60 lines
No EOL
1.1 KiB
Markdown
Executable file
60 lines
No EOL
1.1 KiB
Markdown
Executable file
---
|
|
title: iPod Shuffle 3rd Gen attempts
|
|
date: 2025-12-11
|
|
modified: 2025-12-11
|
|
draft: true
|
|
---
|
|
Parts:
|
|
- Charging Circuit
|
|
- 
|
|
- Inputs:
|
|
- Seems to take 5V
|
|
- Outputs
|
|
- VBAT to Battery? (is that what the connection to BAT0 does??)
|
|
- VCC (3V) to system
|
|
- Battery
|
|
- Input: VBAT??
|
|
- Output: VBAT??
|
|
- MicroSD card Reader
|
|
- **Inputs**:
|
|
- VBUS? VSYS?
|
|
- CLK
|
|
- DI
|
|
- CS
|
|
- CD???
|
|
- VCC
|
|
- **Outputs**:
|
|
- DO
|
|
- TRRS Jack
|
|
- Outputs:
|
|
- Sleeve (is this analog or digital, if we're only checking for button press)
|
|
- Right (Analog)
|
|
- Left (Analog)
|
|
- RSw/LSw (floats when plug is inserted, why are there two? Mono?)
|
|
- BT Chip + Antenna (Built into SoC, assuming ESP32-S3)
|
|
- Inputs:
|
|
- Outputs:
|
|
- Switch
|
|
- Output state
|
|
- LED
|
|
- Input State
|
|
- SoC
|
|
- Assuming ESP32-S3
|
|
- Outputs:
|
|
- CLK
|
|
- CS
|
|
- TRRS Left (Analog)
|
|
- TRRS Right (Analog)
|
|
- SD DI
|
|
- LED
|
|
- USB D+/D-
|
|
- Inputs:
|
|
- TRRS Sleeve (Analog?)
|
|
- SD DO
|
|
- VCC
|
|
- Switch
|
|
- USB D+/D-
|
|
- LSw, RSw (?)
|
|
- USB-C Port
|
|
- 
|
|
- Outputs VBUS(5V?), USB D+/- |