tmr-keyboard
girishji
Custom keyboard based on TMR sensor
Components (23)
| Reference | Value | Description |
|---|---|---|
| C1,C2 | 12pF | Capacitor, X5R, 25 V, ±20% |
| C3-C7,C12-C15,C18-C22,C26-C29 | .1uF | Capacitor, X5R, ±10%, at least 2xVdd (>=5V) |
| C8-C10,C23,C24 | 10uF | Capacitor, X5R, 25 V, ±20% |
| C11 | 0.1uF | Capacitor, X5R, ±10% |
| C16,C17,C32-C34 | 1uF | Capacitor, X5R, 10 V, ±10% |
| C25,C30 | 2.2uF | Capacitor, X7R, 16 V, ±10% |
| C31 | 1nF | Capacitor, X5R, ±10% |
| D1-D72 | Green LED | Light emitting diode, small symbol, filled shape |
| JLC1 | JLC_Order_Num | |
| JTAG1 | Conn_ARM_JTAG_SWD_10 | Cortex Debug Connector, standard ARM Cortex-M SWD and JTAG interface |
| Jusb1 | USB_C_Receptacle_PowerOnly_6P | USB Power-Only 6P Type-C Receptacle connector |
| L1,L2 | 2.2uH | Inductor, DCR < 400 mΩ, ±20% |
| LEDDR1 | LP5864 | 72-Channel 12-Bit PWM Ultra-low Quiescent Current I2C RGB LED Driver |
| M1 | Ezurio BL54L15 (nrf54L15) module | nRF54L15 module |
| MUXA1,MUXA2 | TMUX1574DYY | Low Capacitance, 4-Channel, 2 to 1 Switch, Powered-off Protection with 1.8V logic, TSOT-23-16 |
| MUXB1-MUXB8 | TMUX1108PW | 5V / ±2.5V, Low-Leakage-Current, 8:1 Precision Multiplexer, 2.5 Ohm Ron, 90Mhz, TSSOP-16 |
| PMIC1 | nPM1300-QEXX | PMIC, LED Driver, Battery Charger, QFN-32 |
| R1,R2 | 10k | Resistor, small symbol |
| Rvset1 | 47k | Resistor, 0.05 W, ±1%, to select 1.8v at buck converter #1 on reset |
| Rvset2 | 4.7k | Resistor, 0.05 W, ±1%, to select 1.8v at buck converter #1 on reset |
| Stb1,Stb2 | TMR_switch_stab_2.0u | |
| SW1,SW2 | SW_DIP_x01 | 1x DIP Switch, Single Pole Single Throw (SPST) switch, small symbol |
| Y1 | 32.768 kHz | Two pin crystal, small symbol |