HardLabs

Mpcie lea m8t

neggles·mpcie-lea-m8t·mPCIe-GNSS/mPCIe-GNSS.kicad_pcb

Mpcie lea m8t PCB layout, top view — open source board by neggles

About the Mpcie lea m8t PCB

Mpcie lea m8t is an open source PCB design by neggles, published on GitHub under the MIT license. It is a 2-layer board measuring 30 × 51 mm, with 23 components from 19 distinct parts.

Other key parts include the LEA-M8T. By type, the board carries 7 resistors, 5 capacitors, 3 LEDs, 2 transistors, 2 connectors and 1 IC.

It belongs with the rf & radio designs in this gallery.

From the project

This is a little miniPCIe card I designed to hold a u-blox LEA-M8T GNSS module, with an IO header and an optional backup supercap. The IO header has both timepulse outputs, as well as UART TX/RX. Module USB is connected to miniPCIe USB. I have not included a way to switch from UA

This is a little miniPCIe card I designed to hold a u-blox LEA-M8T GNSS module, with an IO header and an optional backup supercap. The IO header has both timepulse outputs, as well as UART TX/RX. Module USB is connected to miniPCIe USB. I have not included a way to switch from UART to SPI.

I had this made by JLCPCB using their 1mm thick PCBs, and elected to get them to assemble most of it - while all of the parts except the supercapacitor, connectors, and GNSS module are in their extended part library, it didn't make sense to spend $6 on extended part fees for two assembled boards, so I…

Mpcie lea m8t, from the project README
From the project README

Main components on the Mpcie lea m8t

LEA-M8T

Mpcie lea m8t bill of materials (BOM)

23 components, 19 distinct parts.

QtyPartRefs
1
LEA-M8T
U1
2
DTC143ZEBTL
Q1, Q2
1
ANT
J1
1
IO
J2
1
DSK-3R3H224U
BAT1
1
miniPCIe
PC1
1
PWR
LED1
1
TP1
LED2
1
TP2
LED3
1
RB520S30T1G
D1
2
10uF
C1, C2
1
100nF
C3
1
4.7uF
C4
1
100nF
C5
1
51R
R1
2
220R
R2, R3
2
33R
R4, R5
1
10R
R6
1
1K
R7

Mpcie lea m8t design files

The KiCad project lives in the neggles/mpcie-lea-m8t repository on GitHub; these links point at the commit this page was built from.

Mpcie lea m8t: common questions

How big is the Mpcie lea m8t PCB?

The Mpcie lea m8t measures 30 × 51 mm, has 2 copper layers and is 1 mm thick.

How many components are on the Mpcie lea m8t?

23 components, from 19 distinct parts. The full bill of materials is listed on this page.

Where can I download the Mpcie lea m8t design files?

From the neggles/mpcie-lea-m8t repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Mpcie lea m8t design in my own project?

Yes, under the terms of its MIT license, which neggles chose for the repository.

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