OpenHand
AleksaHeler
Our attempt at a prosthetic hand using STM32 microcontroller with custom PCB and mechanics
Components (88)
| Reference | Value | Description |
|---|---|---|
| Q1 | AO3401A | -4.0A Id, -30V Vds, P-Channel MOSFET, SOT-23 |
| U1 | STM32F103RETx | |
| U2 | TPS565201DDCR | |
| U3 | AMS1117-3.3 | |
| U4 | ICL7660 | Switched-Capacitor Voltage Converter, 1.5V to 10.0V operating supply voltage, 10mA with a 0.5V output drop, SO-8/DIP-8/µMAX-8/TO-99 |
| U5,U6 | TL084 | |
| U7-U10 | DRV8833PWP | Dual H-Bridge Motor Driver, HTSSOP-16 |
| C1-C6,C13,C21,C22 | 100n | |
| C7,C12,C16 | 1u | |
| C8,C9 | 10p | |
| C10,C11,C17-C20,C35,C36,C41,C42 | 10u | Ceramic,Polarized capacitor |
| C14 | 47u | Polarized capacitor |
| C15 | 22u | Ceramic |
| C23-C26 | 470n | |
| C27-C30 | 330n | |
| C31,C32,C37,C38 | 2u2 | |
| C33,C34,C39,C40 | 10n | |
| D1,D4 | RED | |
| D2 | GREEN | |
| D3 | 5V Zener | |
| D5,D6 | SS14 | |
| H1-H4 | M3_Hole | |
| J1 | CONN_MOTOR_1 | |
| J2 | CONN_MOTOR_2 | |
| J3 | CONN_BATT | |
| J4 | CONN_POS_1 | |
| J5 | CONN_USB_C | USB 2.0-only 16P Type-C Receptacle connector |
| J6 | CONN_MOTOR_3 | |
| J7 | CONN_FDBK_1 | |
| J8 | CONN_EMG_1 | |
| J9 | CONN_POS_2 | |
| J10 | CONN_FDBK_2 | |
| J11 | CONN_EMG_2 | |
| J12 | CONN_SWD | Generic connector, single row, 01x04, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J13 | CONN_POS_3 | |
| L1 | 3.3uH | |
| R1,R2 | 5k1 | |
| R3 | 1.5k | |
| R4,R5,R7,R15 | 4k7 | |
| R6,R8,R9,R11,R12,R16,R29,R32,R41,R42,R45,R46,R49,R50 | 10k | |
| R10,R14,R17,R19,R27,R30,R37,R38 | 47k | |
| R13 | 54.9k | |
| R18,R20,R28,R31 | 15k | |
| R21-R26,R35,R36,R39,R40 | 1k | |
| R33,R34,R43,R44 | 18k | |
| R47,R48,R52 | 0R2 | |
| R51,R53 | 4R7 | |
| RV1 | TRIM_POT_1 | |
| RV2 | TRIM_POT_2 | |
| RV3,RV4 | 100k | |
| SW1 | BTN_RST | |
| SW2 | SW_Push | |
| TP1 | TP_UC_PA6 | |
| TP2 | TP_UC_TX | |
| TP3 | TP_UC_RX | |
| TP4 | TP_UC_PC13 | |
| TP5 | TP_UC_PC15 | |
| TP6 | TP_GND_1 | |
| TP7 | TP_GND_2 | |
| TP8 | TP_GND_3 | |
| TP9 | TP_GND_4 | |
| TP10 | TP_GND_5 | |
| TP11 | TP_GND_6 | |
| TP12 | TP_UC_SCL | |
| TP13 | TP_UC_SDA | |
| TP14 | TP_UC_PB12 | |
| TP15 | TP_BATT_P | |
| TP16 | TP_V_BATT | |
| TP17 | TP_V_5V | |
| TP18 | TP_V_N5V | |
| TP19 | TP_V_3V3 | |
| TP20 | TP_EMG_1_AMP | |
| TP21 | TP_EMG_2_AMP | |
| TP22 | TP_EMG_1_HP | |
| TP23 | TP_EMG_2_HP | |
| TP24 | TP_EMG_1_LP | |
| TP25 | TP_EMG_2_LP | |
| TP26 | TP_MOT_1_EN | |
| TP27 | TP_MOT_2_EN | |
| TP28 | TP_MOT_1_UC1 | |
| TP29 | TP_MOT_2_UC1 | |
| TP30 | TP_MOT_1_UC2 | |
| TP31 | TP_MOT_2_UC2 | |
| TP32 | TP_MOT_3_EN | |
| TP33 | TP_FDBK_MOT_EN | |
| TP34 | TP_MOT_3_UC1 | |
| TP35 | TP_MOT_3_UC2 | |
| Y1 | 16MHz | Four pin crystal, GND on pins 2 and 4 |