You've probably seen other similar tools for other MCUs and SBCs, such as the ESP32 Marauder, ESP8266 Deauther, P4wnP1 A.L.O.A, PocketPhishr, Pwnagotchi, etc. Although these are all very good projects ...
Pin configuration by user is available. See Configuration section. Wire length between Pico and SD card is very sensitive. Short wiring as possible is desired ...
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 ...