- BOM
| Reference | Value | Datasheet | Footprint | Qty | DNP |
|---|---|---|---|---|---|
| A1,A2,A3,A4,A5,A6 | Pololu_Breakout_A4988 | https://www.pololu.com/product/2980/pictures | Module:Pololu_Breakout-16_15.2x20.3mm | 6 | |
| C1,C2,C3,C5,C7,C9,C11,C13 | 100n | ~ | Capacitor_THT:C_Disc_D7.0mm_W2.5mm_P5.00mm | 8 | |
| C4,C6,C8,C10,C12,C14 | 100u | ~ | Capacitor_THT:CP_Radial_D8.0mm_P3.50mm | 6 | |
| D1,D2 | 1N4007 | http://www.vishay.com/docs/88503/1n4001.pdf | Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal | 2 | |
| D3,D4 | LED | ~ | LED_THT:LED_D5.0mm | 2 | |
| F1 | Fuse | ~ | Fuse:Fuseholder_Clip-5x20mm_Bel_FC-203-22_Lateral_P17.80x5.00mm_D1.17mm_Horizontal | 1 | |
| J1,J4,J6,J12,J14,J16 | Conn_01x04_Pin | ~ | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Horizontal | 6 | |
| J2,J3,J5,J8,J13,J15 | Conn_01x02_Pin | ~ | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | 6 | |
| J7,J17,J18,J19,J20,J28,J30 | Conn_01x02_Male | ~ | -- mixed values -- | 7 | |
| J9,J10,J11 | Motors | ~ | Connector_PinHeader_2.54mm:PinHeader_1x13_P2.54mm_Vertical | 3 | |
| J21,J22 | Conn_01x19_Pin | ~ | Connector_PinSocket_2.54mm:PinSocket_1x19_P2.54mm_Vertical | 2 | |
| J23,J31 | Conn_02x05_Odd_Even | ~ | Connector_IDC:IDC-Header_2x05_P2.54mm_Horizontal | 2 | |
| J24 | USB_A | ~ | Connector_USB:USB_A_Molex_67643_Horizontal | 1 | |
| J25 | USB_B | ~ | Connector_USB:USB_B_Lumberg_2411_02_Horizontal | 1 | |
| J29 | Conn_01x07_Pin | ~ | Connector_PinHeader_2.54mm:PinHeader_1x07_P2.54mm_Horizontal | 1 | |
| K2 | G5V-2 | http://omronfs.omron.com/en_US/ecb/products/pdf/en-g5v_2.pdf | Relay_THT:Relay_DPDT_Omron_G5V-2 | 1 | |
| R1,R2 | 2k | ~ | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | 2 | |
| RN1 | R_Network04 | http://www.vishay.com/docs/31509/csc.pdf | Resistor_THT:R_Array_SIP5 | 1 | |
| SW1,SW2,SW3,SW4,SW5,SW7 | SW_DIP_x04 | ~ | Package_DIP:DIP-8_W7.62mm | 6 | |
| U1 | LM7805_TO220 | https://www.onsemi.cn/PowerSolutions/document/MC7800-D.PDF | Package_TO_SOT_THT:TO-220F-3_Horizontal_TabDown | 1 | |
| U2 | PC817 | http://www.soselectronic.cz/a_info/resource/d/pc817.pdf | Package_DIP:DIP-4_W7.62mm | 1 |
- Pinmap
| Function | ESP32 | Direction | C Code |
|---|---|---|---|
| Enable Motors | GPIO2 | OUTPUT | #define MX_ENB 2 |
| Motor 1 Direction | GPIO4 | OUTPUT | #define M1_DIR 4 |
| Motor 1 Step | GPIO0 | OUTPUT | #define M1_STP 0 |
| Motor 2 Direction | GPIO17 | OUTPUT | #define M2_DIR 17 |
| Motor 2 Step | GPIO16 | OUTPUT | #define M2_STP 16 |
| Motor 3 Direction | GPIO25 | OUTPUT | #define M3_DIR 12 |
| Motor 3 Step | GPIO26 | OUTPUT | #define M3_STP 13 |
| Motor 4 Direction | GPIO12 | OUTPUT | #define M4_DIR 27 |
| Motor 4 Step | GPIO13 | OUTPUT | #define M4_STP 14 |
| Motor 5 Direction | GPIO27 | OUTPUT | #define M5_DIR 25 |
| Motor 5 Step | GPIO14 | OUTPUT | #define M5_STP 26 |
| Motor 6 Direction | GPIO32 | OUTPUT | #define M6_DIR 32 |
| Motor 6 Step | GPIO33 | OUTPUT | #define M6_STP 33 |
| Motor 1 Limit | GPIO36 | INPUT | #define M1_LIMIT 36 |
| Motor 2 Limit | GPIO39 | INPUT | #define M2_LIMIT 39 |
| Motor 3 Limit | GPIO34 | INPUT | #define M3_LIMIT 34 |
| Motor 6 Limit | GPIO35 | INPUT | #define M6_LIMIT 35 |
| E-Stop | GPIO15 | INPUT_PULLUP | #define E_STOP 35 |