2 layers

Terminal proj

Copper layers: 2
Thickness: 1.6 mm
Parts: 40
Nets: 93
Pads: 239
Tracks, vias: 0, 0
Routed: Not yet
KiCad: KiCad 5 (file 20171130)
Created: 18 Feb 2021
Updated: 18 Feb 2021

Overview

Terminal proj is an open-source printed circuit board by kbittle, from the kbittle/upsKeypadTerminal repository on GitHub. It is a 2-layer board with 40 parts on 93 nets.

It is built around the ATMEGA328P-AU, MAX232N and PCF8574T. Its parts include 16 switches, 7 resistors, 6 capacitors, 4 ICs and 3 connectors. It belongs with the AVR (ATmega, ATtiny) boards of this library.

Main components

README

README.md

upsKeypadTerminal

Parts

Qty	Value	Footprint	References
16	SW_Push	Button_Switch_THT:SW_PUSH-12mm	SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8, SW9, SW10, SW11, SW12, SW13, SW14, SW15, SW16
5	10k	Resistor_SMD:R_0402_1005Metric	R1, R2, R3, R6, R7
4	1uf	Capacitor_SMD:C_0603_1608Metric	C3, C4, C5, C6
2	22pf	Capacitor_SMD:C_0603_1608Metric	C1, C2
2	330	Resistor_SMD:R_0402_1005Metric	R4, R5
2	PCF8574	Package_SO:SOIC-16W_7.5x10.3mm_P1.27mm	U2, U4
1	16mHz	Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm	V1
1	ATmega328P-AU	Package_QFP:TQFP-32_7x7mm_P0.8mm	U1
1	AVR-ISP-6	Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Vertical	J1
1	DB25_Female_MountingHoles	Connector_Dsub:DSUB-25_Female_Horizontal_P2.77x2.84mm_EdgePinOffset4.94mm_Housed_MountingHolesOffset7.48mm	J3
1	FTDI conn	Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Horizontal	J2
1	HY1602E	Display:HY1602E	DS1
1	MAX232	Package_SO:SOIC-16_3.9x9.9mm_P1.27mm	U3
1	Q_NPN_BEC	Package_TO_SOT_SMD:SOT-23	Q1
1	R_POT	Potentiometer_SMD:Potentiometer_Bourns_TC33X_Vertical	RV1

Questions

What parts does the Terminal proj use?

40 parts, built around the ATMEGA328P-AU, MAX232N and PCF8574T. 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 Terminal proj KiCad files?

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

Can I use the Terminal proj design in my own project?

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

Category and platform

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/kbittle-upskeypadterminal" title="Terminal proj 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/kbittle-upskeypadterminal.jpg" alt="Terminal proj" width="1200" height="900">

A picture that opens the board, for a README

[![Terminal proj](https://pcbkit.io/embed/boards/kbittle-upskeypadterminal.jpg?size=s)](https://pcbkit.io/boards/kbittle-upskeypadterminal)

Source

Repository: kbittle/upsKeypadTerminal
Board file: terminal_proj/terminal_proj.kicad_pcb
Commit: acf6b0c
Licence: Not stated

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