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4 layers285.2 × 132.3 mmFlipclock, the printed circuit board in 3D

files of the flipdot-ring project

Size
285.2 × 132.3 mm
Copper layers
4
Thickness
1.6 mm
Parts
222
Nets
261
Pads
1,016
Tracks, vias
789, 80
Pours
311
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
2 Dec 2025
Updated
14 Sep 2026

Overview

Flipclock is an open-source printed circuit board by pierre-muth, from the pierre-muth/flipdot-ring repository on GitHub, published under the GPL-3.0 licence. It is a 4-layer board of 285.2 × 132.3 mm with 222 parts on 261 nets, routed with 789 tracks and 80 vias.

It is built around the BAV99. Its parts include 169 diodes, 27 ICs, 8 connectors, 5 resistors and 3 capacitors. It belongs with the PIC boards of this library.

Main components

1

README

README.md

flipdot-ring

Files of the flipdot-ring project It's basically a big circular flipdot display acting as a clock.

Details on www.pierremuth.com

Youtube Polapi-zero video

Parts

222
QtyValueFootprintReferences
168BAV99flipclock:SOT-23D1, D10, D11, D100, D101, D102, D103, D104, D105, D106, D107, D108, D109, D110, D111, D112 +152
247_flip_dotsflipclock:7x1flipdotU1, U2, U10, U11, U12, U13, U14, U15, U16, U17, U18, U19, U20, U21, U22, U23 +8
10MountingHoleMountingHole:MountingHole_3.2mm_M3H1, H2, H3, H4, H5, H6, H7, H8, H9, H10
40Resistor_SMD:R_0805_2012MetricR1, R2, R3, R11
3Cflipclock:C_1210_3225Metric_Pad1.33x2.70mm_HandSolderC1, C2, C4
3Conn_01x03_PinConnector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_VerticalJ6, J7, J8
2Conn_01x02_PinConnector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_VerticalJ4, J5
2Conn_01x08_PinConnector_PinHeader_2.54mm:PinHeader_2x04_P2.54mm_VerticalJ2, J3
2FP2800APackage_DIP:DIP-40_W15.24mm_SocketIC1, IC2
11kResistor_SMD:R_0805_2012MetricR9
1Conn_01x05_PinConnector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_VerticalJ1
1LED_SmallLED_SMD:LED_0805_2012MetricD170
1PIC16F15356-xSSflipclock:SSOP-28_5.3x10.2mm_P0.65mmU25

Questions

How big is the Flipclock PCB?

It measures 285.2 × 132.3 mm and has 4 copper layers, 1.6 mm thick.

What parts does the Flipclock use?

222 parts, built around the BAV99. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Flipclock KiCad files?

From the pierre-muth/flipdot-ring repository on GitHub, at the commit this page was made from: the board is KICAD/flipclock/flipclock.kicad_pcb and its schematic KICAD/flipclock/flipclock.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Flipclock design in my own project?

Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

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