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msharp74
| Reference | Value | Description |
|---|---|---|
| Q1 | BSS123 | 0.17A Id, 100V Vds, N-Channel MOSFET, SOT-23 |
| U1 | STM32F103C8Tx | STMicroelectronics Arm Cortex-M3 MCU, 64KB flash, 20KB RAM, 72 MHz, 2.0-3.6V, 37 GPIO, LQFP48 |
| U2 | AP63203WU | 2A, 1.1MHz Buck DC/DC Converter, fixed 3.3V output voltage, TSOT-23-6 |
| U3 | MCP23S17 | 16-Bit I/O Expander with Serial Interface |
| U4,U5 | DRV8825 | DRV8825 Stepper Motor Controller IC |
| U6-U21 | MLX90393 | Wide dynamic range magnetometer |
| C1,C20,C23 | 100u | Polarized capacitor, US symbol |
| C2-C5,C9,C12,C13,C15,C18,C19,C21,C22,C24,C25,C30-C61 | 100n | Unpolarized capacitor |
| C6,C28,C29 | 10n | Unpolarized capacitor |
| C7,C8 | 1u | Unpolarized capacitor |
| C10,C11 | 10p | Unpolarized capacitor |
| C14,C16,C17 | 22u | Unpolarized capacitor |
| C26,C27 | 470n | Unpolarized capacitor |
| D1 | STATUS_LED | Light emitting diode |
| D2 | PWR_LED | Light emitting diode |
| FB1 | 120R | Ferrite bead |
| H1-H4 | MountingHole | Mounting Hole without connection |
| J1 | USB_B_Micro | USB Micro Type B connector |
| J2 | Screw_Terminal_01x02 | Generic screw terminal, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J3,J4 | Conn_01x04_Socket | Generic connector, single row, 01x04, script generated |
| J5 | Barrel_Jack | DC Barrel Jack |
| L1 | 3u9 | Inductor |
| R1,R4,R8-R13 | 10k | Resistor |
| R2 | 1k5 | Resistor |
| R3,R5 | 1k | Resistor |
| R6,R7 | 1M | Resistor |
| R14,R15 | 50k | Resistor |
| R16,R17 | 30k | Resistor |
| R18-R21 | 200m | Resistor |
| SW1 | SW_SPDT | Switch, single pole double throw |
| Y1 | 16MHz | Four pin crystal, GND on pins 2 and 4 |