Power Compatibility¶
Power Supply Compatibility¶
Internal Battery Power¶
| Power Source | Status | Notes |
|---|---|---|
| PicoCalc Internal Battery | ✅ Fully Supported | Rechargeable lithium-ion |
| PicoCalc USB-C Port | ✅ Supported | Battery charging + serial console to Lyra |
| Lyra USB-C Port | ✅ Supported | USB-OTG data only (does NOT charge PicoCalc) |
Two USB-C Ports
The PicoCalc has TWO USB-C ports with different functions:
- PicoCalc USB-C Port: Used for charging the internal battery and provides a USB serial console connection to the Lyra (at 1500000 baud)
- Lyra USB-C Port: Provides USB On-The-Go (OTG) functionality for external devices but does NOT charge the PicoCalc batteries. External devices must be 3.3V compatible or use an externally powered USB hub.