ESP32 Serial Monitor & BLE Telemetry Plotter Online

The built-in auto-parser in SerialPulse Studio automatically detects Key:Value pairs and names each variable in the plotter legend. Use 115200 baud (or higher) to minimize UART transmission latency:

// C++ Example for Arduino / ESP32 (50Hz Real-Time Telemetry)
#include <Arduino.h>

unsigned long lastSampleMs = 0;
const unsigned long SAMPLE_INTERVAL_MS = 20; // 50 Hz

void setup() {
  Serial.begin(115200);
  while (!Serial) { delay(10); }
  Serial.println("[SYS] Sensor Node Initialized @ 115200 baud");
}

void loop() {
  unsigned long now = millis();
  if (now - lastSampleMs >= SAMPLE_INTERVAL_MS) {
    lastSampleMs = now;
    float t = now / 1000.0f;

    // Replace with real sensor readings (e.g. BME280, MPU6050, INA219)
    float tempC = 24.5f + 2.5f * sin(2.0f * PI * 0.5f * t);
    float humPct = 55.0f + 5.0f * cos(2.0f * PI * 0.25f * t);
    int adcRaw = analogRead(A0);

    // Key:Value Format (Recommended for named multi-channel plotting)
    Serial.print("Temp:");
    Serial.print(tempC, 2);
    Serial.print(" Hum:");
    Serial.print(humPct, 2);
    Serial.print(" ADC:");
    Serial.println(adcRaw);
  }
}

To monitor mobile robots, drones, or galvanically isolated high-voltage systems, configure your ESP32 or Nordic nRF52 peripheral with the industry-standard Nordic UART Service (NUS) UUIDs:

// Standard Nordic UART Service (NUS) UUIDs
#define SERVICE_UUID           "6e400001-b5a3-f393-e0a9-e50e24dcca9e"
#define CHARACTERISTIC_UUID_RX "6e400002-b5a3-f393-e0a9-e50e24dcca9e"
#define CHARACTERISTIC_UUID_TX "6e400003-b5a3-f393-e0a9-e50e24dcca9e"

// Transmit newline-terminated string via BLE GATT Notify:
char payload[64];
snprintf(payload, sizeof(payload), "Vbat:%.2f Roll:%.1f\n", vbat, roll);
pTxCharacteristic->setValue((uint8_t*)payload, strlen(payload));
pTxCharacteristic->notify();