Client Mode: Scans for the sensor via BLE, reads its data (temperature, moisture, light, conductivity, and battery), and logs it to a text file on an SD card with a timestamp . Server Mode: On boot ...
VCC Power Connects to 3.3V on the Pico. GND Ground Common reference ground. MISO/DO Master In Slave Out SD → Pico data line. MOSI/DI Master Out Slave In Pico → SD data line. SCK SPI Clock Clock signal ...
This project is an interactive Arduino-based piano that plays musical notes and a song stored on an SD card. It also includes a sound spectrum visualizer using an LED matrix, which reacts to the audio ...
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