prometheus-65
anshulnoori
Custom hybrid magnetic + mechanical keyboard (now 75%) — KiCad PCB, STM32F405, TMR sensors, designed from scratch.
Components (23)
| Reference | Value | Description |
|---|---|---|
| U1 | STM32F405RGTx | STMicroelectronics Arm Cortex-M4 MCU, 1024KB flash, 192KB RAM, 168 MHz, 1.8-3.6V, 51 GPIO, LQFP64 |
| U2,U3 | TPS7A4700 | |
| U4,U6-U20,U22-U29,U31-U38,U40-U71 | TMR2652D | |
| U5,U21,U30,U39,U72-U75 | TMUX1308 | |
| U76 | 74AHCT125 | Quadruple Bus Buffer Gates With 3-State Outputs |
| C1-C6,C8 | 100nF | Unpolarized capacitor |
| C7 | 4.7uF | Unpolarized capacitor |
| C9,C10 | 22pF | Unpolarized capacitor |
| C11,C12 | 2.2uF | Unpolarized capacitor |
| C13,C16,C19 | 1uF | Unpolarized capacitor |
| C14,C17 | 47uF | Unpolarized capacitor |
| C15,C18 | 10uF | Unpolarized capacitor |
| C20,C22,C24,C26,C28,C30,C32,C34,C36,C38,C40,C42,C44,C46,C48,C50,C52,C54,C56,C58,C60,C62,C64,C66,C68,C70,C72,C74,C76,C78,C80,C82,C84,C86,C88,C90,C92,C94,C96,C98,C100,C102,C104,C106,C108,C110,C112,C114,C116,C118,C120,C122,C124,C126,C128,C130,C132,C134,C136,C138,C140,C142,C144,C146 |