2 layers

Rtc design

PCB Design

Copper layers: 2
Thickness: 1.6 mm
Parts: 10
Nets: 15
Pads: 44
Tracks, vias: 127, 14
Routed: Yes
KiCad: KiCad 9.0 (file 20241229)
Created: 27 Oct 2025
Updated: 27 Oct 2025

Overview

Rtc design is an open-source printed circuit board by optimusprime1221, from the optimusprime1221/RTC repository on GitHub. It is a 2-layer board with 10 parts on 15 nets, routed with 127 tracks and 14 vias.

It is built around the DS18B20Z, AT24CS01-SSHM-B and DS1307Z+. Its parts include 4 ICs, 3 resistors, 1 diode, 1 connector and 1 crystal.

Main components

Parts

Qty	Value	Footprint	References
3	R	Resistor_SMD:R_0402_1005Metric	R1, R2, R3
1	AT24CS01-SSHM	Package_SO:SOIC-8_3.9x4.9mm_P1.27mm	U2
1	Conn_01x05_Socket	Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Vertical	J1
1	Crystal	Crystal:Crystal_HC52-6mm_Vertical	Y1
1	DS1307Z+	Package_SO:SOIC-8_3.9x4.9mm_P1.27mm	U1
1	DS18B20Z	Package_SO:SOIC-8_3.9x4.9mm_P1.27mm	U3
1	LED	LED_SMD:LED_0201_0603Metric	D1
1	~	CR2032:CR2032-SMD	U4

Questions

What parts does the Rtc design use?

10 parts, built around the DS18B20Z, AT24CS01-SSHM-B 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 Rtc design KiCad files?

From the optimusprime1221/RTC repository on GitHub, at the commit this page was made from: the board is rtc_design.kicad_pcb and its schematic rtc_design.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Rtc design design in my own project?

Its repository states no licence, so its author keeps all rights: ask optimusprime1221 before reusing the design.

Project files

Show this board on your page

A live frame, for any web page

<iframe src="https://pcbkit.io/embed/boards/optimusprime1221-rtc" title="Rtc design in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>

A picture

<img src="https://pcbkit.io/embed/boards/optimusprime1221-rtc.jpg" alt="Rtc design" width="1200" height="900">

A picture that opens the board, for a README

[![Rtc design](https://pcbkit.io/embed/boards/optimusprime1221-rtc.jpg?size=s)](https://pcbkit.io/boards/optimusprime1221-rtc)

Source

Repository: optimusprime1221/RTC
Board file: rtc_design.kicad_pcb
Commit: 59432ef
Licence: Not stated

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