# 619 J Stepper ## Description This project is an open source micro-controller board used to drive a stepper motor in closed loop mode. The board is generally used on 3D printer steppers or CNC steppers to prevent losing steps. The project is inspired by Tropical labs: Mechaduino board #motorControllers ## Project Details - **Owner:** jharwinbarrozo - **Created:** 11/11/2024 - **Last Updated:** 11/11/2024 - **Visibility:** Public - **Forks:** 1 ## Key Components ### D1 — [LED 0603 (1608 Metric)](https://www.flux.ai/jharwinbarrozo/led-0603-1608-metric.md) - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### D2 — [LED 0603 (1608 Metric)](https://www.flux.ai/jharwinbarrozo/led-0603-1608-metric.md) - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### D3 — [BAT 64-05 E6327](https://www.flux.ai/adrian95/bat-64-05-e6327.md) - Datasheet URL: https://www.mouser.com/datasheet/2/196/Infineon_BAT64SERIES_DataSheet_v01_00_EN-2309110.pdf - Part Type: Diode - Manufacturer Part Number: BAT 64-05 E6327 - Manufacturer Name: Infineon Technologies AG **Pins:** - A1 - A2 - K ### IC1 — [A1333LLETR-5-T](https://www.flux.ai/adrian95/a1333lletr-5-t.md) - Manufacturer Name: Allegro MicroSystems - Manufacturer Part Number: A1333LLETR-5-T - Part Type: Integrated Circuit - Datasheet URL: https://www.mouser.com/ProductDetail/Allegro-MicroSystems/A1333LLETR-5-T?qs=pUKx8fyJudBW%2F6RaspVZsQ%3D%3D **Pins:** - ~CS~/SA0 - A/U - B/V - BYP - GND_1 - GND_2 - GND_3 - I/W - MISO - MOSI/SA1 - PWM - SCLK - TEST - VCC ### J1 — [USB_B_Micro](https://www.flux.ai/adrian95/usbbmicro.md) - Manufacturer Part Number: USB_B_Micro **Pins:** - D- - D+ - GND - ID - Shield - VBUS ### J2 — [Pin Header 02x03 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-02x03-254mm-vertical.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] - Pin_5 [pin 5] - Pin_6 [pin 6] ### J3 — [TerminalBlock_Phoenix_PT-1,5-4-3.5-H_1x04_P3.50mm_Horizontal](https://www.flux.ai/adrian95/terminalblockphoenixpt-15-4-35-h1x04p350mmhorizontal.md) - Part Type: Connector **Pins:** - Pin_1 - Pin_2 - Pin_3 - Pin_4 ### J4 — [Pin Header 01x07 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x07-254mm-vertical.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] - Pin_5 [pin 5] - Pin_6 [pin 6] - Pin_7 [pin 7] ### J5 — [JST_EH_B6B-EH-A_1x06_P2.50mm_Vertical](https://www.flux.ai/adrian95/jstehb6b-eh-a1x06p250mmvertical.md) - Part Type: Connector **Pins:** - Pin_1 - Pin_2 - Pin_3 - Pin_4 - Pin_5 - Pin_6 ### Q1 — [FDN337N](https://www.flux.ai/adrian95/fdn337n.md) - Part Type: Transistor - Manufacturer Part Number: FDN337N - Datasheet URL: https://www.onsemi.com/pdf/datasheet/fdn337n-d.pdf - Manufacturer Name: onsemi **Pins:** - D [pin 2] - G [pin 1] - S [pin 3] ### Q2 — [FDN337N](https://www.flux.ai/adrian95/fdn337n.md) - Manufacturer Part Number: FDN337N - Part Type: Transistor - Manufacturer Name: onsemi - Datasheet URL: https://www.onsemi.com/pdf/datasheet/fdn337n-d.pdf **Pins:** - D [pin 2] - G [pin 1] - S [pin 3] ### Q3 — [FDN337N](https://www.flux.ai/adrian95/fdn337n.md) - Part Type: Transistor - Manufacturer Part Number: FDN337N - Datasheet URL: https://www.onsemi.com/pdf/datasheet/fdn337n-d.pdf - Manufacturer Name: onsemi **Pins:** - D [pin 2] - G [pin 1] - S [pin 3] ### RN1 — [resistor_array_0402](https://www.flux.ai/adrian95/resistorarray0402.md) - Resistance: 10Ω - Part Type: Resistor **Pins:** - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 ### RN2 — [resistor_array_0402](https://www.flux.ai/adrian95/resistorarray0402.md) - Part Type: Resistor - Resistance: 100Ω **Pins:** - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 ### SW1 — [SW Push SPST NO Alps](https://www.flux.ai/adrian95/sw-push-spst-no-alps.md) - Part Type: Switch **Pins:** - P1 [pin 3] - P2 [pin 1] ### SW2 — [SW Push SPST NO Alps](https://www.flux.ai/adrian95/sw-push-spst-no-alps.md) - Part Type: Switch **Pins:** - P1 [pin 3] - P2 [pin 1] ### SW3 — [SW Push SPST NO Alps](https://www.flux.ai/adrian95/sw-push-spst-no-alps.md) - Part Type: Switch **Pins:** - P1 [pin 3] - P2 [pin 1] ### U1 — [A4950E](https://www.flux.ai/adrian95/a4950e.md) - Datasheet URL: https://www.snapeda.com/parts/A4950ELJTR-T/Allegro/datasheet/ - Manufacturer Name: Allegro MicroSystems - Part Type: Integrated Circuit - Manufacturer Part Number: A4950E **Pins:** - GND [pin 1] - IN1 [pin 3] - IN2 [pin 2] - LSS [pin 7] - OUT1 [pin 6] - OUT2 [pin 8] - PAD [pin 9] - VBB [pin 5] - VREF [pin 4] ### U2 — [STM32F103C8T6](https://www.flux.ai/jharwinbarrozo/stm32f103c8t6.md) - Manufacturer Part Number: STM32F103C8T6 - Manufacturer Name: STMicroelectronics - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811151642_STMicroelectronics-STM32F103C8T6_C8734.pdf - Part Type: Microcontroller **Pins:** - BOOT0 [pin 44] - NRST [pin 7] - PA0_WKUP [pin 10] - PA1 [pin 11] - PA10 [pin 31] - PA11 [pin 32] - PA12 [pin 33] - PA13 [pin 34] - PA14 [pin 37] - PA15 [pin 38] - PA2 [pin 12] - PA3 [pin 13] - PA4 [pin 14] - PA5 [pin 15] - PA6 [pin 16] - PA7 [pin 17] - PA8 [pin 29] - PA9 [pin 30] - PB0 [pin 18] - PB1 [pin 19] - PB10 [pin 21] - PB11 [pin 22] - PB12 [pin 25] - PB13 [pin 26] - PB14 [pin 27] - PB15 [pin 28] - PB2 [pin 20] - PB3 [pin 39] - PB4 [pin 40] - PB5 [pin 41] - PB6 [pin 42] - PB7 [pin 43] - PB8 [pin 45] - PB9 [pin 46] - PC13_TAMPER_RTC [pin 2] - PC14_OSC32_IN [pin 3] - PC15_OSC32_OUT [pin 4] - PD0_OSC_IN [pin 5] - PD1_OSC_OUT [pin 6] - VBAT [pin 1] - VDD [pin 48] - VDD [pin 24] - VDD [pin 36] - VDDA [pin 9] - VSS [pin 47] - VSS [pin 23] - VSS [pin 35] - VSSA [pin 8] ### U3 — [A4950E](https://www.flux.ai/adrian95/a4950e.md) - Part Type: Integrated Circuit - Manufacturer Part Number: A4950E - Manufacturer Name: Allegro MicroSystems - Datasheet URL: https://www.snapeda.com/parts/A4950ELJTR-T/Allegro/datasheet/ **Pins:** - GND [pin 1] - IN1 [pin 3] - IN2 [pin 2] - LSS [pin 7] - OUT1 [pin 6] - OUT2 [pin 8] - PAD [pin 9] - VBB [pin 5] - VREF [pin 4] ### U4 — [AMS1117-3.3](https://www.flux.ai/vasy_skral/ams1117-33.md) - Part Type: Integrated Circuit - Manufacturer Part Number: AMS1117-3.3 - Manufacturer Name: AMS - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811021917_Advanced-Monolithic-Systems-AMS1117_C6188.pdf **Pins:** - GND [pin 1] - TAB(VOUT) [pin 4] - VIN [pin 3] - VOUT [pin 2] ### Y1 — [TC25L5I32K7680](https://www.flux.ai/adrian95/tc25l5i32k7680.md) - Part Type: Oscillator - Frequency: 32.7680KHz - Manufacturer Part Number: TC25L5I32K7680 - Datasheet URL: https://www.ctscorp.com/wp-content/uploads/TC25.pdf - Manufacturer Name: CTS-Frequency Controls **Pins:** - P1 [pin 1] - P2 [pin 2] - P3 [pin 3] - P4 [pin 4] ### Y2 — [Crystal SMD 5032 2PIN](https://www.flux.ai/adrian95/crystal-smd-5032-2pin.md) - Part Type: Oscillator - Frequency: 8MHz **Pins:** - P1 [pin 1] - P2 [pin 2] - P3 [pin 3] - P4 [pin 4] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/jharwinbarrozo/619-j-stepper](https://www.flux.ai/jharwinbarrozo/619-j-stepper).* --- *Generated from [https://www.flux.ai/jharwinbarrozo/619-j-stepper](https://www.flux.ai/jharwinbarrozo/619-j-stepper)*