi board by Enthusela

About the KC 3xNixieBargraphHat PCB

KC 3xNixieBargraphHat is an open source Raspberry Pi PCB design by Enthusela, published on GitHub. It is a 2-layer board measuring 54.6 × 44.3 mm, with 63 components from 22 distinct parts.

Its main chip is the Raspberry_PI_Zero_Header, from the Raspberry Pi family. Other key parts include the MCP6411T-E/OT and LTV-817-A. By type, the board carries 28 resistors, 13 capacitors, 6 transistors, 6 diodes, 5 ICs and 4 connectors.

It belongs with the displays & leds, audio and iot & wireless designs in this gallery.

From the project

An open-source, hand-built, tactile, home-brew smart-home hub with analog PC audio monitoring and control.

An open-source, hand-built, tactile, home-brew smart-home hub with analog PC audio monitoring and control.

ARGB LED device control with HSV and color-temperature control modes App-based volume mixing in Windows, including OS/Game/Discord channels Motorised knobs enable multiple control modes on a single set of inputs Mains power control: Toggle switches control mains power to the PC, monitors, and speakers via rental-safe RF-based remote-control mains outlets. Analog audio monitoring: PC soundcard connects to VU meters and IN-9 Nixie Tubes for level and 3-band spectrum monitoring…

Main components on the KC 3xNixieBargraphHat

MCP6411T-E/OTRaspberry_PI_Zero_HeaderLTV-817-A

KC 3xNixieBargraphHat bill of materials (BOM)

63 components, 22 distinct parts — part numbers from the project's BOM.

QtyPartRefs
3
MCP6411T-E/OT
MCP6411
Microchip
U1, U3, U4
1
Raspberry_PI_Zero_Header
U2
1
LTV-817-A
LTV-817
Lite-on
U5
3
FDD7N25LZTM
ON Semiconductor
Q1, Q3, Q5
3
2N7002-TP
2N7002
Micro Commercial Components (MCC)
Q2, Q4, Q6
3
1725669
Screw_Terminal_1x02
Molex
J1, J2, J3
1
Conn_02x06
J4
1
5k
RV1
6
BAV99,235
BAV99
Nexperia USA Inc.
D1, D2, D3, D4, D5, D6
3
C0805C332KDRACAUTO
3.3nF
Kemet
C1, C5, C10
3
C0805C104K3RACTU
0.1uF
Kemet
C2, C6, C11
4
CL21F105ZBFNNNE
1uF
Kemet
C3, C4, C7, C13
3
C0805C102J5HACAUTO
1nF
Kemet
C8, C9, C12
9
RC0805FR-071KL
1k
Yageo
R1, R5, R6, R7, R8, R10, R25, R27 +1
3
RC0805FR-078K2L
1k
Yageo
R2, R9, R26
3
PR02000201001JR500
1k 2W
Vishay
R3, R11, R29
3
RC0805FR-07133RL
133
Yageo
R4, R12, R30
6
0
R15, R16, R17, R19, R21, R24
1
RC0805FR-071KL
100k
Yageo
R18
1
RT0805FRE071KL
1k
Yageo
R20
Show 2 more
QtyPartRefs
1
RC0805FR-071KL
330
Yageo
R22
1
RC0805FR-071KL
47k
Yageo
R32

KC 3xNixieBargraphHat design files

The KiCad project lives in the Enthusela/DesktopControlPanel repository on GitHub; these links point at the commit this page was built from.

KC 3xNixieBargraphHat: common questions

What microcontroller does the KC 3xNixieBargraphHat use?

The KC 3xNixieBargraphHat is built around the Raspberry_PI_Zero_Header, from the Raspberry Pi family.

How big is the KC 3xNixieBargraphHat PCB?

The KC 3xNixieBargraphHat measures 54.6 × 44.3 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the KC 3xNixieBargraphHat?

63 components, from 22 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 KC 3xNixieBargraphHat design files?

From the Enthusela/DesktopControlPanel 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 KC 3xNixieBargraphHat design in my own project?

The repository has no license, so all rights stay with Enthusela. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the KC 3xNixieBargraphHat without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug Raspberry Pi firmware against it before you order a PCB.

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