BoardPilotMP1584 mini buck converter with ESP32
Supply 4.5-28 V
Bus GPIO
Pins and ESP32 wiring
| Pin | Role | ESP32 pin | Notes |
|---|---|---|---|
| IN+ | Not wired to the ESP32 | — | Input 4.5 to 28 V |
| IN- | Ground | GND | Input ground, same as OUT- |
| OUT+ | Not wired to the ESP32 | — | Adjustable 0.8 to 20 V. Set 5 V with the trimmer BEFORE wiring it to VIN |
| OUT- | Ground | GND | To the ESP32 GND |
Suggested wiring for the 30-pin ESP32 DevKit, avoiding flash, input-only and strapping pins. BoardPilot checks it for you as you wire.
Sources
- MPS MP1584 datasheet, Input 4.5 to 28 V; 3 A peak; 0.8 V feedback reference
Try it in 3D in BoardPilot
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Part data: CC BY 4.0, free to reuse with credit to BoardPilot.