LED Blinker Circuit Design
Table
| Rail | Load | Typical | Peak | Notes |
|---|---|---|---|---|
| USB_5V | Raspberry Pi Pico module | ~50 mA | ~100 mA | Pico has onboard 3.3 V regulator. Actual depends on firmware/peripherals. |
| 3V3_ESP | ESP32-S3-WROOM-1 | ~100–240 mA | 500 mA | Datasheet requires external 3.3 V supply capable of at least 0.5 A. |
| 3V3_ESP | Support passives | negligible | negligible | EN pull-up and capacitors only. |
Power Source
Loads
Regulator Selection
Design Decision