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मोबाइल मिरर / Mobile Mirror

Rohit Sonkamble August 11, 2020

मोबाइल मिरर / Mobile Mirror जयहिंद दोस्तों में आज आपको मोबाइल की स्क्रीन को अपने कंप्यूटर और लैपटॉप के स्क्रीन पर केसे देखे ये बताने वाला हु, वि…

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एक ऐसा इंटरव्यू जो आपको दिलाएगी दो लाख सैलरी।

Rohit Sonkamble August 08, 2020

एक ऐसा इंटरव्यू जो आपको दिलाएगी दो लाख सैलरी। नमस्कार मित्रों, में आज आपको एक इसे Interview के बारे मे…

>> "); //ASCII Art Madness Serial.print("BPM: "); Serial.println(BPM); } else { sendDataToSerial('B',BPM); // send heart rate with a 'B' prefix sendDataToSerial('Q',IBI); // send time between beats with a 'Q' prefix } } void arduinoSerialMonitorVisual(char symbol, int data ) { const int sensorMin = 0; // sensor minimum, discovered through experiment const int sensorMax = 1024; // sensor maximum, discovered through experiment int sensorReading = data; // map the sensor range to a range of 12 options: int range = map(sensorReading, sensorMin, sensorMax, 0, 11); // do something different depending on the // range value: switch (range) { case 0: Serial.println(""); /////ASCII Art Madness break; case 1: Serial.println("---"); break; case 2: Serial.println("------"); break; case 3: Serial.println("---------"); break; case 4: Serial.println("------------"); break; case 5: Serial.println("--------------|-"); break; case 6: Serial.println("--------------|---"); break; case 7: Serial.println("--------------|-------"); break; case 8: Serial.println("--------------|----------"); break; case 9: Serial.println("--------------|----------------"); break; case 10: Serial.println("--------------|-------------------"); break; case 11: Serial.println("--------------|-----------------------"); break; } } void sendDataToSerial(char symbol, int data ) { Serial.print(symbol); Serial.println(data); } ISR(TIMER2_COMPA_vect) //triggered when Timer2 counts to 124 { cli(); // disable interrupts while we do this Signal = analogRead(pulsePin); // read the Pulse Sensor sampleCounter += 2; // keep track of the time in mS with this variable int N = sampleCounter - lastBeatTime; // monitor the time since the last beat to avoid noise // find the peak and trough of the pulse wave if(Signal < thresh && N > (IBI/5)*3) // avoid dichrotic noise by waiting 3/5 of last IBI { if (Signal < T) // T is the trough { T = Signal; // keep track of lowest point in pulse wave } } if(Signal > thresh && Signal > P) { // thresh condition helps avoid noise P = Signal; // P is the peak } // keep track of highest point in pulse wave // NOW IT'S TIME TO LOOK FOR THE HEART BEAT // signal surges up in value every time there is a pulse if (N > 250) { // avoid high frequency noise if ( (Signal > thresh) && (Pulse == false) && (N > (IBI/5)*3) ) { Pulse = true; // set the Pulse flag when we think there is a pulse digitalWrite(blinkPin,HIGH); // turn on pin 13 LED IBI = sampleCounter - lastBeatTime; // measure time between beats in mS lastBeatTime = sampleCounter; // keep track of time for next pulse if(secondBeat) { // if this is the second beat, if secondBeat == TRUE secondBeat = false; // clear secondBeat flag for(int i=0; i<=9; i++) // seed the running total to get a realisitic BPM at startup { rate[i] = IBI; } } if(firstBeat) // if it's the first time we found a beat, if firstBeat == TRUE { firstBeat = false; // clear firstBeat flag secondBeat = true; // set the second beat flag sei(); // enable interrupts again return; // IBI value is unreliable so discard it } // keep a running total of the last 10 IBI values word runningTotal = 0; // clear the runningTotal variable for(int i=0; i<=8; i++) { // shift data in the rate array rate[i] = rate[i+1]; // and drop the oldest IBI value runningTotal += rate[i]; // add up the 9 oldest IBI values } rate[9] = IBI; // add the latest IBI to the rate array runningTotal += rate[9]; // add the latest IBI to runningTotal runningTotal /= 10; // average the last 10 IBI values BPM = 60000/runningTotal; // how many beats can fit into a minute? that's BPM! QS = true; // set Quantified Self flag // QS FLAG IS NOT CLEARED INSIDE THIS ISR } } if (Signal < thresh && Pulse == true) { // when the values are going down, the beat is over digitalWrite(blinkPin,LOW); // turn off pin 13 LED Pulse = false; // reset the Pulse flag so we can do it again amp = P - T; // get amplitude of the pulse wave thresh = amp/2 + T; // set thresh at 50% of the amplitude P = thresh; // reset these for next time T = thresh; } if (N > 2500) { // if 2.5 seconds go by without a beat thresh = 512; // set thresh default P = 512; // set P default T = 512; // set T default lastBeatTime = sampleCounter; // bring the lastBeatTime up to date firstBeat = true; // set these to avoid noise secondBeat = false; // when we get the heartbeat back } sei(); // enable interrupts when youre done! }// end isr

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मोबाइल मिरर / Mobile Mirror

एक ऐसा इंटरव्यू जो आपको दिलाएगी दो लाख सैलरी।

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