HardLabs

Nixie-Controller v2

DanielHeEGG·Nixie-Controller-v2

Nixie-Controller v2 PCB layout, top view — open source ESP32 board by DanielHeEGG
Simulate this board

About the Nixie-Controller v2 PCB

Nixie-Controller v2 is an open source ESP32 PCB design by DanielHeEGG, published on GitHub under the CC-BY-SA-4.0 license. It is a 4-layer board measuring 220 × 65 mm, with 201 components from 31 distinct parts.

Its main chip is the ESP32-WROOM-32E, from the ESP32 family. Other key parts include the MAX1771CSA, BH2226F-E2, CD74HC595M, SN74LVCC3245ANSR and NCP1117LPST50T3G. By type, the board carries 72 resistors, 61 transistors, 32 capacitors, 22 ICs, 8 connectors and 1 module.

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

From the project

Second generation universal nixie clock controller

For more details on the project, see Hackaday Page.

Sockets designed to work with this controller are in the NCv2-Sockets repo.

Firmware files are in the NCv2-Firmware repo.

Main components on the Nixie-Controller v2

MAX1771CSABH2226F-E2CD74HC595MSN74LVCC3245ANSRNCP1117LPST50T3GNCP1117LPST33T3GOPA180IDBVTCD74HC4067MM41T01M6FSTM32F103C8T6ESP32-WROOM-32E

Nixie-Controller v2 bill of materials (BOM)

201 components, 31 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
MAX1771CSA
MAX1771
Maxim
U1
1
BH2226F-E2
BH2226
Rohm Semi
U2
3
CD74HC595M
74HC595
TI
U3, U4, U5
1
SN74LVCC3245ANSR
SN74LVCC3245A
TI
U6
1
NCP1117LPST50T3G
NCP1117-5.0
ON Semi
U7
1
NCP1117LPST33T3G
NCP1117-3.3
ON Semi
U8
6
OPA180IDBVT
OPA180
TI
U9, U13, U15, U17, U19, U21
6
CD74HC4067M
74HC4067
TI
U10, U14, U16, U18, U20, U22
1
M41T01M6F
M41T01
ST Micro
U11
1
STM32F103C8T6
STM32F103C8
ST Micro
U12
1
ESP32-WROOM-32E
A1
1
IXFY26N30X3
~
IXYS
Q1
60
MMBTA42
~
Nexperia
Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9 +52
1
SC20S-12.5PF20PPM
32.768KHz
Seiko
Y1
6
~
~
J1, J2, J3, J4, J5, J6
1
12V DC JACK
J7
1
RST
J8
1
1058
BACKUP
Keystone
BT1
1
3214J-1-502E
5K
Bourns
RV1
1
ES2F
~
Vishay
D1
Show 11 more
QtyPartRefs
1
SRR1210A-470M
47uH
Bourns
L1
1
T510X107M020ATE045
100uF
Kemet
C1
24
CC0402KRX7R8BB104
100nF
Yageo
C2, C4, C5, C6, C7, C8, C13, C14 +16
1
UUX2E100MNL1GS
10uF
Nichicon
C3
4
UUL1H100MCL1GS
10uF
Nichicon
C9, C10, C11, C12
1
CC0603MRX5R5BB475
4.7uF
Yageo
C15
1
UWF0J470MCL1GB
47uF
Nichicon
C24
1
RC0805FR-071M2L
1.2M
Yageo
R1
1
PE2010FKE070R05L
0.05
Yageo
R2
64
RC0402FR-076K8L
6.8K
Yageo
R3, R4, R5, R6, R7, R8, R9, R10 +56
6
RC0402FR-07470RL
470
Yageo
R14, R29, R40, R51, R62, R73

Nixie-Controller v2 design files

The KiCad project lives in the DanielHeEGG/Nixie-Controller-v2 repository on GitHub; these links point at the commit this page was built from.

Nixie-Controller v2: common questions

What microcontroller does the Nixie-Controller v2 use?

The Nixie-Controller v2 is built around the ESP32-WROOM-32E, from the ESP32 family.

How big is the Nixie-Controller v2 PCB?

The Nixie-Controller v2 measures 220 × 65 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Nixie-Controller v2?

201 components, from 31 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 Nixie-Controller v2 design files?

From the DanielHeEGG/Nixie-Controller-v2 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 Nixie-Controller v2 design in my own project?

Yes, under the terms of its CC-BY-SA-4.0 license, which DanielHeEGG chose for the repository.

Can I test firmware for the Nixie-Controller v2 without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP32 firmware against it before you order a PCB.

Similar boards