* Inform slave of a master button press. * SPI pin numbers: * SCK 13 // Serial Clock. * MISO 12 // Master In Slave Out. * MOSI 11 // Master Out Slave In. * SS 10 // Slave Select * If you found this ...
* - Sends a STATUS request, and expects 0x5A back. * - Tests writing read/write register on FPGA * - Sends a WRREG request to write 0x76543210 to register[0]. * - Sends a RDREG request for register[0] ...
So here’s the thing: Arduino’s built-in memory is tiny. If you’re just blinking LEDs, no problem. But the moment you try to log data, say battery usage, temperature over time, or GPS coordinates, ...
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