SP56
ericrlau
Bluetooth low engery keyboard. Layout based on Sofle keyboard with some modifications. NRF52840 powered. Designed around Kaihl Choc switches and spacing.
Components (30)
| Reference | Value | Description |
|---|---|---|
| Q1,Q102 | A03407 | |
| U1,U101 | LN2054Y42AMR | |
| U2,U102 | E73-2G4M08S1C | |
| U3,U103 | AP2112K-3.3 | |
| BATT1,BATT101 | SW_SPDT | |
| C1,C2,C103,C104 | 22pF | |
| C3,C4,C101,C102 | 4.7uF | |
| C5,C105 | 10uF | |
| C6,C7,C106,C107 | .1uF | |
| C8,C9 | 4.7nF | |
| D1-D28,D101-D128 | D | |
| D31,D32,D131,D132 | LED | |
| D33,D133 | 1N5819 | |
| H1-H16 | MountingHole_Pad | |
| J1,J101 | USB_C_Receptacle_USB2.0 | |
| J2,J3 | Conn_01x01_Male | |
| J9,J106 | SM02B-SRSS-TB(LF)(SN) | SH Series 2 Position 1 mm Pitch Surface Mount Side Entry Shrouded Header |
| J103,J104 | Conn_01x01_Female | |
| R1,R6,R101,R106 | 1k | |
| R2,R102 | 10k | |
| R3,R10 | 1M | |
| R4,R104 | 820k | |
| R5,R105 | 2M | |
| R7,R8,R107,R108 | 5.1k | |
| R9,R103 | 100k | |
| RESET1,RESET101 | SW_Push | |
| SW1-SW24,SW26-SW28,SW101-SW124,SW126-SW128 | SW_PUSH | |
| SW25,SW125 | Rotary_Encoder_Switch | |
| SWD/C1,SWD/C101 | Conn_01x04_Female | |
| Y1,Y101 | 32.768kHz |