2 layers97.8 × 71.1 mm

Basic Clock

Documentation for the Split-Flap-Display project with the apprentice

Size: 97.8 × 71.1 mm
Copper layers: 2
Thickness: 1.6 mm
Parts: 33
Nets: 15
Pads: 101
Tracks, vias: 60, 2
Pours: 10
Routed: Yes
KiCad: KiCad 5 (file 20171130)
Created: 2 Feb 2020
Updated: 26 Feb 2024

Overview

Basic Clock is an open-source printed circuit board by oli4wolf, from the oli4wolf/Split-Flap-Display repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 97.8 × 71.1 mm with 33 parts on 15 nets, routed with 60 tracks and 2 vias.

It is built around the ATMEGA328P-PU. Its parts include 7 capacitors, 7 resistors, 4 switches, 3 connectors and 2 ICs. It belongs with the lEDs and displays boards and the AVR (ATmega, ATtiny) boards of this library.

Main components

ATMEGA328P-PU
DIP-28-300mil-40℃~+85℃ 1.8V~5.5V 10bit 1KB 20MHz 23 2KB 32KB 8 Bit AVR Built-in FLASH DIP-28-300mil Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)

README

PCBs/Basic_Clock_v1.1/readme.md

Version 1.1 Changes

DIP for the RS485 Maxime microcontroller
U-Numbers added
Moved one wire 28v away from pin
Changed Namings from GND to 0V

Parts

Qty	Value	Footprint	References
4	100nF	Capacitor_THT:C_Rect_L7.0mm_W3.5mm_P5.00mm	C3 100nF, C5 100nF, C6 100nF, C7 100nF
4	10k	Resistor:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal	R4 10k, R5 10k, R6 10k, R7 10k
4	MountingHole	MountingHole:MountingHole_3.2mm_M3_ISO14580	H1, H2, H3, H4
3	Conn_01x02_Female	Connector THT:PinSocket_1x02_P2.54mm_Vertical	J_I2C1, J_POWER1, J_UART1
3	SW_Push	Button THT:SW_PUSH_6mm_H5mm	SW2, SW3, SW4
2	22pf	Capacitor THT:C_Rect_L7.0mm_W3.5mm_P5.00mm	C1 22pF, C2 22pF
2	Conn_01x04_Female	Connector THT:PinSocket_1x04_P2.54mm_Vertical	J1, J2
1	16Mhz	Quartz:Crystal_HC49-4H_Vertical	Y1
1	1K	Resistor:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal	R3 1k
1	1uF	Capacitor THT:CP_Radial_D5.0mm_P2.00mm	C4 1uF
1	240	Resistor:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal	R1 240
1	720	Resistor:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal	R2 720
1	ATmega328P-PU	Package_DIP:DIP-28_W7.62mm_Socket	U2
1	D	Diode THT:D_T-1_P10.16mm_Horizontal	D2
1	LM317_TO-220	TO SOT THT:TO-220-3_Vertical	U1
1	Power LED	LED:LED_D5.0mm_Clear	D1
1	SW_Push_Reset	Button THT:SW_PUSH_6mm_H5mm	SW1
1	Screw_Terminal_01x02	TerminalBlock_RND:TerminalBlock_RND_205-00232_1x02_P5.08mm_Horizontal	J4

Questions

How big is the Basic Clock PCB?

It measures 97.8 × 71.1 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Basic Clock use?

33 parts, built around the ATMEGA328P-PU. 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 Basic Clock KiCad files?

From the oli4wolf/Split-Flap-Display repository on GitHub, at the commit this page was made from: the board is PCBs/Basic_Clock_v0.3/Basic_Clock.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the Basic Clock 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).

Category and platform

LEDs and displays AVR (ATmega, ATtiny)

Project files

Show this board on your page

A live frame, for any web page

<iframe src="https://pcbkit.io/embed/boards/oli4wolf-split-flap-display-basic-clock" title="Basic Clock 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/oli4wolf-split-flap-display-basic-clock.jpg" alt="Basic Clock" width="1200" height="900">

A picture that opens the board, for a README

[![Basic Clock](https://pcbkit.io/embed/boards/oli4wolf-split-flap-display-basic-clock.jpg?size=s)](https://pcbkit.io/boards/oli4wolf-split-flap-display-basic-clock)

Source

Repository: oli4wolf/Split-Flap-Display
Board file: PCBs/Basic_Clock_v0.3/Basic_Clock.kicad_pcb
Commit: e0099ed
Licence: GPL-3.0
Copies: 2 copies in 1 repository

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