With this sketch you can control pins of a remote Arduino board through ESPHome. The Arduino acts as a port expander, allowing you to use more pins than a standard ESP8266/ESP32 has. The Arduino is ...
u8g_data_port[0] = portOutputRegister(digitalPinToPort(u8g->pin_list[U8G_PI_D0])); u8g_data_mask[0] = digitalPinToBitMask(u8g->pin_list[U8G_PI_D0]); u8g_data_port[1 ...
With the continuing manufacture of new computers, there is a clear and obvious trend of the parallel port becoming less and less common. For our younger readers; the parallel port is an interface ...
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