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 manual provides instructions for using the Arduino Data Logger, which records four voltage channels and two current channels. Data is saved to an SD card every second. The logger can also ...