sand-sim-keychain
Person20020
Components (17)
| Reference | Value | Description |
|---|---|---|
| U1 | STM32U031K8Ux | STMicroelectronics Arm Cortex-M0+ MCU, 64KB flash, 12KB RAM, 27 GPIO, UFQFPN32 |
| U2 | TP4057 | Constant-current/constant-voltage linear charger for single cell lithium-ion batteries with 2.9V Trickle Charge, 4.5V to 6.5V VDD, -40 to +85 degree Celsius, TSOT-23-6 |
| U3 | LSM6DSL | I2C/SPI, iNEMO inertial module: always-on 3D accelerometer and 3D gyroscope, 1.71V to 3.6V VCC |
| BT1 | LIR2450 | Single-cell battery |
| C1-C4 | 100nF | Unpolarized capacitor, small symbol |
| D1 | D_Schottky | Schottky diode, small symbol |
| D2 | D_TVS | Bidirectional transient-voltage-suppression diode, small symbol |
| D3-D26 | LED_KRGB | RGB LED, cathode/red/green/blue |
| J1 | Conn_01x03 | Generic connector, single row, 01x05, script generated (kicad-library-utils/schlib/autogen/connector/) |
| R1,R3,R4 | 10k | Resistor, small symbol |
| R2 | 15k | Resistor, small symbol |
| SW1 | BOOT | Push button switch, generic, two pins |
| TP1 | RST | test point |
| TP2 | GND_RING | test point |
| TP3 | 5V_RING | test point |
| TP4 | VCC | test point |
| TP5 | GND | test point |