NixieNTPClock
About the NixieNTPClock PCB
NixieNTPClock is an open source ESP32 PCB design by bastian-bou, published on GitHub under the GPL-3.0 license. It is a 4-layer board measuring 181.4 × 77.2 mm, with 58 components from 37 distinct parts.
Its main chip is the ESP32-nodeMCU, from the ESP32 family. Other key parts include the 74HC7014, TLC555, K155ID1, ZM1242 and TLP627-4. By type, the board carries 17 resistors, 16 capacitors, 11 ICs, 6 transistors, 3 diodes and 2 inductors.
It belongs with the displays & leds designs in this gallery.
From the project
Nixie clock around ESP32 connected to a NTP server
Main components on the NixieNTPClock
NixieNTPClock bill of materials (BOM)
58 components, 37 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 74HC7014 | SOIC-14_3.9x8.7mm_Pitch1.27mm | U1 |
| 1 | TLC555 | DIP-8_W7.62mm_SMDSocket_SmallPads | U2 |
| 1 | K155ID1 | DIP-16_W7.62mm_Socket_LongPads | U3 |
| 4 | ZM1242 | ZM1242 | U4, U6, U7, U8 |
| 1 | TLP627-4 | DIP-16_W7.62mm_Socket_LongPads | U5 |
| 1 | TPS562200 | SOT-23-6 | U9 |
| 1 | DS18B20 | TO-92_Inline_Wide | U10 |
| 1 | ESP32-nodeMCU | ESP32 NodeMCU AZ | U11 |
| 1 | BC850 | SOT-23W_Handsoldering | Q1 |
| 1 | Q_NMOS_GDS | TO-252-2 | Q2 |
| 4 | FQT4N25TF | SOT-223-3_TabPin2 | Q3, Q4, Q5, Q6 |
| 1 | Conn_01x02_Male | PINHEAD1-2 | J1 |
| 1 | 1K | Potentiometer_Trimmer_Vishay_TS53YJ | RV1 |
| 1 | TestPoint | touch | TP1 |
| 1 | MBRS3200T3G | D_SMB_Handsoldering | D1 |
| 1 | D_Zener | D_SMB_Handsoldering | D2 |
| 1 | LED | D_0603 | D3 |
| 1 | 1mH 1A | Inductor_Wurth_HCI-1335 | L1 |
| 1 | 4.7µH | SELF-WE-TPC_M | L2 |
| 1 | 100µF-16V | CP_Elec_6.3x7.7 | C1 |
Show 17 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 2200pF | C_0603_HandSoldering | C2 |
| 7 | 100nF | C_0805_HandSoldering | C3, C4, C8, C10, C13, C15, C16 |
| 1 | 1nF | C_0603_HandSoldering | C5 |
| 1 | 4.7µF-250V | CP_Elec_10x7.7 | C6 |
| 5 | 22µF | CP_Elec_5x5.8 | C7, C9, C11, C12, C14 |
| 1 | 1K | R_1206_HandSoldering | R1 |
| 2 | 10K | R_1206_HandSoldering | R2, R11 |
| 1 | 5K6 | R_1206_HandSoldering | R3 |
| 1 | 33 | R_1206_HandSoldering | R4 |
| 1 | 4.7 | R_1206_HandSoldering | R5 |
| 1 | 220K | R_1206_HandSoldering | R6 |
| 1 | 470 | R_1206_HandSoldering | R7 |
| 1 | 220 | R_1206_HandSoldering | R8 |
| 5 | 100K | R_1206_HandSoldering | R9, R12, R13, R15, R16 |
| 1 | 54K9 | R_1206_HandSoldering | R10 |
| 1 | 4.7K | R_1206_HandSoldering | R14 |
| 1 | 7150 | R_1206_HandSoldering | R17 |
NixieNTPClock design files
The KiCad project lives in the bastian-bou/NixieNTPClock repository on GitHub; these links point at the commit this page was built from.
NixieNTPClock: common questions
What microcontroller does the NixieNTPClock use?
The NixieNTPClock is built around the ESP32-nodeMCU, from the ESP32 family.
How big is the NixieNTPClock PCB?
The NixieNTPClock measures 181.4 × 77.2 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the NixieNTPClock?
58 components, from 37 distinct parts. The full bill of materials is listed on this page.
Where can I download the NixieNTPClock design files?
From the bastian-bou/NixieNTPClock repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the NixieNTPClock design in my own project?
Yes, under the terms of its GPL-3.0 license, which bastian-bou chose for the repository.
Can I test firmware for the NixieNTPClock 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.
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