To use the node in your project you should have the greenberg-nicholas/esp32-relay library installed. Use the “File → Add Library” menu item in XOD IDE if you don’t have it yet. See Using libraries for more info.
C++ implementation
struct State {
CStringView view;
};
{{ GENERATED_CODE }}
void evaluate(Context ctx) {
auto state = getState(ctx);
auto _blynk = getValue<input_BLNK>(ctx);
uint8_t vpin = getValue<input_VPIN>(ctx);
if (isInputDirty<input_READ>(ctx)){
if (vpin == _blynk.vpin){
state->view = CStringView(_blynk.vpinData);
emitValue<output_DATA>(ctx, XString(&state->view));
}
}
}