@iamshubham3
2 boards publicly available on BoardRepo.
Public boards
mcu-datalogger-kicad
4-layer PCB datalogger designed in KiCad — ATmega328P with DS1337 RTC, I2C EEPROM, and UART/SPI/I2C breakouts
schematicpcbbomAVRbatterycrystalresistor
stm32-datalogger-kicad
STM32 datalogger PCB in KiCad — battery-backed RTC (LSE crystal), I2C EEPROM, VBAT domain, ERC/DRC verified
schematicpcbbomSTM32USBswitchregulator