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Display and comms board

LeHack·SPSP·hardware/display_and_comms.kicad_pcb

Display and comms board layout, top view — open source board by LeHack

About the Display and comms board

Display and comms board is an open source PCB design by LeHack, published on GitHub under the Custom license license. It is a 2-layer board measuring 95.2 × 54.2 mm, with 26 components from 14 distinct parts.

Other key parts include the RN4020, 74HC14, 74HC238, 74HC595 and 74HC4066. By type, the board carries 13 resistors, 6 ICs, 2 connectors, 2 switches, 2 capacitors and 1 diode.

It belongs with the iot & wireless, displays & leds and sensors designs in this gallery.

From the project

Particulate matter pollution monitoring system (:poland: System Pomiaru Stężenia Pyłu w powietrzu)

One of the goals of the project was to make it modular and easily fittable into a housing (in order to protect the electronics from weather elements). Therefore I designed two easily detachable (via flat cable) PCBs: * sensors PCB - for all the sensors to be joined together (excluding the PM10 sensor, which is attached via a separate cable, due to the nature of PM10 measurements)

Display and comms board, from the project README
From the project README

Main components on the Display and comms board

RN402074HC1474HC23874HC59574HC4066FJ-5461BH

Display and comms board bill of materials (BOM)

26 components, 14 distinct parts.

QtyPartRefs
1
RN4020
U4
1
74HC14
U5
1
74HC238
U6
1
74HC595
U7
1
74HC4066
U8
1
FJ-5461BH
U9
1
Power
J4
1
FPGA Connector
J5
1
B_PREV
SW1
1
B_NEXT
SW2
1
LED
D1
2
100nF
C4, C5
9
220
R3, R7, R8, R9, R10, R11, R12, R13 +1
4
10k
R4, R5, R6, R15

Display and comms board design files

The KiCad project lives in the LeHack/SPSP repository on GitHub; these links point at the commit this page was built from.

Display and comms board: common questions

How big is the Display and comms board?

The Display and comms board measures 95.2 × 54.2 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Display and comms board?

26 components, from 14 distinct parts. The full bill of materials is listed on this page.

Where can I download the Display and comms board design files?

From the LeHack/SPSP repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Display and comms board design in my own project?

It is published under Custom license, which limits how it may be reused; read the license before building on it.

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