Comments (1)
This is mostly done; it turned out to be a transistor family thing (HC vs LS). We're using VHC on the actual board so hopefully that'll be okay.
The new UVLO logic described in #4 has not been tested and we're still banking on the enable pin of the regulator working as we expect it to.
But I think this is good enough for a prototype.
from glowing-potato.
Related Issues (20)
- VS1053 Prototype HOT 2
- Change the charge IC/CP2102N circuit to disable charging when CHREN is low HOT 1
- Add charge detect back in HOT 1
- Pick a battery! HOT 2
- CAD for the case HOT 1
- Pick magnets
- Resistors consolidated and on the BOM
- Capacitors consolidated and on the BOM
- Add BOM(s) to this repo
- Backup Board: V3P3 and 3V3 are separate nets
- Backup Board: Headers are misaligned for the VS1053 and the ESP32
- Backup Board: Pads for the resistors/capacitors are too small
- Backup Board: Resistor/Capacitor footprints aren't quite right
- Backup Board: Label sizing is inconsistent
- Backup Board: Some spacing issues
- Backup Board: VS1053's reset pin should be pulled up
- Backup Board: Add debounce circuitry to all the buttons
- Backup Board: Add a header for the AT42Q HOT 1
- Backup Board: VS1053 pins are mirrored horizontally
- Pico revA makes use of capacitors that do not exist
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from glowing-potato.