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2 layers18.8 × 27.9 mmDisplay, the printed circuit board in 3D

A ring-sized watch

Size
18.8 × 27.9 mm
Copper layers
2
Thickness
0.8 mm
Parts
16
Nets
58
Pads
103
Tracks, vias
185, 24
Routed
Yes
KiCad
KiCad 5 (file 20171130)
Created
2 Nov 2018
Updated
22 Nov 2018

Overview

Display is an open-source printed circuit board by rmd6502, from the rmd6502/ringwatch repository on GitHub, published under the Unlicense licence. It is a 2-layer board of 18.8 × 27.9 mm with 16 parts on 58 nets, routed with 185 tracks and 24 vias.

It is built around the MDBT42Q and DS3231MZ/V+. Its parts include 8 resistors, 3 ICs, 3 connectors, 1 capacitor and 1 switch. It belongs with the lEDs and displays boards and the nRF52 and nRF5x boards of this library.

Main components

2

Parts

16
QtyValueFootprintReferences
8220Resistor_SMD:R_0402_1005MetricR1, R2, R3, R4, R5, R6, R7, R8
1.1µCapacitor_SMD:C_0805_2012MetricC1
1AS5601Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.35x2.35mmU2
1Conn_01x02_FemaleConnector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_VerticalJ3
1Conn_01x05_FemaleConnector_PinHeader_1.00mm:PinHeader_1x05_P1.00mm_VerticalJ2
1Conn_02x06_Counter_ClockwisePackage_DIP:DIP-12_W7.62mm_SMDSocket_SmallPadsJ1
1DS3231MZPackage_SO:SOIC-8_3.9x4.9mm_P1.27mmU3
1MDBT42QMDBT42Q:MDBT42QU1
1SW_PushButton_Switch_SMD:SW_SPST_B3S-1000SW1

Questions

How big is the Display PCB?

It measures 18.8 × 27.9 mm and has 2 copper layers, 0.8 mm thick.

What parts does the Display use?

16 parts, built around the MDBT42Q and DS3231MZ/V+. 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 Display KiCad files?

From the rmd6502/ringwatch repository on GitHub, at the commit this page was made from: the board is hardware/display.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the Display design in my own project?

Its repository publishes it under the Unlicense 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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