Quantity   Component name
1 × ESP32-DevKitC-V4 Main ESP32 Board
1 × MCP73831T-2 Power Management ICs / Power Supply Support
4 × AP2114HA-3.3 Power Management ICs / Linear Voltage Regulators and LDOs
1 × TPS613222ADBV Boost IC (If you plan to use 5V sensors)
1 × LMS33460 Power Management ICs / Power Supply Support
3 × Z7AL2B1692082 3.3V Vibration Motor with enclosure
3 × IRLML6246 NMOS - Discrete Semiconductors / Power Transistors and MOSFETs
1 × DMP1045U PMOS - Discrete Semiconductors / Diode-Transistor Modules
4 × PMEG4030 Schottky - Discrete Semiconductors / Diodes and Rectifiers
1 × 10118194-0001LF MicroUSB Connectors and Accessories / Telecom and Datacom (Modular) Connectors
1 × 3.7V Nominal Voltage Li-Po or Li-Ion battery with holder 18650 Battery recommended, since Main Board is the same size of a 18650 with holder
1 × Various 0805 Capacitors and Resistors Check Schematic for numbers
1 × Various JST-XH connectors Not all required, check Schematic