# BIG EASY DRIVER v2

## Description

The Big Easy Driver is a stepper motor driver board for bi\-polar stepper motors up to a max 2A/phase\. It is based on the Allegro A4988 stepper driver chip\. It's the next version of the popular Easy Driver board\. \#motorControllers

## Project Details

- **Owner:** adrian95
- **Created:** 7/12/2022
- **Last Updated:** 11/12/2024
- **Visibility:** Public
- **Copies:** 1

## Key Components

### 3/5V — [Solder Jumper 2 Open](https://flux.ai/adrian95/solder-jumper-2-open~zgc.md)

- Manufacturer Part Number: Jumper\_2\_Open

**Pins:**
- A
- B

### APWR — [Solder Jumper 2 Open](https://flux.ai/adrian95/solder-jumper-2-open~zgc.md)

- Manufacturer Part Number: Jumper\_2\_Open

**Pins:**
- A
- B

### D1 — [B340\-13\-F](https://flux.ai/jecstronic/b340-13-f~ndd.md)

- Manufacturer Name: Diodes Incorporated
- Manufacturer Part Number: B320Q\-13\-F
- Part Type: Diode
- Datasheet URL: https://www\.diodes\.com/assets/Datasheets/ds13005\.pdf

**Pins:**
- A
- K

### J1 — [Pin Header 01x02 2\.54mm Vertical](https://flux.ai/jharwinbarrozo/generic-pin-header-01x02-2p54mm-vertical~4uy.md)

- Part Type: Connector

**Pins:**
- P1
- P2

### J10 — [Pin Header 01x04 2\.54mm Vertical](https://flux.ai/adrian95/pin-header-01x04-254mm-vertical~l97.md)

- Part Type: Connector

**Pins:**
- Pin\_1
- Pin\_2
- Pin\_3
- Pin\_4

### J11 — [Pin Header 01x04 2\.54mm Vertical](https://flux.ai/adrian95/pin-header-01x04-254mm-vertical~l97.md)

- Part Type: Connector

**Pins:**
- Pin\_1
- Pin\_2
- Pin\_3
- Pin\_4

### J12 — [Pin Header 01x04 2\.54mm Vertical](https://flux.ai/adrian95/pin-header-01x04-254mm-vertical~l97.md)

- Part Type: Connector

**Pins:**
- Pin\_1
- Pin\_2
- Pin\_3
- Pin\_4

### J13 — [Pin Header 01x02 2\.54mm Vertical](https://flux.ai/jharwinbarrozo/generic-pin-header-01x02-2p54mm-vertical~4uy.md)

- Part Type: Connector

**Pins:**
- P1
- P2

### J14 — [Pin Header 01x04 2\.54mm Vertical](https://flux.ai/adrian95/pin-header-01x04-254mm-vertical~l97.md)

- Part Type: Connector

**Pins:**
- Pin\_1
- Pin\_2
- Pin\_3
- Pin\_4

### J3 — [Pin Header 01x04 2\.54mm Vertical](https://flux.ai/adrian95/pin-header-01x04-254mm-vertical~l97.md)

- Part Type: Connector

**Pins:**
- Pin\_1
- Pin\_2
- Pin\_3
- Pin\_4

### J5 — [Pin Header 01x04 2\.54mm Vertical](https://flux.ai/adrian95/pin-header-01x04-254mm-vertical~l97.md)

- Part Type: Connector

**Pins:**
- Pin\_1
- Pin\_2
- Pin\_3
- Pin\_4

### J6 — [Pin Header 01x02 2\.54mm Vertical](https://flux.ai/jharwinbarrozo/generic-pin-header-01x02-2p54mm-vertical~4uy.md)

- Part Type: Connector

**Pins:**
- P1
- P2

### J7 — [Pin Header 01x02 2\.54mm Vertical](https://flux.ai/jharwinbarrozo/generic-pin-header-01x02-2p54mm-vertical~4uy.md)

- Part Type: Connector

**Pins:**
- P1
- P2

### LED1 — [LED 0603 \(1608 Metric\)](https://flux.ai/jharwinbarrozo/generic-led-0603-1608-metric~yk.md)

- Part Type: LED

**Pins:**
- A
- K

### TP1 — [TestPoint\_Pad\_1\.0x1\.0mm](https://flux.ai/adrian95/testpointpad10x10mm~77t.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Part Type: Connector

**Pins:**
- 1 [pin 1]

### U1 — [A4988SETTR\-T](https://flux.ai/adrian95/a4988settr-t~0cn.md)

- Datasheet URL: https://www\.allegromicro\.com/\~/media/Files/Datasheets/A4988\-Datasheet\.ashx
- Part Type: Integrated Circuit
- Manufacturer Name: Allegro MicroSystems
- Manufacturer Part Number: A4988SETTR\-T

**Pins:**
- \~ENABLE
- \~RESET
- \~SLEEP
- CP1
- CP2
- DIR
- GND1
- GND2
- MS1
- MS2
- MS3
- OUT1A
- OUT1B
- OUT2A
- OUT2B
- PAD
- REF
- ROSC
- SENSE1
- SENSE2
- STEP
- VBB1
- VBB2
- VCP
- VDD
- VREG

### U2 — [LM317LCPK](https://flux.ai/adrian95/lm317lcpk~5o6.md)

- Manufacturer Name: Texas Instruments
- Manufacturer Part Number: LM317LCPK
- Datasheet URL: https://www\.ti\.com/general/docs/suppproductinfo\.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww\.ti\.com%2Flit%2Fgpn%2Flm317l
- Part Type: Integrated Circuit

**Pins:**
- ADJ
- VI
- VO

*The full schematic, PCB layout, bill of materials, and interactive design are available at [https://flux\.ai/adrian95/big\-easy\-driver\-v2\~98w](https://flux.ai/adrian95/big-easy-driver-v2~98w).*

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*Generated from [https://flux\.ai/adrian95/big\-easy\-driver\-v2\~98w](https://flux.ai/adrian95/big-easy-driver-v2~98w)*