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ElectronicsArchiver committed Nov 20, 2021
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49 changes: 49 additions & 0 deletions README.md
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# A4988
The A4988 Stepper Motor Driver Carrier Board

![](./Files/Board.png)

---

*All specs are by default described for the*<br>
*PCB only, without pin headers, heat sink, ..*

---

### General Specs

| | Imperial | Metric |
|:---------------------------:|:--------:|:--------:|
| **🡘** | 0.6" | 15.24 mm |
| **🡙** | 0.8" | 20.32 mm |
|![Weight](./Files/Weight.png)| 20.06 gr | 1.3 g |

---

### Power Specs

**The PCB does not have Reverse Voltage Protection**

![](./Files/Power1.png)

**Maximum continues current per phase.**

![](./Files/Power2.png)

---

### Step Types

| Type | M3 | M2 | M1 | Dec |
|:------:|:--:|:--:|:--:|:---:|
| Full | | | | 0 |
| 1 / 2 | | | X | 1 |
| 1 / 4 | | X | | 2 |
| 1 / 8 | | X | X | 3 |
| 1 / 16 | X | X | X | 7 |

---

### Dimensions

| Imperial | Metric |
| :---------------------: | :-------------------: |
|![](./Files/Imperial.png)|![](./Files/Metric.png)|

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