Jdy40 Arduino Example Best ⭐ Legit
void loop() // ----- TRANSMIT BEST PRACTICE ----- static unsigned long lastSend = 0; if (millis() - lastSend > 2000) lastSend = millis();
The example above is production-ready. Just change pin definitions, power with clean 3.3V, and you will have a wireless link in under 60 seconds. Have you pushed the JDY-40 to 200 meters? Found a reliable antenna mod? Share your "best" experience in the comments below. jdy40 arduino example best
// Parse your data here if (receivedData.startsWith("TEMP:")) // Extract and act on data receivedData = ""; else receivedData += c; void loop() // ----- TRANSMIT BEST PRACTICE -----
// Optional: Set the module to transparent transmission (default mode) pinMode(4, OUTPUT); // SET pin digitalWrite(4, HIGH); // HIGH = Data mode, LOW = AT mode if (millis() - lastSend >