hector
RickKross
Hector is a 38-key column staggered keyboard with HE magnetic sensors
Components (16)
| Reference | Value | Description |
|---|---|---|
| U1,U4 | STM32F303RETx | STMicroelectronics Arm Cortex-M4 MCU, 512KB flash, 80KB RAM, 72 MHz, 2.0-3.6V, 51 GPIO, LQFP64 |
| U2,U5 | USBLC6-2SC6 | Very low capacitance ESD protection diode, 2 data-line, SOT-23-6 |
| U3,U6 | RT9013-33GB | 500mA, Low Dropout, Low Noise Ultra-Fast Without Bypass Capacitor CMOS LDO Regulator |
| C1,C13,C33,C45 | 10uF | Unpolarized capacitor |
| C2-C7,C12,C14-C32,C34-C39,C44,C46-C64 | 100nF | Unpolarized capacitor |
| C8-C11,C40-C43,C65,C66 | 1uF | Unpolarized capacitor |
| D1,D2 | RED | Light emitting diode |
| F1,F2 | 350mA | Fuse, small symbol |
| FB1-FB4 | BLM18KG121TN1D | Ferrite bead |
| HS1-HS38 | SS49E | Linear hall effect sensor, 49E or GH39FKSW |
| J1,J2,J8,J9 | USB_C | USB 2.0-only 16P Type-C Receptacle connector |
| OSC1,OSC2 | 8MHz | 1.62V~3.63V ±20ppm 10mA ±30ppm CMOS 8MHz SMD5032-4P Crystal Oscillators ROHS |
| R1-R3,R7-R9 | 5.1k | Resistor, small symbol |
| R4,R10 | 1.5k | Resistor, small symbol |
| R5,R6,R11,R12 | 40k | Resistor, small symbol |
| SW1,SW2,SW4,SW5 | SW_Push | Push button switch, generic, two pins |