Wiring & Pinout Guide
Ewing Aerospace
This document describes the connector pinout and wiring for the Ewing 80A 4-in-1 ESC. Wire colors shown in diagrams are for reference only.
🔌 ESC ↔ Flight Controller Connector Pinout
Connector Signal Definitions
| Pin Name | Description | Notes |
|---|---|---|
| VBAT | Battery voltage output | Direct VBAT |
| GND | Ground | Common ground |
| ADC_CURR | Current sensor output | FC current monitoring |
| TLM | ESC Telemetry | Enable on FC UART |
| ESC1 | Motor 1 signal | DSHOT |
| ESC2 | Motor 2 signal | DSHOT |
| ESC3 | Motor 3 signal | DSHOT |
| ESC4 | Motor 4 signal | DSHOT |
⚙️ Motor Output Pads
Each motor output consists of three phase pads.
| Motor | Typical Location (Top View) |
|---|---|
| Motor 1 | Bottom Right |
| Motor 2 | Top Right |
| Motor 3 | Bottom Left |
| Motor 4 | Top Left |
Motor direction may be reversed in software.
🔋 Battery Input Pads
| Pad | Function |
|---|---|
| + | Battery positive (VBAT) |
| − | Battery ground (GND) |
- Rated for 3–12S LiPo
- Use appropriate wire depending on application
- Capacitor installation is mandatory for high-current setups
⚠️ Wiring Notes
- Verify connector orientation before powering
- Use a smoke stopper for first power-up
- Inspect for solder bridges or debris