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2 layers23.1 × 25.4 mmTraffic, the printed circuit board in 3D

Addon modules for OpenPLC experiments. - Traffic light - represent a 3 way traffic light - Motor driver for lift - circuit required for driving the motor, receiving and passing on the limit-switch state and as an…

Size
23.1 × 25.4 mm
Copper layers
2
Thickness
1.6 mm
Parts
11
Nets
10
Pads
26
Tracks, vias
73, 0
Routed
Yes
KiCad
KiCad 5 (file 20171130)
Created
15 May 2020
Updated
15 Sep 2020

Overview

Traffic is an open-source printed circuit board by FOSSEE, from the FOSSEE/openplc_modules repository on GitHub, published under the MIT licence. It is a 2-layer board of 23.1 × 25.4 mm with 11 parts on 10 nets, routed with 73 tracks and 0 vias.

It is built around the MMBT3906. Its parts include 5 diodes, 3 connectors, 2 resistors and 1 transistor.

Main components

1

README

README.md

OpenPLC Modules

Addon modules for OpenPLC experiments.

  • Traffic light - represent a 3 way traffic light traffic
  • Motor driver for lift - circuit required for driving the motor, receiving and passing on the limit-switch state and as an indicator showing the given logic lift
  • Heater/temperature control - elements to drive the roister, which also doubles as the heating element, the cooling fan and collecting and passing on thermistor values heater
  • Switches - an array of a combination of NO, NC and latch switches with indicator LEDs switches

Parts

11
QtyValueFootprintReferences
2RResistors_SMD:R_0603_HandSolderingR1, R2
1Conn_01x01_MaleSocket_Strips:Socket_Strip_Straight_1x01_Pitch2.54mmJ3
1Conn_01x02_MaleSocket_Strips:Socket_Strip_Straight_1x02_Pitch2.54mmJ2
1Conn_01x06_MaleSocket_Strips:Socket_Strip_Straight_1x06_Pitch2.54mmJ1
1GOLEDs:LED_D5.0mmD2
1LEFTLEDs:LED_D5.0mmD1
1MMBT3906TO_SOT_Packages_SMD:SOT-23Q1
1READYLEDs:LED_D5.0mmD4
1RIGHTLEDs:LED_D5.0mmD3
1STOPLEDs:LED_D5.0mmD5

Questions

How big is the Traffic PCB?

It measures 23.1 × 25.4 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Traffic use?

11 parts, built around the MMBT3906. 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 Traffic KiCad files?

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

Can I use the Traffic design in my own project?

Its repository publishes it under the MIT 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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