상황
Designing a solar-powered ESP32 weather station PCB that runs from a rechargeable Li-ion battery and reports environmental data via I2C sensors.
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01
Solar input via Schottky diode into CN3065 charger for Li-ion battery
02
3.3V LDO regulator powers ESP32 and BME280 sensor
03
I2C pull-up resistors on SDA/SCL for reliable sensor communication
Use this diagram as a reference netlist when laying out a compact solar IoT weather station or similar battery-backed sensor node.