Punit's Smartwatch

Developed a custom multi-layer PCB smartwatch using the RP2040 microcontroller, integrating health tracking, multimedia, and communication features. Designed power management with rechargeable LiPo batteries, LDOs, and boost converters. Included peripherals such as a MAX30102 pulse sensor for heart rate monitoring, MPU-6050 IMU for step tracking, an I2C OLED display, and an SD card for multimedia storage. Integrated a SIM7600E LTE module with an external audio codec for calling and texting. Programmed in MicroPython, with all schematics and PCB layouts created in EasyEDA