katia
ikajdan
A split keyboard with 6 by 3 column staggered keys and 3 thumb keys, based on the Crkbrd design
Components (26)
| Reference | Value | Description |
|---|---|---|
| U1,U2 | RP2040 | https://datasheets.raspberrypi.com/rp2040/hardware-design-with-rp2040.pdf |
| U3,U7 | W25Q128JVSIQ | |
| U4,U8 | SN74LV1T34DBV | Single Power Supply, Single Buffer GATE, CMOS Logic, Level Shifter, SOT-23-5 |
| U5,U9 | USBLC6-2SC6 | |
| U6,U10 | NCP1117LPST33T3G | |
| C1,C7,C14,C20,C27,C29,C35,C37 | 1u | |
| C2,C3,C15,C16 | 15p | |
| C4-C6,C8-C13,C17-C19,C21-C26,C28,C30,C31,C33,C36,C38,C39,C41 | 100n | |
| C32,C34,C40,C42 | 10u | |
| D1,D2 | LKE05D5-B | Bidirectional transient-voltage-suppression diode, small symbol |
| D3,D4 | CDBM240L-HF | Schottky diode, small symbol |
| F1,F2 | SMD0603P050TF | Resettable fuse, polymeric positive temperature coefficient, small symbol |
| FB1,FB2 | BLM18EG471SZ1D | |
| J1,J4 | PJ-398A-5A | PJ-398A-5A |
| J7,J8 | TYPE-C-31-M-13C | USB 2.0-only 16P Type-C Receptacle connector |
| LED1-LED46 | YS-SK6812MINI-E | RGB LED with integrated controller |
| R1,R5,R7-R9,R13,R15-R17,R23,R24,R30 | 10k | Resistor, small symbol |
| R2,R10,R18,R25 | 1k | Resistor, small symbol |
| R3,R4,R11,R12 | 27R | |
| R6,R14 | 0R | |
| R19,R26 | 470R | Resistor, small symbol |
| R20,R21,R27,R28 | 5k1 | |
| R22,R29 | 5k6 | |
| SW1-SW46 | SW_Push | |
| TACTSW1-TACTSW4 | TS-1088R-02026 | Boot,Reset |
| Y1,Y2 | ABM8-272-T3 | 12MHz 18pF ±20ppm SMD3225-4P Crystals ROHS |