VFD Clock
About the VFD Clock PCB
VFD Clock is an open source PIC PCB design by drewsum, published on GitHub. It is a 2-layer board measuring 200 × 50 mm, with 458 components from 103 distinct parts.
Its main chip is the PIC32MZ2048EFG100_IPT, from the PIC family. Other key parts include the LTC4365DDB, INA219BxDCN, MCP9804, TPS62130 and TLV6700. By type, the board carries 168 capacitors, 168 resistors, 61 ICs, 19 diodes, 16 transistors and 11 inductors.
It belongs with the displays & leds designs in this gallery.
From the project
A VFD clock centered around a PIC32MZ EF microcontroller
Main components on the VFD Clock
VFD Clock bill of materials (BOM)
458 components, 103 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LTC4365DDB | DFN-8-1EP_2x3mm_Pitch0.5mm | U201 |
| 9 | INA219BxDCN | SOT-23-8 | U301, U501, U503, U701, U703, U901, U903, U1102 +1 |
| 7 | MCP9804 | DFN-8-1EP_3x2mm_P0.5mm_EP1.3x1.5mm | U302, U502, U702, U902, U1101, U1803, U2602 |
| 3 | TPS62130 | QFN-16-1EP_3x3mm_Pitch0.5mm | U401, U601, U801 |
| 2 | TLV6700 | SOT-23-6 | U1001, U2401 |
| 1 | LT3757 | DFN-10-1EP_3x3mm_Pitch0.5mm | U1002 |
| 1 | LTC4151DD | DFN-10-1EP_3x3mm_Pitch0.5mm | U1103 |
| 1 | LTC4419DD | DFN-10-1EP_3x3mm_Pitch0.5mm | U1201 |
| 1 | TPS22929D | SOT-23-6 | U1202 |
| 1 | TPS63001 | Texas_DRC0010J_ThermalVias | U1203 |
| 1 | PIC32MZ2048EFG100_IPT | TQFP-100_14x14mm_Pitch0.5mm | U1401 |
| 1 | LTC6900 | SOT-23-5 | U1801 |
| 18 | 74LVC1G97 | SOT-363_SC-70-6 | U1802, U2001, U2002, U2003, U2004, U2005, U2006, U2007 +10 |
| 1 | DS3231MZ | SOIC-8_3.9x4.9mm_P1.27mm | U1901 |
| 1 | TPS71533 | SOT-353_SC-70-5 | U2101 |
| 2 | TCA9803 | VSSOP-8_3.0x3.0mm_P0.65mm | U2201, U2901 |
| 1 | DS1683 | SOIC-8_3.9x4.9mm_Pitch1.27mm | U2301 |
| 1 | FT234XD | DFN-12-1EP_3x3mm_Pitch0.45mm | U2402 |
| 1 | TPD3S014DBVR | SOT-23-6 | U2403 |
| 1 | ISO7321C | SOIC-8_3.9x4.9mm_Pitch1.27mm | U2501 |
Show 83 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ISO1541 | SOIC-8_3.9x4.9mm_P1.27mm | U2502 |
| 1 | TLP185xSE | SOIC-4_4.55x3.7mm_P2.54mm | U2503 |
| 1 | RN4871 | Microchip_RN4871 | U2701 |
| 3 | 74VHC541 | WQFN-20-1EP_2.5x4.5mm_P0.5mm_EP1x2.9mm | U2801, U2802, U2902 |
| 2 | IPC100N04S51R7ATMA1 | TDSON-8-1 | Q201, Q202 |
| 1 | IRFL214TRPBF | SOT-223-3_TabPin2 | Q1001 |
| 8 | BSS214NW | SOT-323_SC-70 | Q1301, Q1303, Q1304, Q1307, Q1309, Q1501, Q1801, Q2701 |
| 3 | IRLML2060 | SOT-23 | Q1302, Q1306, Q1308 |
| 2 | TP0610T | SOT-23 | Q1305, Q1310 |
| 1 | ASE-8.000MHz | Oscillator_SMD_Abracon_ASE-4Pin_3.2x2.5mm | X1701 |
| 1 | ECS-327KE | ECS-327KE | X1702 |
| 1 | +12V IN | BARREL_JACK | J201 |
| 1 | PICKIT3 | PICKIT3_Header | J1501 |
| 1 | I2C | Pin_Header_Straight_1x03_Pitch2.54mm | J1801 |
| 1 | USB UART | Pin_Header_Straight_1x03_Pitch2.54mm | J1802 |
| 1 | BLE UART | Pin_Header_Straight_1x03_Pitch2.54mm | J1803 |
| 1 | USB_B_Mini | USB_Mini-B | J2401 |
| 1 | DSP_IO_Connector | ERF8-030-07.0-S-DV-K-TR | J3001 |
| 1 | CR2032 | Keystone_1058_1x2032-CoinCell | BT1202 |
| 1 | TLH-5935/P | TLH-5935 | BT1203 |
| 1 | CST-931RP-A | MagneticBuzzer_CUI_CST-931RP-A | BZ1801 |
| 1 | MRST | SW_PUSH_6mm | SW1501 |
| 2 | TP | Pin_Header_Angled_1x01_Pitch2.54mm | TP201, TP2402 |
| 1 | 24V | D_SMA | D201 |
| 2 | MBR0580 | D_SOD-123 | D1001, D1801 |
| 7 | Green | LED_0603 | D2001, D2101, D2102, D2103, D2104, D2105, D2107 |
| 7 | Red | LED_0603 | D2002, D2003, D2004, D2005, D2006, D2007, D2106 |
| 1 | MBR0530 | D_SOD-123 | D2301 |
| 1 | Yellow | LED_0603 | D2401 |
| 3 | 2.2u | L_Vishay_IHLP-2020 | L401, L601, L801 |
| 1 | 100uH | L_Vishay_IHLP-4040 | L1001 |
| 1 | 2.2uH | L_Vishay_IHLP-1212 | L1201 |
| 6 | 600R 0.5A | L_0603 | L1601, L1602, L1701, L1702, L2401, L2402 |
| 91 | 0.1uF | C_0603 | C201, C204, C301, C302, C303, C403, C406, C501 +83 |
| 18 | 10nF | C_0603 | C202, C402, C602, C802, C1006, C1604, C1605, C1611 +10 |
| 15 | 1nF | C_0603 | C203, C1008, C1606, C1607, C1613, C1614, C1620, C1621 +7 |
| 1 | 100uF | CP_Tantalum_Case-X_EIA-7343-43_Reflow | C205 |
| 11 | 10uF | C_1206 | C401, C601, C801, C1001, C1002, C1201, C1202, C1203 +3 |
| 9 | 22uF | C_1206 | C404, C405, C604, C605, C804, C805, C1629, C3002 +1 |
| 1 | 6.8nF | C_0603 | C1007 |
| 7 | 4.7uF | C_0805 | C1009, C2102, C2202, C2204, C2405, C2905, C2907 |
| 1 | 1uF | C_1210 | C1010 |
| 3 | 0.1uF | C_0805 | C1011, C1105, C3001 |
| 8 | 10uF | C_0603 | C1603, C1610, C1617, C1624, C2301, C2302, C2303, C2701 |
| 2 | 47pF | C_0603 | C2408, C2409 |
| 1 | 0.56uF | C_2220 | C2503 |
| 1 | 6.04M | R_0603 | R201 |
| 1 | 86.6k | R_0603 | R202 |
| 1 | 243k | R_0603 | R203 |
| 1 | 100k | R_0603 | R204 |
| 5 | 10 | R_0603 | R205, R206, R1501, R1806, R2701 |
| 1 | 13.7k | R_0603 | R207 |
| 1 | 5.23k | R_0603 | R208 |
| 1 | 5.1k | R_0603 | R209 |
| 25 | 100 | R_0603 | R210, R212, R401, R403, R405, R407, R601, R603 +17 |
| 9 | 0.02 | R_0612 | R211, R402, R406, R602, R607, R802, R807, R1002 +1 |
| 61 | 10K | R_0603 | R404, R604, R605, R804, R805, R1008, R1009, R1207 +53 |
| 3 | 562k | R_0603 | R408, R1206, R1208 |
| 1 | 180k | R_0603 | R409 |
| 1 | 10.5k | R_0603 | R609 |
| 1 | 2k | R_0603 | R610 |
| 1 | 75k | R_0603 | R809 |
| 1 | 150k | R_0603 | R810 |
| 2 | 196k | R_0603 | R1003, R1204 |
| 4 | 237 | R_0603 | R1004, R1303, R1309, R1312 |
| 1 | 1.2k | R_0603 | R1005 |
| 1 | 17.4k | R_0603 | R1007 |
| 1 | 22k | R_0603 | R1010 |
| 1 | 2 | R_0603 | R1011 |
| 1 | 0.16 | R_0805 | R1012 |
| 1 | 10k | R_2512 | R1013 |
| 1 | 1 | R_0612 | R1015 |
| 1 | 36.5k | R_0603 | R1017 |
| 24 | 1k | R_0603 | R1018, R1505, R2003, R2004, R2007, R2008, R2011, R2012 +16 |
| 1 | 84.5k | R_0603 | R1201 |
| 1 | 45.3k | R_0603 | R1202 |
| 2 | 1.07M | R_0603 | R1203, R1801 |
| 2 | 0 | R_0805 | R1205, R1210 |
| 1 | 487k | R_0603 | R2402 |
| 1 | 6.04k | R_0603 | R2403 |
| 1 | 40.2k | R_0603 | R2404 |
| 2 | 27 | R_0603 | R2408, R2409 |
| 4 | 10k | R_Array_Convex_8x0602 | RN2801, RN2802, RN2901, RN2902 |
VFD Clock design files
The KiCad project lives in the drewsum/VFD_Clock repository on GitHub; these links point at the commit this page was built from.
VFD Clock: common questions
What microcontroller does the VFD Clock use?
The VFD Clock is built around the PIC32MZ2048EFG100_IPT, from the PIC family.
How big is the VFD Clock PCB?
The VFD Clock measures 200 × 50 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the VFD Clock?
458 components, from 103 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 VFD Clock design files?
From the drewsum/VFD_Clock repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the VFD Clock design in my own project?
The repository has no license, so all rights stay with drewsum. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the VFD Clock without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug PIC firmware against it before you order a PCB.
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