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2 layers100 × 130 mmClockBack, the printed circuit board in 3D

This is the PCB design for various projects. Some have associated uC code, but that is seperate. There are seperate repos for some projects under evarty. A number of these have GCode as well.

Size
100 × 130 mm
Copper layers
2
Thickness
1.6 mm
Parts
44
Nets
84
Pads
233
Tracks, vias
551, 31
Pours
8
Routed
Yes
KiCad
KiCad 4
Created
3 Apr 2016
Updated
6 Apr 2016

Overview

ClockBack is an open-source printed circuit board by evarty, from the evarty/KiCADPCB repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 100 × 130 mm with 44 parts on 84 nets, routed with 551 tracks and 31 vias.

It is built around the ATMEGA328P-PU, 74HC595 and 74HC14, with the DS1307Z+ among its other parts. Its parts include 12 resistors, 11 ICs, 6 capacitors, 4 connectors and 2 diodes. It belongs with the AVR (ATmega, ATtiny) boards of this library.

Main components

4

README

README.md

This is the PCB design for various projects. Some have associated uC code, but that is seperate. There are seperate repos for some projects under evarty. A number of these have GCode as well.

Parts

44
QtyValueFootprintReferences
41KResistors_ThroughHole:Resistor_Horizontal_RM10mmR3, R4, R5, R6
41k2Resistors_ThroughHole:Resistor_Horizontal_RM10mmR1, R2, R11, R12
474HC595Housings_DIP:DIP-16_W7.62mm_LongPadsU3, U4, U5, U6
47_segmentDisplays_7-Segment:MAN3640AU7, U8, U9, U10
3.1uCapacitors_ThroughHole:C_Disc_D6_P5C3, C4, C7
2.47uCapacitors_ThroughHole:C_Disc_D6_P5C1, C2
210KResistors_ThroughHole:Resistor_Horizontal_RM10mmR9, R10
2470RResistors_ThroughHole:Resistor_Horizontal_RM10mmR7, R8
2LEDLEDs:LED-5MMD1, D2
2PushButtonFootprints:PushButtonSW1, SW2
174HC14Housings_DIP:DIP-14_W7.62mm_LongPadsU2
1ATMEGA328P-PHousings_DIP:DIP-28_W7.62mm_LongPadsIC1
1BARREL_JACKConnect:BARREL_JACKCON1
1CONN_01X07Socket_Strips:Socket_Strip_Straight_1x07P3
1CONN_01X07Pin_Headers:Pin_Header_Straight_1x07P2
1CONN_02X03Pin_Headers:Pin_Header_Straight_2x03P1
1CrystalCrystals:Crystal_Round_Horizontal_2mmY1
1DS1307Housings_DIP:DIP-8_W7.62mm_LongPadsU1
1u1Capacitors_ThroughHole:C_Disc_D6_P5C5

The 38 most common of 44 parts.

Questions

How big is the ClockBack PCB?

It measures 100 × 130 mm and has 2 copper layers, 1.6 mm thick.

What parts does the ClockBack use?

44 parts, built around the ATMEGA328P-PU, 74HC595, 74HC14 and DS1307Z+. 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 ClockBack KiCad files?

From the evarty/KiCADPCB repository on GitHub, at the commit this page was made from: the board is ClockBack/ClockBack.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the ClockBack 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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