Wojciech Kaczmarski
ede647d8a1
added GND vias
...
- updated PDF render
2025-07-28 16:25:31 +03:00
Vlastimil Slinták
cde5906146
Connected battery voltage to the SoM ADC input
2025-07-27 13:18:23 +02:00
Wojciech Kaczmarski
b5e0472232
tiny changes
...
- rearranged the `SWITCH_ON_OFF` connection on the root page slightly
- updated the date
- updated PDF render
2025-07-27 13:18:14 +02:00
Vlastimil Slinták
0346643fbd
Changed footprint of the C16 capacitor from 1206 to 0402
2025-07-24 15:52:11 +02:00
Vlastimil Slinták
eee650e197
Fixed majority of ERC warnings and errors
2025-07-24 09:50:35 +02:00
Vlastimil Slinták
23500908d9
Assigned missing footprints
2025-07-24 09:11:57 +02:00
Vlastimil Slinták
4c3c49e379
Added on/off switch and volume pot to schematics and layout
2025-07-23 12:36:08 +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
Vlastimil Slinták
04f8da908a
Assigned footprint and layout position of the battery connector
2025-07-19 13:00:08 +03:00
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
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
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
Wojciech Kaczmarski
18195bee4c
date, pdf plot
2025-07-13 22:15:21 +02:00
Vlastimil Slinták
f4f206ae14
Added second step-down converter for 3.3 V
...
* 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
Wojciech Kaczmarski
34868eeb58
added missing mic path
2025-07-10 15:49:08 +02:00
Vlastimil Slinták
2665a6d910
Added 5V DC/DC converter for 2S battery input
...
* 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
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
8f9bde9f60
init push
2025-06-05 20:28:55 +02:00
