Commit graph

76 commits

Author SHA1 Message Date
Vlastimil Slinták
7ada320776 Changed resistor value for the volume to 15 kΩ 2025-07-28 16:58:25 +03:00
Vlastimil Slinták
d7ef1a6732 Changed LED power from 5V to 3.3 V and fixed their resistor values 2025-07-28 16:58:25 +03:00
Vlastimil Slinták
09441c8ca0 Assigned RF_SW_CTRL signal to the pin 104 on SoM 2025-07-28 16:58:25 +03:00
Vlastimil Slinták
00801c7ce1 Swapped RF inputs of the BGS12P2L6 for better PCB routing 2025-07-28 16:58:25 +03:00
Vlastimil Slinták
f183342342 Fixed 3D model path of the QFN50P500 footprint 2025-07-28 16:58:25 +03:00
Vlastimil Slinták
44fb812e66 Changed footprint of the C16 capacitor from 1206 to 0402 2025-07-28 16:58:25 +03:00
Vlastimil Slinták
b86fc3095c Added USB netclass to the USB traces near SoM 2025-07-28 16:58:25 +03:00
Vlastimil Slinták
a6525bceab Fixed minor schematic issues 2025-07-28 16:58:25 +03:00
Vlastimil Slinták
1e12e05291 Fixed value of the C39 capacitor to 10u from 100n 2025-07-28 16:58:25 +03:00
Vlastimil Slinták
c38361edcb Changed R1-R4 footprints from 0603 to 0402
Original footprint was a mistake.
2025-07-28 16:58:25 +03:00
Vlastimil Slinták
49f5e1c6f7 Fixed majority of ERC warnings and errors 2025-07-28 16:58:25 +03:00
Vlastimil Slinták
3f6bbc1195 Fixed MCM-iMX93 symbol, added pads G25-G28 2025-07-28 16:58:25 +03:00
Vlastimil Slinták
50ef9b7905 Added silkscreen and courtyard to the TSLP footprint 2025-07-28 16:58:25 +03:00
Vlastimil Slinták
f2776fc459 Assigned missing footprints 2025-07-28 16:58:25 +03:00
Vlastimil Slinták
12bf07995f Connected display pins 6-12 and 14 to the GND
Based on the original Retevis C62 PCB, these pins are grounded.
2025-07-28 16:58:25 +03:00
Vlastimil Slinták
adb29cc6e9 New footprint for the 20 pin display connector 2025-07-23 12:36:08 +03:00
Vlastimil Slinták
4c3c49e379 Added on/off switch and volume pot to schematics and layout 2025-07-23 12:36:08 +03:00
Vlastimil Slinták
9bb5b0f9b7 Added footprint and symbol for the on/off switch with a potentiometer 2025-07-23 12:36:08 +03:00
Vlastimil Slinták
6c4e5c8158 Added footprint of the SMA connector
The SMA connector is the original one used in Retevis C62. Dimensions
are based on measurements of the real part.
2025-07-23 12:36:08 +03:00
Vlastimil Slinták
2faee2114d Added solder pads (spring contacts) for GND and SPEAKER 2025-07-23 12:36:08 +03:00
Vlastimil Slinták
d203b444b7 Assigned footprint and set position on PCB for the LEDs 2025-07-23 12:36:08 +03:00
Vlastimil Slinták
4a04453e0d Assigned USB and RF netclasses
Two new netclasses are:
* USB for differential USB pair
* RF for any trace with 50 Ohm impedance
2025-07-22 14:34:27 +03:00
Wojciech Kaczmarski
8ab5ceccd6 re-arranged the schematic at "root" 2025-07-21 10:39:14 +03:00
Wojciech Kaczmarski
b62ca16bca update
- brought some order to page 1
- routed on/off signals
-added SoM pin #10
- rendered PDF
2025-07-20 21:03:05 +03:00
OE3ANC
ce628d9ade Added VOL_ADC, ON/OFF_SW, fixed typo 2025-07-19 21:24:29 +02:00
Vlastimil Slinták
04f8da908a Assigned footprint and layout position of the battery connector 2025-07-19 13:00:08 +03:00
Vlastimil Slinták
318fd589a5 Added footprint and 3D model for the BT-003 battery connector 2025-07-19 13:00:08 +03:00
Vlastimil Slinták
db21280711 Added modified footprint for the PJ-204 audio 2.5 mm jack
This alternative footprint does not have three mounting mechanical
holes. This will make the jack body 0.5 mm higher, making it better
aligned with the center of the 3.5 mm jack.
2025-07-17 21:25:07 +02:00
Wojciech Kaczmarski
357ef87f21 minor power on/off circuit tweaks 2025-07-17 20:10:45 +02:00
Wojciech Kaczmarski
f2454bd04e tweaked the power-on circuit
- supplied the XNOR gate with 5V instead of 3.3V
- added a MOSFET to drive the 3.3V DC/DC converter's EN pin
- removed a pull-up resistor at the ON/OFF line
2025-07-17 18:58:02 +02:00
Vlastimil Slinták
dd51cbecfe Assigned footprint and layout position of the 2.5 mm jack 2025-07-16 13:34:56 +02:00
Vlastimil Slinták
6308590bad Added footprint and 3D model for the PJ-204 audio 2.5 mm jack 2025-07-16 13:34:56 +02:00
Wojciech Kaczmarski
d399765440
Update README.md 2025-07-16 12:58:55 +02:00
Wojciech Kaczmarski
65883bae14 updates
- 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
* 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)
* 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
* 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
* 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
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
* 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