Wojciech Kaczmarski
d399765440
Update README.md
2025-07-16 12:58:55 +02:00
Wojciech Kaczmarski
65883bae14
updates
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- updated the 5V line (diode connected sources - USB and DC/DC)
- proposed a power on-off circuit based on a XNOR gate
- reannotated the schematic
- updated the PDF
2025-07-15 17:57:29 +02:00
Vlastimil Slinták
b78ae3aa55
Fixed constrains and board stackup based on PCBWay recommendations
2025-07-15 17:15:47 +02:00
Vlastimil Slinták
a1a40c5cc9
Fixed pinout for the SoM
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* Added missing pin definitions in MCM-iMX93 symbol
* Added information about the keyboard wiring
* Assigned all signals to pins in the SoM
2025-07-15 17:15:47 +02:00
Vlastimil Slinták
862a3383a0
Added footprint and positions for the side keys (BTN2/PTT)
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* Pad footprint on the original PCB (Retevis C62) is 1.7x2.2 mm.
* Side keys are mounted on a separate PCB soldered via 5 pads on
the main PCB.
2025-07-15 17:15:47 +02:00
Vlastimil Slinták
0b4d63befe
Added keyboard connector to the layout
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* Changed J7 connector from "01x16" to "01x16 with MP" variant
* Positioned J7 on the layout, bottom side
2025-07-15 17:15:47 +02:00
Vlastimil Slinták
97ef9cf510
Added footprint and 3D model for the FPC connector
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* JUSHUO AFC01-S16FCA-00
* LCSC C262665
2025-07-15 17:15:47 +02:00
OE3ANC
86210d62cf
Added PWM Pins
2025-07-15 12:18:20 +02:00
Vlastimil Slinták
38cf5989bc
Removed .kicad_prl from repository, it is in ignored files
2025-07-14 16:50:00 +02:00
Vlastimil Slinták
0fc47c2351
Added gitattributes to force Unix-style EOL
2025-07-14 16:50:00 +02:00
Vlastimil Slinták
77d46b0506
Changed all EOLs from Windows (CRLF) to Unix style (LF)
...
Unix style end-of-lines is standard in KiCAD world:
https://klc.kicad.org/general/g1/g1.7.html
2025-07-14 16:50:00 +02:00
Vlastimil Slinták
54589de294
Basic PCB outline and connector positions
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This is just a concept of the PCB layout. Work-in-progress
2025-07-14 12:31:58 +02:00
Vlastimil Slinták
92b031343d
Added 3D model of the SRN6028 inductor series
2025-07-14 12:31:58 +02:00
Vlastimil Slinták
f760677d9b
Updated MCM-iMX93 symbol in the schematics
2025-07-14 12:31:58 +02:00
Vlastimil Slinták
4e058db846
Fixed MCM-iMX93 footprint per manufacturer design
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* Added G1-G24 pads to the symbol, assigned GND signal
* Changed footprint per manufacturers specs
* Renamed the footprint from QFN-140 to MCM-iMX93
https://www.compulab.com/products/computer-on-modules/mcm-imx93-nxp-i-mx-93-som-smd-system-on-module/#devres
2025-07-14 12:31:58 +02:00
Vlastimil Slinták
b2f3a72dfc
Added mechanical mounting holes
2025-07-14 12:31:58 +02:00
Vlastimil Slinták
ea5a6baa7c
Added 3D models for USB-C and QFN-140 footprints
2025-07-14 12:31:58 +02:00
Vlastimil Slinták
92ac59d905
Changed PCB stackup from 2 to 4 layers
2025-07-14 12:31:58 +02:00
Wojciech Kaczmarski
18195bee4c
date, pdf plot
2025-07-13 22:15:21 +02:00
Vlastimil Slinták
c1b588ecb3
Fixed minor issues with the audio WM8960
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* Added optional 0R resistor between DAC and ADC LRC.
* Grounded all mic inputs and removed testpoints.
2025-07-13 22:13:11 +02:00
Vlastimil Slinták
f4f206ae14
Added second step-down converter for 3.3 V
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* Second TPS562203-based converter for 3.3 V rail.
* Changed inductors for a thinner variant 2.8 mm instead of 4.8 mm
* Recommended inductors are SRN6028-4R7M or FNR6028S4R7MT
* Removed 3.3V LDO output from the SoM
2025-07-13 22:13:02 +02:00
Vlastimil Slinták
bef8fc1700
Updated ignored files, removed fp-info-cache from the repository
2025-07-13 10:12:57 +02:00
Vlastimil Slinták
06974cd3e5
Updated GND symbol from the library
2025-07-13 10:12:57 +02:00
Vlastimil Slinták
ab37003d16
Fixed wrong pin names JPn->JDn in the WM8960 symbol
2025-07-13 10:12:57 +02:00
Vlastimil Slinták
581e4a612f
Added the audio input/output using WM8960
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* Replaced TAC5111 with WM8960.
* Connected internal speaker and headphone output.
* Added JACK_DETECK signal
* Connected 2.5mm jack to the WM8960.
* Added SAI3_MCLK to the SoM symbol.
2025-07-13 10:12:57 +02:00
Wojciech Kaczmarski
742ca433ad
Update README.md
2025-07-12 12:15:45 +02:00
Wojciech Kaczmarski
30f3c0809e
Merge pull request #4 from OE3ANC/feature/som-pin-list/oe3anc
...
Pinlist
2025-07-12 11:58:03 +02:00
OE3ANC
0524f91c81
Added pinout for the som
2025-07-12 11:47:52 +02:00
OE3ANC
3fdd380cd4
Added pinout for the som
2025-07-12 11:44:24 +02:00
Wojciech Kaczmarski
1e683bbdbc
Merge pull request #3 from slintak/wm8960_sym
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Added a new project library with the WM8960 audio codec
2025-07-11 11:19:09 +02:00
Vlastimil Slinták
5b3792d818
Added a new project library with the WM8960 audio codec
2025-07-10 22:12:59 +02:00
Wojciech Kaczmarski
f491912939
added Retevis C62 mainboard's photos for reference
2025-07-10 18:02:33 +02:00
Wojciech Kaczmarski
34868eeb58
added missing mic path
2025-07-10 15:49:08 +02:00
Wojciech Kaczmarski
4f3b832950
PDF plot
2025-07-10 09:53:14 +02:00
Wojciech Kaczmarski
01178adb08
Merge pull request #2 from slintak/power_supply_2S_batt
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Add 5V DC/DC Converter (2S battery)
2025-07-10 09:45:12 +02:00
Vlastimil Slinták
2665a6d910
Added 5V DC/DC converter for 2S battery input
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* Maximum expected power consumption: 3.2 W
* Maximum output current from the DC/DC converter: 0.65 A + 20%
* L3 inductor is missing footprint, will be added later
2025-07-09 22:12:30 +02:00
Vlastimil Slinták
69a66d7890
Updated credits
2025-07-09 21:09:12 +02:00
Vlastimil Slinták
7735140c53
Changed USB-C power symbol from +5V to VBUS
2025-07-09 21:09:08 +02:00
Wojciech Kaczmarski
9a6466ec65
routed some signals
2025-07-09 13:52:53 +02:00
Wojciech Kaczmarski
19294d287b
SOM pins update
2025-07-09 12:51:19 +02:00
Wojciech Kaczmarski
abd7fbc6b2
WIP SOM update
2025-07-07 16:22:57 +02:00
Wojciech Kaczmarski
e0c8f223c0
WIP SOM update
2025-07-06 21:40:13 +02:00
Wojciech Kaczmarski
d2d1bb7706
Update README.md
2025-06-08 12:38:52 +02:00
Wojciech Kaczmarski
8f9bde9f60
init push
2025-06-05 20:28:55 +02:00
