NodeMcu ESP32 WROOM-32U Entwicklungsboard Dual Core WLAN WiFi Bluetooth CH9102

= nullptr) { display.clearDisplay(); display.setTextSize(1); display.setCursor(0,0); display.println("4-Zone Irrigation"); for (int z=0; z<4; z++) { int raw = readSoilRaw(z); display.printf("Z%d: %4d %s\n", z+1, raw, zoneActive[z]?.

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