Blog del Ing. Alejandro Alomar (sinaptec@alomar.com.ar). En este blog subo algunos de los trabajos que hago como hobby (no profesional), hay temas variados como, impresoras 3d, IOT (internet de las cosas), programación de ESP8266, electrónica, etc.
void setup() { Serial.begin(115200); } void loop() { Serial.println("-250," + String(hallRead()) + ",250"); delay(25); }
void setup() { Serial.begin(115200); /* * Get ADC value for pin * */ //analogRead(36); /* * Set the resolution of analogRead return values. Default is 12 bits (range from 0 to 4096). * If between 9 and 12, it will equal the set hardware resolution, else value will be shifted. * Range is 1 - 16 * * Note: compatibility with Arduino SAM */ //analogReadResolution(12); /* * Sets the sample bits and read resolution * Default is 12bit (0 - 4095) * Range is 9 - 12 * */ analogSetWidth(12); /* * Set number of cycles per sample * Default is 8 and seems to do well * Range is 1 - 255 * */ analogSetCycles(8); /* * Set number of samples in the range. * Default is 1 * Range is 1 - 255 * This setting splits the range into * "samples" pieces, which could look * like the sensitivity has been multiplied * that many times * */ analogSetSamples(1); /* * Set the divider for the ADC clock. * Default is 1 * Range is 1 - 255 * */ analogSetClockDiv(1); /* * Set the attenuation for all channels * Default is 11db * */ analogSetAttenuation(ADC_11db); //ADC_0db, ADC_2_5db, ADC_6db, ADC_11db /* * Set the attenuation for particular pin * Default is 11db * */ analogSetPinAttenuation(36, ADC_0db); //ADC_0db, ADC_2_5db, ADC_6db, ADC_11db /* * Get value for HALL sensor (without LNA) * connected to pins 36(SVP) and 39(SVN) * */ //hallRead(); /* * Non-Blocking API (almost) * * Note: ADC conversion can run only for single pin at a time. * That means that if you want to run ADC on two pins on the same bus, * you need to run them one after another. Probably the best use would be * to start conversion on both buses in parallel. * */ /* * Attach pin to ADC (will also clear any other analog mode that could be on) * */ adcAttachPin(36); /* * Start ADC conversion on attached pin's bus * */ adcStart(36); /* * Check if conversion on the pin's ADC bus is currently running * */ //adcBusy(uint8_t pin); /* * Get the result of the conversion (will wait if it have not finished) * */ //adcEnd(uint8_t pin); /** * When VDD_A is 3.3V: * * - 0dB attenuaton (ADC_ATTEN_DB_0) gives full-scale voltage 1.1V * - 2.5dB attenuation (ADC_ATTEN_DB_2_5) gives full-scale voltage 1.5V * - 6dB attenuation (ADC_ATTEN_DB_6) gives full-scale voltage 2.2V * - 11dB attenuation (ADC_ATTEN_DB_11) gives full-scale voltage 3.9V (see note below) * * @note The full-scale voltage is the voltage corresponding to a maximum reading (depending on ADC1 configured * bit width, this value is: 4095 for 12-bits, 2047 for 11-bits, 1023 for 10-bits, 511 for 9 bits.) * * @note At 11dB attenuation the maximum voltage is limited by VDD_A, not the full scale voltage. */ } void loop() { Serial.println(analogRead(36)); //VP delay(1000); }
void setup() { } void loop() { for (int i = 0; i < 22000; ++i){ dacWrite(25, rawData[i]); delayMicroseconds(38); // ((1/22050)*1000000) - 7 } }
void setup() {
}
void loop() {
for (int deg = 0; deg < 360; deg = deg + 1){
dacWrite(25, int(128 + 127 * (sin(deg*PI/180))));
dacWrite(26, int(128 + 127 * (sin(deg*PI*4/180))));
}
//dacWrite(26, 80);
}
#define LEDC_CHANNEL_0 0 // use first channel of 16 channels (started from zero) #define LEDC_TIMER_8_BIT 8 // use 8 bit precission for LEDC timer #define LEDC_BASE_FREQ 5000 // use 5000 Hz as a LEDC base frequency #define LED_PIN 5 // // Led Verde int brillo = 0; int sensorT0 = 0; int sensorT3 = 0; void setup() { Serial.begin(115200); ledcSetup(LEDC_CHANNEL_0, LEDC_BASE_FREQ, LEDC_TIMER_8_BIT); // Setup timer and attach timer to a led pin ledcAttachPin(LED_PIN, LEDC_CHANNEL_0); pinMode(23, INPUT_PULLUP); // Pulsador pinMode(18, OUTPUT); // Led Rojo } void loop() { sensorT0 = touchRead(T0); sensorT3 = touchRead(T3); if (sensorT0 < 35 and sensorT0 != 0) { brillo = brillo + 5; if (brillo >= 255) { brillo = 255; } } if (sensorT3 < 35 and sensorT3 != 0) { brillo = brillo - 5; if (brillo <= 0) { brillo = 0; } } Serial.println("T3=" + String(sensorT3) + " T0=" + String(sensorT0) + " Brillo=" + String(brillo)); ledcWrite(LEDC_CHANNEL_0, brillo); digitalWrite(18, digitalRead(23)); delay(50); }
