HardLabs

Nixie clock

limpkin·nixie_clock·kicad/nixieclock.kicad_pcb

Nixie clock PCB layout, top view — open source ESP8266 board by limpkin
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About the Nixie clock PCB

Nixie clock is an open source ESP8266 PCB design by limpkin, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 200 × 200 mm, with 602 components from 35 distinct parts.

Its main chip is the ESP8266-12-E, from the ESP8266 family. Other key parts include the LD1117S12TR, ASE-10.000MHZ-LC-T, XC3S50AN/TQG144, 7DIGIT2.3IN and PCA9624. By type, the board carries 171 resistors, 168 capacitors, 120 fuses, 66 connectors, 60 transistors and 13 ICs.

It belongs with the displays & leds designs in this gallery.

Main components on the Nixie clock

LD1117S12TRESP8266-12-EASE-10.000MHZ-LC-TXC3S50AN/TQG1447DIGIT2.3INPCA9624AOZ1280

Nixie clock bill of materials (BOM)

602 components, 35 distinct parts.

QtyPartRefs
1
LD1117S12TR
U1
1
ESP8266-12-E
U2
1
ASE-10.000MHZ-LC-T
U3
1
XC3S50AN/TQG144
U4
4
7DIGIT2.3IN
U5, U7, U8, U10
4
PCA9624
U6, U9, U11, U12
1
AOZ1280
U13
60
FCX458
Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8 +52
1
CONN_02X07
P1
1
CONN_01X04
P2
1
CONN_01X02
P3
1
CONN_01X03
P4
60
FP_NIXIE
P5, P6, P7, P8, P9, P10, P11, P12 +52
1
CONN_01X01
P65
1
CONN_01X01
P66
120
50mA/32VDC
F1, F2, F3, F4, F5, F6, F7, F8 +112
2
SW_PUSH
SW1, SW2
1
B340A-13-F
D1
1
2.2uH
L1
24
100nF
C1, C5, C7, C8, C9, C10, C11, C12 +16
Show 15 more
QtyPartRefs
1
10uF
C2
19
10nF
C3, C6, C25, C26, C27, C28, C29, C30 +11
3
22uF
C4, C43, C45
1
100uF
C42
60
100nF
C49, C51, C53, C55, C57, C59, C61, C63 +52
60
1uF
C50, C52, C54, C56, C58, C60, C62, C64 +52
72
1k
R1, R2, R5, R6, R8, R11, R14, R19 +64
1
120
R3
1
10k
R4
1
R
R7
88
220
R9, R10, R12, R13, R15, R16, R17, R22 +80
4
420
R18, R30, R40, R48
2
2k2
R31, R32
1
49k9
R49
1
15k8
R50

Nixie clock design files

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

Nixie clock: common questions

What microcontroller does the Nixie clock use?

The Nixie clock is built around the ESP8266-12-E, from the ESP8266 family.

How big is the Nixie clock PCB?

The Nixie clock measures 200 × 200 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Nixie clock?

602 components, from 35 distinct parts. The full bill of materials is listed on this page.

Where can I download the Nixie clock design files?

From the limpkin/nixie_clock repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Nixie clock design in my own project?

Yes, under the terms of its GPL-3.0 license, which limpkin chose for the repository.

Can I test firmware for the Nixie clock without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP8266 firmware against it before you order a PCB.

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