Nixie-Clock Baseboard
About the Nixie-Clock Baseboard PCB
Nixie-Clock Baseboard is an open source ESP8266 PCB design by FordPrfkt, published on GitHub under the MIT license. It is a 2-layer board measuring 160 × 50 mm, with 72 components from 52 distinct parts.
Its main chip is the ESP-12, from the ESP8266 family. Other key parts include the MC34063AP, 74HCT245DW, LM1117-5.0, LM1117-3.3 and MTCH101. By type, the board carries 27 resistors, 14 capacitors, 8 transistors, 8 diodes, 6 ICs and 4 connectors.
It belongs with the displays & leds designs in this gallery.
From the project
ESP8266 based universal base board for nixie clocks and IN14-Tube board
Main components on the Nixie-Clock Baseboard
Nixie-Clock Baseboard bill of materials (BOM)
72 components, 52 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MC34063AP | DIP-8_W7.62mm | IC1 |
| 1 | 74HCT245DW | SOIC-20W_7.5x12.8mm_Pitch1.27mm | IC2 |
| 1 | LM1117-5.0 | SOT-223-3_TabPin2 | U1 |
| 1 | ESP-12 | ESP-12 | U2 |
| 1 | LM1117-3.3 | SOT-223-3_TabPin2 | U3 |
| 1 | MTCH101 | SOT-23-6_Handsoldering | U4 |
| 1 | IRF740 | TO-220-3_Horizontal | Q1 |
| 2 | BC327 | TO-92_Inline_Wide | Q2, Q3 |
| 3 | BC337 | TO-92_Inline_Wide | Q4, Q6, Q8 |
| 1 | BS170 | TO-92_Molded_Narrow | Q5 |
| 1 | MPSA42 | TO-92_Molded_Narrow | Q7 |
| 1 | Power | JACK_ALIM | CON1 |
| 1 | Serial | Pin_Header_Angled_1x03_Pitch2.54mm | J1 |
| 1 | Display | Socket_Strip_Straight_1x07_Pitch2.54mm | J2 |
| 1 | HV | Socket_Strip_Straight_1x02_Pitch2.54mm | J3 |
| 1 | 100k | Potentiometer_Trimmer_Bourns_3296Z | RV1 |
| 1 | 1kR | Potentiometer_Trimmer_Bourns_3296Z | RV2 |
| 1 | Reset | SW_Tactile_SPST_Angled_PTS645Vx39-2LFS | SW1 |
| 1 | Flash | SW_Tactile_SPST_Angled_PTS645Vx39-2LFS | SW2 |
| 1 | MUR120 | D_DO-15_P10.16mm_Horizontal | D1 |
Show 32 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 1N914 | D_DO-35_SOD27_P10.16mm_Horizontal | D2 |
| 1 | LED | LED_0805_HandSoldering | D3 |
| 1 | Status | LED_0805_HandSoldering | D4 |
| 1 | LED | LED_D3.0mm | D5 |
| 1 | D_TVS | D_5W_P12.70mm_Horizontal | D6 |
| 1 | 1N5711 | D_DO-35_SOD27_P10.16mm_Horizontal | D7 |
| 1 | ZD20 / 1W | D_DO-41_SOD81_P10.16mm_Horizontal | D8 |
| 1 | 270µH / 1.2A | L_Radial_D12.5mm_P7.00mm_Fastron_09HCP | L1 |
| 1 | 220µF/25V | CP_Radial_D8.0mm_P3.50mm | C1 |
| 1 | 2µ2 / 250V | CP_Radial_D8.0mm_P3.50mm | C2 |
| 1 | 100nF | C_Disc_D3.0mm_W2.0mm_P2.50mm | C3 |
| 2 | 1.5nF | C_Disc_D3.0mm_W2.0mm_P2.50mm | C4, C14 |
| 1 | 10nF | C_Disc_D3.0mm_W2.0mm_P2.50mm | C5 |
| 2 | 10µF | CP_Tantalum_Case-A_EIA-3216-18_Hand | C6, C8 |
| 2 | 100µF | CP_Tantalum_Case-B_EIA-3528-21_Hand | C7, C11 |
| 1 | 1µF | C_0805_HandSoldering | C9 |
| 3 | 100nF | C_0805_HandSoldering | C10, C12, C13 |
| 1 | 560k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1 |
| 4 | 1R37 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R2, R11, R15, R16 |
| 4 | 1k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R3, R14, R22, R26 |
| 1 | 3k65 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R4 |
| 2 | 68R | R_0805_HandSoldering | R5, R10 |
| 2 | 470R | R_0805_HandSoldering | R6, R9 |
| 4 | 10k | R_0805_HandSoldering | R7, R8, R20, R21 |
| 2 | 4k7 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R12, R24 |
| 1 | 180R | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R13 |
| 1 | 220k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R17 |
| 1 | 120k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R18 |
| 1 | 680R | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R19 |
| 1 | 47R | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R23 |
| 1 | 68k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R25 |
| 1 | 27k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R27 |
Nixie-Clock Baseboard design files
The KiCad project lives in the FordPrfkt/NixieClock repository on GitHub; these links point at the commit this page was built from.
Nixie-Clock Baseboard: common questions
What microcontroller does the Nixie-Clock Baseboard use?
The Nixie-Clock Baseboard is built around the ESP-12, from the ESP8266 family.
How big is the Nixie-Clock Baseboard PCB?
The Nixie-Clock Baseboard measures 160 × 50 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Nixie-Clock Baseboard?
72 components, from 52 distinct parts. The full bill of materials is listed on this page.
Where can I download the Nixie-Clock Baseboard design files?
From the FordPrfkt/NixieClock repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Nixie-Clock Baseboard design in my own project?
Yes, under the terms of its MIT license, which FordPrfkt chose for the repository.
Can I test firmware for the Nixie-Clock Baseboard 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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