# 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://www.flux.ai/adrian95/solder-jumper-2-open~zgc.md) - Manufacturer Part Number: Jumper_2_Open **Pins:** - A - B ### APWR — [Solder Jumper 2 Open](https://www.flux.ai/adrian95/solder-jumper-2-open~zgc.md) - Manufacturer Part Number: Jumper_2_Open **Pins:** - A - B ### D1 — [B340-13-F](https://www.flux.ai/jecstronic/b340-13-f~ndd.md) - Manufacturer Part Number: B320Q-13-F - Datasheet URL: https://www.diodes.com/assets/Datasheets/ds13005.pdf - Part Type: Diode - Manufacturer Name: Diodes Incorporated **Pins:** - A - K ### J1 — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/pin-header-01x02-254mm-vertical~4uy.md) - Part Type: Connector **Pins:** - P1 - P2 ### J10 — [Pin Header 01x04 2.54mm Vertical](https://www.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://www.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://www.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://www.flux.ai/jharwinbarrozo/pin-header-01x02-254mm-vertical~4uy.md) - Part Type: Connector **Pins:** - P1 - P2 ### J14 — [Pin Header 01x04 2.54mm Vertical](https://www.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://www.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://www.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://www.flux.ai/jharwinbarrozo/pin-header-01x02-254mm-vertical~4uy.md) - Part Type: Connector **Pins:** - P1 - P2 ### J7 — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/pin-header-01x02-254mm-vertical~4uy.md) - Part Type: Connector **Pins:** - P1 - P2 ### LED1 — [LED 0603 (1608 Metric)](https://www.flux.ai/jharwinbarrozo/led-0603-1608-metric~yk.md) - Part Type: LED **Pins:** - A - K ### TP1 — [TestPoint_Pad_1.0x1.0mm](https://www.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://www.flux.ai/adrian95/a4988settr-t~0cn.md) - Manufacturer Name: Allegro MicroSystems - Datasheet URL: https://www.allegromicro.com/~/media/Files/Datasheets/A4988-Datasheet.ashx - Part Type: Integrated Circuit - 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://www.flux.ai/adrian95/lm317lcpk~5o6.md) - 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 - Manufacturer Name: Texas Instruments **Pins:** - ADJ - VI - VO *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/adrian95/big-easy-driver-v2~98w](https://www.flux.ai/adrian95/big-easy-driver-v2~98w).* --- *Generated from [https://www.flux.ai/adrian95/big-easy-driver-v2~98w](https://www.flux.ai/adrian95/big-easy-driver-v2~98w)*