Importing SparkFun Schematic

flux

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fatenerris

can you find part numbers for parts that are missing a MPN? Parts should be in stock at digikey, thanks

flux

I’ll audit the current BOM for missing manufacturer part numbers, derive each part’s required value/package/rating, then select DigiKey-stocked orderable replacements and update the component properties where the match is unambiguous.

flux

Updated all electronic parts that were missing MPNs with DigiKey-stocked selections:
  • 33 Ω: Panasonic ERJ-3EKF33R0V
  • 1 kΩ: Panasonic ERJ-3EKF1001V
  • 2.2 kΩ: Panasonic ERJ-3EKF2201V
  • 3.3 kΩ: Panasonic ERJ-3EKF3301V
  • C1, 47 pF C0G 50 V: Murata GRM1885C1H470JA01D
  • C3, 1 µF X7R 16 V: Yageo CC0603KRX7R7BB105
  • FB2, 600 Ω @ 100 MHz: Murata BLM18HG601SN1D
Manufacturer, tolerance/rating, DigiKey preference, and purchase URLs were added. The solder jumpers remain without purchased-part MPNs because they are fabricated PCB features.
Source out-of-stock parts
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Files

Schematic

Layout

3D View

U1
B1
J4
R8
Resistance
2.2kΩ
R14
Resistance
33Ω
R21
Resistance
33Ω
R18
Resistance
33Ω
R3
Resistance
33Ω
R1
Resistance
1.0kΩ
R2
Resistance
33Ω
R11
Resistance
1.0kΩ
R4
Resistance
33Ω
J2
R19
Resistance
33Ω
R20
Resistance
33Ω
R5
Resistance
3.3kΩ
R6
Resistance
33Ω
R7
Resistance
2.2kΩ
PWR
J5
C3
Capacitance
1.0uF
J7
D2
J3
LED1
LED2
MEAS
C1
Not Recommended for New Designs
Capacitance
47pF
PPSLED
Flux Logo1
JP5
Hole1
J1
FB2
Resistance
2.56Ω
E1
D10
Import Notes — SparkFun u-blox GNSS MAX-M10S
Source schematic: https://cdn.sparkfun.com/assets/f/3/f/b/4/SparkFun_u-blox_GNSS_MAX-M10S_Schematic_v10.pdf
Related official source: https://github.com/sparkfun/SparkFun_u-blox_MAX-M10S
Imported scope
Recreated the SparkFun u-blox GNSS MAX-M10S rev V10 schematic netlist in Flux:
  • U1: u-blox MAX-M10S GNSS module
  • RF antenna path: SMA edge connector, RF ESD diode, bias tee bead/resistor/capacitor
  • Qwiic/I²C connectors and optional pull-up jumper
  • UART/control breakout headers
  • Backup battery/charge path
  • PWR and PPS LEDs with disable jumpers
  • MEAS jumper in the FTDI/header 3.3 V feed path
U1 pin-map correction
U1 was remapped/replaced with a corrected local part, MAX-M10S-00B SparkFun Pinmap, so the active U1 pin numbers now match the SparkFun/u-blox schematic:

Table

PinActive U1 signalConnection
1GNDGND
2TXDR3 → TXO
3RXDR6 → RXI
4EXTINTR18 → INT
5TIMEPULSER21 → PPS
6D_SELGND
7V_BCKPBACKUP
8VCC3.3V
9RESETR19 → RESET
10GNDGND
11RF_INRF_ANT
12GNDGND
13GNDGND
14VCC_RFR14 / RF bias filter
15GNDGND
16SDAR2 → SDA
17SCLR4 → SCL
18SAFEBOOTR20 → SAFE
The old imported library MAX-M10S instance was renamed U1_OLD, disconnected from signal nets, and excluded from BOM/PCB/Pick-and-Place because the remover tool hit a platform error. The active schematic component is U1.
Values and source notes
  • C1: 47 pF from the Eagle source extraction
  • C3: 1.0 uF
  • R14: 33 Ω from the Eagle source extraction
  • FB2: imported as 2.56 Ω from Eagle source extraction; PDF OCR also reported 2.66 Ω
  • D10: PESD0402-140 RF ESD diode; PDF OCR also referred to this as D1, while the Eagle source extraction identifies D10
  • I²C address note from schematic: 7-bit unshifted address 0x42
  • RF trace note from schematic: 2-layer, 1 oz copper, 1.6 mm board, Er 4.6, 6 mil polygon isolation, RF trace width 39.4 mil / 1.0 mm
Stand-ins / items to swap before exact PCB replication
  • B1 uses a small 2-terminal coin-cell retainer stand-in. Original SparkFun package is ML414H_IV01E / 6.8MM_COIN_CELL; swap to an exact part/footprint before layout if board-level mechanical compatibility matters.
  • D2 uses B5819WS as a close SOD-323 40 V Schottky stand-in for SparkFun's generic 0.5A/40V/420mV diode.
  • J1, J3, and J5 use equivalent pin headers rather than SparkFun Eagle library symbols/footprints.
Net mapping highlights
  • 3.3V: U1 VCC, Qwiic/header VCC, D2 anode, PWR jumper, JP5 source, MEAS output
  • VCC: J1 pin 4 side of the MEAS jumper
  • BACKUP: U1 V_BCKP, B1 positive, C3, R5 output
  • SDA / SCL: Qwiic and PTH I²C bus after 33 Ω series resistors
  • TXO / RXI: UART breakout and FTDI-style header side after 33 Ω series resistors
  • RF_ANT: U1 RF_IN, SMA signal, RF ESD diode, and bias tee bead
Intentional no-connects
  • J1 pins 1 and 5 (DTR/CTS positions)
  • J5 pin 2

  • Imported scope

  • U1 pin-map correction

  • Values and source notes

  • Stand-ins / items to swap before exact PCB replication

  • Net mapping highlights

  • Intentional no-connects