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2 layers26.3 × 31.5 mm7seg clock, the printed circuit board in 3D

A PCB for leoclees 7segment RGB clock

Size
26.3 × 31.5 mm
Copper layers
2
Thickness
1.6 mm
Parts
12
Nets
7
Pads
43
Tracks, vias
79, 4
Pours
7
Routed
Yes
KiCad
KiCad 5 (file 20171130)
Created
4 Jul 2018
Updated
4 Jul 2018

Overview

7seg clock is an open-source printed circuit board by Duckle29, from the Duckle29/7seg-clock-pcb repository on GitHub, published under the MIT licence. It is a 2-layer board of 26.3 × 31.5 mm with 12 parts on 7 nets, routed with 79 tracks and 4 vias.

It is built around the WEMOS D1 MINI and BSS138. Its parts include 4 resistors, 2 transistors, 2 connectors and 1 capacitor. It belongs with the lEDs and displays boards and the ESP8266 boards of this library.

Main components

2

README

readme.md

A small PCB for stacking on a WemosD1-mini to control two strips of WS2812 LEDs

This board has been made to work with this 7 segment clock. It uses 2 mosfets as level-shifters instead of the levelshifter chip originally used. It also incorporates the barrel-jack into the PCB

front renderfront render

Parts

12
QtyValueFootprintReferences
410kResistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolderR1, R2, R3, R4
2BSS138Package_TO_SOT_SMD:SOT-23_HandsolderingQ1, Q2
110uFCapacitor_THT:CP_Radial_D6.3mm_P2.50mmC1
1Barrel JackConnector_BarrelJack:BarrelJack_HorizontalJ1
1StripsConnector_PinSocket_2.54mm:PinSocket_1x06_P2.54mm_VerticalJ2
1WeMos_D1_miniModule:WeMos_D1_miniA1

The 10 most common of 12 parts.

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Questions

How big is the 7seg clock PCB?

It measures 26.3 × 31.5 mm and has 2 copper layers, 1.6 mm thick.

What parts does the 7seg clock use?

12 parts, built around the WEMOS D1 MINI and BSS138. 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 7seg clock KiCad files?

From the Duckle29/7seg-clock-pcb repository on GitHub, at the commit this page was made from: the board is 7seg-clock.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the 7seg clock design in my own project?

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